8042 lines
		
	
	
		
			190 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			8042 lines
		
	
	
		
			190 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
***************   Case 1   ***************
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drop database if exists delete_db;
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{
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  "drop_database_arg":"tenant_id",
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  "database_name":"delete_db",
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  "if_exist":true,
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  "to_recyclebin":false
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}
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***************   Case 2   ***************
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create database delete_db;
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{
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  "create_database_arg":"database_schema",
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  "database_id":-1,
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  "schema_version":1,
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  "database_name":"delete_db",
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  "replica_num":0,
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  "zone_list": [
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  ],
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  "primary_zone":"",
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  "charset_type":2,
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  "collation_type":"utf8mb4_general_ci",
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  "name_case_mode":-1,
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  "comment":"",
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  "read_only":false,
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  "default_tablegroup_id":-1,
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  "default_tablegroup_name":"",
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  "in_recyclebin":false,
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  "primary_zone_array": [
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  ]
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}
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***************   Case 3   ***************
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use delete_db;
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{
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  "stmt_type":97
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}
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***************   Case 4   ***************
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create table t1(c1 int primary key, c2 int) partition by hash(c1 + 1) partitions 3
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{"ObTableStmt":{"partition_fun_expr":[], "range_values_exprs":[], "list_values_exprs":[], "index_partition_resolve_results":[], "part_type":8}, "stmt_type":20, "create_table_arg":{"if_not_exist":false, "schema":{"simple_table_schema":{"tenant_id":1, "database_id":18446744073709551615, "tablegroup_id":1099511627777, "table_id":18446744073709551615, "table_name":"t1", "replica_num":0, "previous_locality_str":"", "min_partition_id":0, "session_id":0, "index_type":0, "table_type":3, "data_table_id":0, "name_casemode":-1, "schema_version":0, "part_level":1, "part_option":{"part_func_type":0, "part_func_expr":"c1 + 1", "part_num":3, "partition_cnt_within_partition_table":-1, "max_used_part_id":2}, "sub_part_option":{"part_func_type":0, "part_func_expr":"", "part_num":1, "partition_cnt_within_partition_table":-1, "max_used_part_id":-1}, "locality_str":"", "zone_list":[], "primary_zone":"", "part_num":0, "subpart_num":0, "partition_num":3, "subpartition_num":0, "partition_array":[{"BasePartition":{"tenant_id":18446744073709551615, "table_id":18446744073709551615, "part_id":0, "name":"p0", "high_bound_val":, "list_row_values":[], "part_idx":0}, "mapping_pg_part_id":-1}, {"BasePartition":{"tenant_id":18446744073709551615, "table_id":18446744073709551615, "part_id":1, "name":"p1", "high_bound_val":, "list_row_values":[], "part_idx":1}, "mapping_pg_part_id":-1}, {"BasePartition":{"tenant_id":18446744073709551615, "table_id":18446744073709551615, "part_id":2, "name":"p2", "high_bound_val":, "list_row_values":[], "part_idx":2}, "mapping_pg_part_id":-1}], "subpartition_array":null, "index_status":1, "binding":false, "duplicate_scope":0}, "max_used_column_id":17, "max_used_constraint_id":0, "sess_active_time":0, "rowkey_column_num":1, "index_column_num":0, "rowkey_split_pos":0, "block_size":16384, "is_use_bloomfilter":false, "progressive_merge_num":0, "tablet_size":134217728, "pctfree":10, "load_type":0, "index_using_type":0, "def_type":1, "charset_type":2, "collation_type":45, "create_mem_version":0, "index_status":1, "partition_status":0, "code_version":1, "last_modified_frozen_version":0, "comment":"", "pk_comment":"", "create_host":"", "zone_replica_attr_array":[], "region_replica_num_array":[], "tablegroup_name":"", "compress_func_name":"zstd_1.0", "row_store_type":1, "store_format":3, "expire_info":"", "view_schema":{"view_definition":"", "check_option":"none", "is_updatable":"false", "is_materialized":"false"}, "autoinc_column_id":0, "auto_increment":1, "read_only":false, "primary_zone_array":[], "index_tid_array":[], "mv_tid_array":[], "aux_vp_tid_array":[], "base_table_ids":[], "rowkey_info":{"columns":[{"length":0, "column_id":16, "type":{"type":"INT", "collation":"binary", "coercibility":"NUMERIC"}, "order":0, "fulltext_flag":false}], "capacity":1}, "partition_key_info":{"columns":[{"length":0, "column_id":16, "type":{"type":"INT", "collation":"binary", "coercibility":"NUMERIC"}, "order":0, "fulltext_flag":false}], "capacity":1}, "aux_vp_tid_array":[]}, "index_arg_list":[], "constraint_list":[], "db_name":"delete_db", "last_replay_log_id":0, "foreign_key_arg_list":[], "vertical_partition_arg_list":[]}, "index_arg_list":[]}
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***************   Case 5   ***************
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create table t2(c1 int, c2 int, c3 varchar(32), primary key(c2, c3)) partition by key(c2, c3) partitions 3
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{"ObTableStmt":{"partition_fun_expr":[], "range_values_exprs":[], "list_values_exprs":[], "index_partition_resolve_results":[], "part_type":8}, "stmt_type":20, "create_table_arg":{"if_not_exist":false, "schema":{"simple_table_schema":{"tenant_id":1, "database_id":18446744073709551615, "tablegroup_id":1099511627777, "table_id":18446744073709551615, "table_name":"t2", "replica_num":0, "previous_locality_str":"", "min_partition_id":0, "session_id":0, "index_type":0, "table_type":3, "data_table_id":0, "name_casemode":-1, "schema_version":0, "part_level":1, "part_option":{"part_func_type":6, "part_func_expr":"c2, c3", "part_num":3, "partition_cnt_within_partition_table":-1, "max_used_part_id":2}, "sub_part_option":{"part_func_type":0, "part_func_expr":"", "part_num":1, "partition_cnt_within_partition_table":-1, "max_used_part_id":-1}, "locality_str":"", "zone_list":[], "primary_zone":"", "part_num":0, "subpart_num":0, "partition_num":3, "subpartition_num":0, "partition_array":[{"BasePartition":{"tenant_id":18446744073709551615, "table_id":18446744073709551615, "part_id":0, "name":"p0", "high_bound_val":, "list_row_values":[], "part_idx":0}, "mapping_pg_part_id":-1}, {"BasePartition":{"tenant_id":18446744073709551615, "table_id":18446744073709551615, "part_id":1, "name":"p1", "high_bound_val":, "list_row_values":[], "part_idx":1}, "mapping_pg_part_id":-1}, {"BasePartition":{"tenant_id":18446744073709551615, "table_id":18446744073709551615, "part_id":2, "name":"p2", "high_bound_val":, "list_row_values":[], "part_idx":2}, "mapping_pg_part_id":-1}], "subpartition_array":null, "index_status":1, "binding":false, "duplicate_scope":0}, "max_used_column_id":18, "max_used_constraint_id":0, "sess_active_time":0, "rowkey_column_num":2, "index_column_num":0, "rowkey_split_pos":0, "block_size":16384, "is_use_bloomfilter":false, "progressive_merge_num":0, "tablet_size":134217728, "pctfree":10, "load_type":0, "index_using_type":0, "def_type":1, "charset_type":2, "collation_type":45, "create_mem_version":0, "index_status":1, "partition_status":0, "code_version":1, "last_modified_frozen_version":0, "comment":"", "pk_comment":"", "create_host":"", "zone_replica_attr_array":[], "region_replica_num_array":[], "tablegroup_name":"", "compress_func_name":"zstd_1.0", "row_store_type":1, "store_format":3, "expire_info":"", "view_schema":{"view_definition":"", "check_option":"none", "is_updatable":"false", "is_materialized":"false"}, "autoinc_column_id":0, "auto_increment":1, "read_only":false, "primary_zone_array":[], "index_tid_array":[], "mv_tid_array":[], "aux_vp_tid_array":[], "base_table_ids":[], "rowkey_info":{"columns":[{"length":0, "column_id":17, "type":{"type":"INT", "collation":"binary", "coercibility":"NUMERIC"}, "order":0, "fulltext_flag":false}, {"length":32, "column_id":18, "type":{"type":"VARCHAR", "collation":"utf8mb4_general_ci", "coercibility":"INVALID"}, "order":0, "fulltext_flag":false}], "capacity":2}, "partition_key_info":{"columns":[{"length":0, "column_id":17, "type":{"type":"INT", "collation":"binary", "coercibility":"NUMERIC"}, "order":0, "fulltext_flag":false}, {"length":32, "column_id":18, "type":{"type":"VARCHAR", "collation":"utf8mb4_general_ci", "coercibility":"INVALID"}, "order":0, "fulltext_flag":false}], "capacity":2}, "aux_vp_tid_array":[]}, "index_arg_list":[], "constraint_list":[], "db_name":"delete_db", "last_replay_log_id":0, "foreign_key_arg_list":[], "vertical_partition_arg_list":[]}, "index_arg_list":[]}
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***************   Case 6   ***************
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create table test(c1 int , c2 int, c3 varchar(50), c4 varchar(50), c5 int , c6 double, c7 int, primary key(c1, c2, c3))
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{"ObTableStmt":{"partition_fun_expr":[], "range_values_exprs":[], "list_values_exprs":[], "index_partition_resolve_results":[], "part_type":8}, "stmt_type":20, "create_table_arg":{"if_not_exist":false, "schema":{"simple_table_schema":{"tenant_id":1, "database_id":18446744073709551615, "tablegroup_id":1099511627777, "table_id":18446744073709551615, "table_name":"test", "replica_num":0, "previous_locality_str":"", "min_partition_id":0, "session_id":0, "index_type":0, "table_type":3, "data_table_id":0, "name_casemode":-1, "schema_version":0, "part_level":0, "part_option":{"part_func_type":0, "part_func_expr":"", "part_num":1, "partition_cnt_within_partition_table":-1, "max_used_part_id":0}, "sub_part_option":{"part_func_type":0, "part_func_expr":"", "part_num":1, "partition_cnt_within_partition_table":-1, "max_used_part_id":-1}, "locality_str":"", "zone_list":[], "primary_zone":"", "part_num":0, "subpart_num":0, "partition_num":1, "subpartition_num":0, "partition_array":[{"BasePartition":{"tenant_id":18446744073709551615, "table_id":18446744073709551615, "part_id":0, "name":"p0", "high_bound_val":, "list_row_values":[], "part_idx":0}, "mapping_pg_part_id":-1}], "subpartition_array":null, "index_status":1, "binding":false, "duplicate_scope":0}, "max_used_column_id":22, "max_used_constraint_id":0, "sess_active_time":0, "rowkey_column_num":3, "index_column_num":0, "rowkey_split_pos":0, "block_size":16384, "is_use_bloomfilter":false, "progressive_merge_num":0, "tablet_size":134217728, "pctfree":10, "load_type":0, "index_using_type":0, "def_type":1, "charset_type":2, "collation_type":45, "create_mem_version":0, "index_status":1, "partition_status":0, "code_version":1, "last_modified_frozen_version":0, "comment":"", "pk_comment":"", "create_host":"", "zone_replica_attr_array":[], "region_replica_num_array":[], "tablegroup_name":"", "compress_func_name":"zstd_1.0", "row_store_type":1, "store_format":3, "expire_info":"", "view_schema":{"view_definition":"", "check_option":"none", "is_updatable":"false", "is_materialized":"false"}, "autoinc_column_id":0, "auto_increment":1, "read_only":false, "primary_zone_array":[], "index_tid_array":[], "mv_tid_array":[], "aux_vp_tid_array":[], "base_table_ids":[], "rowkey_info":{"columns":[{"length":0, "column_id":16, "type":{"type":"INT", "collation":"binary", "coercibility":"NUMERIC"}, "order":0, "fulltext_flag":false}, {"length":0, "column_id":17, "type":{"type":"INT", "collation":"binary", "coercibility":"NUMERIC"}, "order":0, "fulltext_flag":false}, {"length":50, "column_id":18, "type":{"type":"VARCHAR", "collation":"utf8mb4_general_ci", "coercibility":"INVALID"}, "order":0, "fulltext_flag":false}], "capacity":3}, "partition_key_info":{"columns":null, "capacity":0}, "aux_vp_tid_array":[]}, "index_arg_list":[], "constraint_list":[], "db_name":"delete_db", "last_replay_log_id":0, "foreign_key_arg_list":[], "vertical_partition_arg_list":[]}, "index_arg_list":[]}
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***************   Case 7   ***************
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create index test_indx on test(c4, c5)
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{
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  "stmt_type":23,
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  "create_index_arg": {
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    "index_arg": {
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      "tenant_id":1,
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      "session_id":-1,
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      "index_name":"test_indx",
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      "table_name":"test",
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      "database_name":"delete_db",
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      "index_action_type":2
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    },
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    "index_type":3,
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    "index_columns": [
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       {
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        "column_name":"c4",
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        "prefix_len":0,
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        "order_type":0,
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        "column_id":-1
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      },
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       {
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        "column_name":"c5",
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        "prefix_len":0,
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        "order_type":0,
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        "column_id":-1
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      }
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    ],
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    "fulltext_columns": [
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    ],
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    "store_columns": [
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    ],
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    "index_option": {
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      "block_size":16384,
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      "replica_num":0,
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      "index_status":1,
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      "use_bloom_filter":false,
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      "compress_method":"none",
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      "comment":"",
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      "tablegroup_name":"",
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      "progressive_merge_num":0,
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      "primary_zone":"",
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      "parser_name":"TAOBAO_CHN",
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      "index_attributes_set":0,
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      "row_store_type":3,
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      "store_format":0
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    },
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    "index_using_type":0,
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    "data_table_id":-1,
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    "index_table_id":-1,
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    "if_not_exist":false,
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    "index_schema": {
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      "simple_table_schema": {
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        "tenant_id":1,
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        "database_id":-1,
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        "tablegroup_id":-1,
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        "table_id":-1,
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        "table_name":"",
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        "replica_num":0,
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        "previous_locality_str":"",
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        "min_partition_id":0,
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        "session_id":0,
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        "index_type":3,
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        "table_type":5,
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        "data_table_id":0,
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        "name_casemode":-1,
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        "schema_version":0,
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        "part_level":0,
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        "part_option": {
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          "part_func_type":0,
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          "part_func_expr":"",
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          "part_num":1,
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          "partition_cnt_within_partition_table":-1,
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          "max_used_part_id":-1
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        },
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        "sub_part_option": {
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          "part_func_type":0,
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          "part_func_expr":"",
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          "part_num":1,
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          "partition_cnt_within_partition_table":-1,
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          "max_used_part_id":-1
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        },
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        "locality_str":"",
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        "zone_list": [
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        ],
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        "primary_zone":"",
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        "part_num":0,
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        "subpart_num":0,
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        "partition_num":0,
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        "subpartition_num":0,
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        "partition_array":null,
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        "subpartition_array":null,
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        "index_status":1,
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        "binding":false,
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        "duplicate_scope":0
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      },
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      "max_used_column_id":20,
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      "max_used_constraint_id":0,
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						|
      "sess_active_time":0,
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						|
      "rowkey_column_num":5,
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						|
      "index_column_num":2,
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						|
      "rowkey_split_pos":0,
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						|
      "block_size":16384,
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      "is_use_bloomfilter":false,
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						|
      "progressive_merge_num":0,
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						|
      "tablet_size":134217728,
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      "pctfree":10,
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						|
      "load_type":0,
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						|
      "index_using_type":0,
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						|
      "def_type":1,
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						|
      "charset_type":2,
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						|
      "collation_type":45,
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						|
      "create_mem_version":0,
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						|
      "index_status":1,
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						|
      "partition_status":0,
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						|
      "code_version":1,
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      "last_modified_frozen_version":0,
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						|
      "comment":"",
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						|
      "pk_comment":"",
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						|
      "create_host":"",
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      "zone_replica_attr_array": [
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      ],
 | 
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      "region_replica_num_array": [
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      ],
 | 
						|
      "tablegroup_name":"",
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						|
      "compress_func_name":"",
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						|
      "row_store_type":1,
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						|
      "store_format":0,
 | 
						|
      "expire_info":"",
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      "view_schema": {
 | 
						|
        "view_definition":"",
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        "check_option":"none",
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        "is_updatable":"false",
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        "is_materialized":"false"
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      },
 | 
						|
      "autoinc_column_id":0,
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      "auto_increment":1,
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						|
      "read_only":false,
 | 
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      "primary_zone_array": [
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      ],
 | 
						|
      "index_tid_array": [
 | 
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      ],
 | 
						|
      "mv_tid_array": [
 | 
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      ],
 | 
						|
      "aux_vp_tid_array": [
 | 
						|
      ],
 | 
						|
      "base_table_ids": [
 | 
						|
      ],
 | 
						|
      "rowkey_info": {
 | 
						|
        "columns": [
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						|
           {
 | 
						|
            "length":50,
 | 
						|
            "column_id":19,
 | 
						|
            "type": {
 | 
						|
              "type":"VARCHAR",
 | 
						|
              "collation":"utf8mb4_general_ci",
 | 
						|
              "coercibility":"INVALID"
 | 
						|
            },
 | 
						|
            "order":0,
 | 
						|
            "fulltext_flag":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "length":0,
 | 
						|
            "column_id":20,
 | 
						|
            "type": {
 | 
						|
              "type":"INT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "order":0,
 | 
						|
            "fulltext_flag":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "length":0,
 | 
						|
            "column_id":16,
 | 
						|
            "type": {
 | 
						|
              "type":"INT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "order":0,
 | 
						|
            "fulltext_flag":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "length":0,
 | 
						|
            "column_id":17,
 | 
						|
            "type": {
 | 
						|
              "type":"INT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "order":0,
 | 
						|
            "fulltext_flag":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "length":50,
 | 
						|
            "column_id":18,
 | 
						|
            "type": {
 | 
						|
              "type":"VARCHAR",
 | 
						|
              "collation":"utf8mb4_general_ci",
 | 
						|
              "coercibility":"INVALID"
 | 
						|
            },
 | 
						|
            "order":0,
 | 
						|
            "fulltext_flag":false
 | 
						|
          }
 | 
						|
        ],
 | 
						|
        "capacity":5
 | 
						|
      },
 | 
						|
      "partition_key_info": {
 | 
						|
        "columns":null,
 | 
						|
        "capacity":0
 | 
						|
      },
 | 
						|
      "aux_vp_tid_array": [
 | 
						|
      ]
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 8   ***************
 | 
						|
delete from t1 where c2 > 10 order by c1 limit 0, 1
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "table_name":"t1",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677877,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "index_tid":1099511677877,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_OP_ADD",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":12,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":1,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677877,
 | 
						|
            "column_id":16,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t1",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c1",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":2,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_INT",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"BIGINT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":1,
 | 
						|
                "precision":1,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":1,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_CONST",
 | 
						|
              "CNT_CONST"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
            ],
 | 
						|
            "value": {
 | 
						|
              "BIGINT":1
 | 
						|
            }
 | 
						|
          }
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":2,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":2,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
     {
 | 
						|
      "item_type":"T_OP_GT",
 | 
						|
      "result_type": {
 | 
						|
        "meta": {
 | 
						|
          "type":"INT",
 | 
						|
          "collation":"binary",
 | 
						|
          "coercibility":"NUMERIC"
 | 
						|
        },
 | 
						|
        "accuracy": {
 | 
						|
          "length":-1,
 | 
						|
          "precision":1,
 | 
						|
          "scale":0
 | 
						|
        },
 | 
						|
        "flag":0,
 | 
						|
        "calc_type": {
 | 
						|
          "type":"DECIMAL",
 | 
						|
          "collation":"binary",
 | 
						|
          "coercibility":"NUMERIC"
 | 
						|
        }
 | 
						|
      },
 | 
						|
      "expr_info": [
 | 
						|
        "CNT_CONST",
 | 
						|
        "CNT_COLUMN",
 | 
						|
        "CNT_STATIC_PARAM",
 | 
						|
        "IS_RANGE_COND"
 | 
						|
      ],
 | 
						|
      "rel_id": [
 | 
						|
        1
 | 
						|
      ],
 | 
						|
      "expr_levels": [
 | 
						|
        0
 | 
						|
      ],
 | 
						|
      "children": [
 | 
						|
         {
 | 
						|
          "item_type":"T_REF_COLUMN",
 | 
						|
          "result_type": {
 | 
						|
            "meta": {
 | 
						|
              "type":"INT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "accuracy": {
 | 
						|
              "length":-1,
 | 
						|
              "precision":11,
 | 
						|
              "scale":0
 | 
						|
            },
 | 
						|
            "flag":0,
 | 
						|
            "calc_type": {
 | 
						|
              "type":"NULL",
 | 
						|
              "collation":"invalid_type",
 | 
						|
              "coercibility":"INVALID"
 | 
						|
            }
 | 
						|
          },
 | 
						|
          "expr_info": [
 | 
						|
            "IS_COLUMN",
 | 
						|
            "CNT_COLUMN"
 | 
						|
          ],
 | 
						|
          "rel_id": [
 | 
						|
            1
 | 
						|
          ],
 | 
						|
          "table_id":1099511677877,
 | 
						|
          "column_id":17,
 | 
						|
          "database_name":"delete_db",
 | 
						|
          "table_name":"t1",
 | 
						|
          "synonym_name":"",
 | 
						|
          "column_name":"c2",
 | 
						|
          "expr_level":0,
 | 
						|
          "expr_levels": [
 | 
						|
            0
 | 
						|
          ],
 | 
						|
          "column_flags":0,
 | 
						|
          "is_explicited_referece":true,
 | 
						|
          "explicited_ref_count":2,
 | 
						|
          "enum_set_values": [
 | 
						|
          ],
 | 
						|
          "is_lob_column":false
 | 
						|
        },
 | 
						|
         {
 | 
						|
          "item_type":"T_QUESTIONMARK",
 | 
						|
          "result_type": {
 | 
						|
            "meta": {
 | 
						|
              "type":"BIGINT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "accuracy": {
 | 
						|
              "length":2,
 | 
						|
              "precision":2,
 | 
						|
              "scale":0
 | 
						|
            },
 | 
						|
            "flag":1,
 | 
						|
            "calc_type": {
 | 
						|
              "type":"NULL",
 | 
						|
              "collation":"invalid_type",
 | 
						|
              "coercibility":"INVALID"
 | 
						|
            }
 | 
						|
          },
 | 
						|
          "expr_info": [
 | 
						|
            "IS_CONST",
 | 
						|
            "IS_STATIC_PARAM",
 | 
						|
            "CNT_CONST",
 | 
						|
            "CNT_STATIC_PARAM"
 | 
						|
          ],
 | 
						|
          "rel_id": [
 | 
						|
          ],
 | 
						|
          "value": {
 | 
						|
            "UNKNOWN":0
 | 
						|
          }
 | 
						|
        }
 | 
						|
      ]
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
     {
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":2,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      },
 | 
						|
      "ascending":"ASC"
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "limit": {
 | 
						|
    "item_type":"T_INT",
 | 
						|
    "result_type": {
 | 
						|
      "meta": {
 | 
						|
        "type":"BIGINT",
 | 
						|
        "collation":"binary",
 | 
						|
        "coercibility":"NUMERIC"
 | 
						|
      },
 | 
						|
      "accuracy": {
 | 
						|
        "length":1,
 | 
						|
        "precision":1,
 | 
						|
        "scale":0
 | 
						|
      },
 | 
						|
      "flag":1,
 | 
						|
      "calc_type": {
 | 
						|
        "type":"NULL",
 | 
						|
        "collation":"invalid_type",
 | 
						|
        "coercibility":"INVALID"
 | 
						|
      }
 | 
						|
    },
 | 
						|
    "expr_info": [
 | 
						|
      "IS_CONST",
 | 
						|
      "CNT_CONST"
 | 
						|
    ],
 | 
						|
    "rel_id": [
 | 
						|
    ],
 | 
						|
    "value": {
 | 
						|
      "BIGINT":1
 | 
						|
    }
 | 
						|
  },
 | 
						|
  "offset": {
 | 
						|
    "item_type":"T_QUESTIONMARK",
 | 
						|
    "result_type": {
 | 
						|
      "meta": {
 | 
						|
        "type":"BIGINT",
 | 
						|
        "collation":"binary",
 | 
						|
        "coercibility":"NUMERIC"
 | 
						|
      },
 | 
						|
      "accuracy": {
 | 
						|
        "length":1,
 | 
						|
        "precision":1,
 | 
						|
        "scale":0
 | 
						|
      },
 | 
						|
      "flag":1,
 | 
						|
      "calc_type": {
 | 
						|
        "type":"NULL",
 | 
						|
        "collation":"invalid_type",
 | 
						|
        "coercibility":"INVALID"
 | 
						|
      }
 | 
						|
    },
 | 
						|
    "expr_info": [
 | 
						|
      "IS_CONST",
 | 
						|
      "IS_STATIC_PARAM",
 | 
						|
      "CNT_CONST",
 | 
						|
      "CNT_STATIC_PARAM"
 | 
						|
    ],
 | 
						|
    "rel_id": [
 | 
						|
    ],
 | 
						|
    "value": {
 | 
						|
      "UNKNOWN":1
 | 
						|
    }
 | 
						|
  },
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":2,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 9   ***************
 | 
						|
delete from t1 where c1 = 1
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "table_name":"t1",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677877,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "index_tid":1099511677877,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_OP_ADD",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":12,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":1,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677877,
 | 
						|
            "column_id":16,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t1",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c1",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":2,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_INT",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"BIGINT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":1,
 | 
						|
                "precision":1,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":1,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_CONST",
 | 
						|
              "CNT_CONST"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
            ],
 | 
						|
            "value": {
 | 
						|
              "BIGINT":1
 | 
						|
            }
 | 
						|
          }
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":2,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
     {
 | 
						|
      "item_type":"T_OP_EQ",
 | 
						|
      "result_type": {
 | 
						|
        "meta": {
 | 
						|
          "type":"INT",
 | 
						|
          "collation":"binary",
 | 
						|
          "coercibility":"NUMERIC"
 | 
						|
        },
 | 
						|
        "accuracy": {
 | 
						|
          "length":-1,
 | 
						|
          "precision":1,
 | 
						|
          "scale":0
 | 
						|
        },
 | 
						|
        "flag":1,
 | 
						|
        "calc_type": {
 | 
						|
          "type":"DECIMAL",
 | 
						|
          "collation":"binary",
 | 
						|
          "coercibility":"NUMERIC"
 | 
						|
        }
 | 
						|
      },
 | 
						|
      "expr_info": [
 | 
						|
        "CNT_CONST",
 | 
						|
        "CNT_COLUMN",
 | 
						|
        "CNT_STATIC_PARAM",
 | 
						|
        "IS_SIMPLE_COND"
 | 
						|
      ],
 | 
						|
      "rel_id": [
 | 
						|
        1
 | 
						|
      ],
 | 
						|
      "expr_levels": [
 | 
						|
        0
 | 
						|
      ],
 | 
						|
      "children": [
 | 
						|
         {
 | 
						|
          "item_type":"T_REF_COLUMN",
 | 
						|
          "result_type": {
 | 
						|
            "meta": {
 | 
						|
              "type":"INT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "accuracy": {
 | 
						|
              "length":-1,
 | 
						|
              "precision":11,
 | 
						|
              "scale":0
 | 
						|
            },
 | 
						|
            "flag":16387,
 | 
						|
            "calc_type": {
 | 
						|
              "type":"NULL",
 | 
						|
              "collation":"invalid_type",
 | 
						|
              "coercibility":"INVALID"
 | 
						|
            }
 | 
						|
          },
 | 
						|
          "expr_info": [
 | 
						|
            "IS_COLUMN",
 | 
						|
            "CNT_COLUMN"
 | 
						|
          ],
 | 
						|
          "rel_id": [
 | 
						|
            1
 | 
						|
          ],
 | 
						|
          "table_id":1099511677877,
 | 
						|
          "column_id":16,
 | 
						|
          "database_name":"delete_db",
 | 
						|
          "table_name":"t1",
 | 
						|
          "synonym_name":"",
 | 
						|
          "column_name":"c1",
 | 
						|
          "expr_level":0,
 | 
						|
          "expr_levels": [
 | 
						|
            0
 | 
						|
          ],
 | 
						|
          "column_flags":17179869184,
 | 
						|
          "is_explicited_referece":true,
 | 
						|
          "explicited_ref_count":2,
 | 
						|
          "enum_set_values": [
 | 
						|
          ],
 | 
						|
          "is_lob_column":false
 | 
						|
        },
 | 
						|
         {
 | 
						|
          "item_type":"T_QUESTIONMARK",
 | 
						|
          "result_type": {
 | 
						|
            "meta": {
 | 
						|
              "type":"BIGINT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "accuracy": {
 | 
						|
              "length":1,
 | 
						|
              "precision":1,
 | 
						|
              "scale":0
 | 
						|
            },
 | 
						|
            "flag":1,
 | 
						|
            "calc_type": {
 | 
						|
              "type":"NULL",
 | 
						|
              "collation":"invalid_type",
 | 
						|
              "coercibility":"INVALID"
 | 
						|
            }
 | 
						|
          },
 | 
						|
          "expr_info": [
 | 
						|
            "IS_CONST",
 | 
						|
            "IS_STATIC_PARAM",
 | 
						|
            "CNT_CONST",
 | 
						|
            "CNT_STATIC_PARAM"
 | 
						|
          ],
 | 
						|
          "rel_id": [
 | 
						|
          ],
 | 
						|
          "value": {
 | 
						|
            "UNKNOWN":0
 | 
						|
          }
 | 
						|
        }
 | 
						|
      ]
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
  ],
 | 
						|
  "limit":null,
 | 
						|
  "offset":null,
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":1,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 10   ***************
 | 
						|
delete from t1 partition(p0) where c1 = 1
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "table_name":"t1",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677877,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "index_tid":1099511677877,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_OP_ADD",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":12,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":1,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677877,
 | 
						|
            "column_id":16,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t1",
 | 
						|
            "synonym_name":"",
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						|
            "column_name":"c1",
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						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
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						|
              0
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						|
            ],
 | 
						|
            "column_flags":17179869184,
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						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":2,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_INT",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"BIGINT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":1,
 | 
						|
                "precision":1,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":1,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_CONST",
 | 
						|
              "CNT_CONST"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
            ],
 | 
						|
            "value": {
 | 
						|
              "BIGINT":1
 | 
						|
            }
 | 
						|
          }
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":2,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
     {
 | 
						|
      "item_type":"T_OP_EQ",
 | 
						|
      "result_type": {
 | 
						|
        "meta": {
 | 
						|
          "type":"INT",
 | 
						|
          "collation":"binary",
 | 
						|
          "coercibility":"NUMERIC"
 | 
						|
        },
 | 
						|
        "accuracy": {
 | 
						|
          "length":-1,
 | 
						|
          "precision":1,
 | 
						|
          "scale":0
 | 
						|
        },
 | 
						|
        "flag":1,
 | 
						|
        "calc_type": {
 | 
						|
          "type":"DECIMAL",
 | 
						|
          "collation":"binary",
 | 
						|
          "coercibility":"NUMERIC"
 | 
						|
        }
 | 
						|
      },
 | 
						|
      "expr_info": [
 | 
						|
        "CNT_CONST",
 | 
						|
        "CNT_COLUMN",
 | 
						|
        "CNT_STATIC_PARAM",
 | 
						|
        "IS_SIMPLE_COND"
 | 
						|
      ],
 | 
						|
      "rel_id": [
 | 
						|
        1
 | 
						|
      ],
 | 
						|
      "expr_levels": [
 | 
						|
        0
 | 
						|
      ],
 | 
						|
      "children": [
 | 
						|
         {
 | 
						|
          "item_type":"T_REF_COLUMN",
 | 
						|
          "result_type": {
 | 
						|
            "meta": {
 | 
						|
              "type":"INT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "accuracy": {
 | 
						|
              "length":-1,
 | 
						|
              "precision":11,
 | 
						|
              "scale":0
 | 
						|
            },
 | 
						|
            "flag":16387,
 | 
						|
            "calc_type": {
 | 
						|
              "type":"NULL",
 | 
						|
              "collation":"invalid_type",
 | 
						|
              "coercibility":"INVALID"
 | 
						|
            }
 | 
						|
          },
 | 
						|
          "expr_info": [
 | 
						|
            "IS_COLUMN",
 | 
						|
            "CNT_COLUMN"
 | 
						|
          ],
 | 
						|
          "rel_id": [
 | 
						|
            1
 | 
						|
          ],
 | 
						|
          "table_id":1099511677877,
 | 
						|
          "column_id":16,
 | 
						|
          "database_name":"delete_db",
 | 
						|
          "table_name":"t1",
 | 
						|
          "synonym_name":"",
 | 
						|
          "column_name":"c1",
 | 
						|
          "expr_level":0,
 | 
						|
          "expr_levels": [
 | 
						|
            0
 | 
						|
          ],
 | 
						|
          "column_flags":17179869184,
 | 
						|
          "is_explicited_referece":true,
 | 
						|
          "explicited_ref_count":2,
 | 
						|
          "enum_set_values": [
 | 
						|
          ],
 | 
						|
          "is_lob_column":false
 | 
						|
        },
 | 
						|
         {
 | 
						|
          "item_type":"T_QUESTIONMARK",
 | 
						|
          "result_type": {
 | 
						|
            "meta": {
 | 
						|
              "type":"BIGINT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "accuracy": {
 | 
						|
              "length":1,
 | 
						|
              "precision":1,
 | 
						|
              "scale":0
 | 
						|
            },
 | 
						|
            "flag":1,
 | 
						|
            "calc_type": {
 | 
						|
              "type":"NULL",
 | 
						|
              "collation":"invalid_type",
 | 
						|
              "coercibility":"INVALID"
 | 
						|
            }
 | 
						|
          },
 | 
						|
          "expr_info": [
 | 
						|
            "IS_CONST",
 | 
						|
            "IS_STATIC_PARAM",
 | 
						|
            "CNT_CONST",
 | 
						|
            "CNT_STATIC_PARAM"
 | 
						|
          ],
 | 
						|
          "rel_id": [
 | 
						|
          ],
 | 
						|
          "value": {
 | 
						|
            "UNKNOWN":0
 | 
						|
          }
 | 
						|
        }
 | 
						|
      ]
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
  ],
 | 
						|
  "limit":null,
 | 
						|
  "offset":null,
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
       {
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "part_ids": [
 | 
						|
          0
 | 
						|
        ]
 | 
						|
      }
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":1,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 11   ***************
 | 
						|
delete from t1 where 2 = 1
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "table_name":"t1",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677877,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "index_tid":1099511677877,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_OP_ADD",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":12,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":1,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677877,
 | 
						|
            "column_id":16,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t1",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c1",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":1,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_INT",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"BIGINT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":1,
 | 
						|
                "precision":1,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":1,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_CONST",
 | 
						|
              "CNT_CONST"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
            ],
 | 
						|
            "value": {
 | 
						|
              "BIGINT":1
 | 
						|
            }
 | 
						|
          }
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
     {
 | 
						|
      "item_type":"T_QUESTIONMARK",
 | 
						|
      "result_type": {
 | 
						|
        "meta": {
 | 
						|
          "type":"INT",
 | 
						|
          "collation":"binary",
 | 
						|
          "coercibility":"NUMERIC"
 | 
						|
        },
 | 
						|
        "accuracy": {
 | 
						|
          "length":-1,
 | 
						|
          "precision":1,
 | 
						|
          "scale":0
 | 
						|
        },
 | 
						|
        "flag":1,
 | 
						|
        "calc_type": {
 | 
						|
          "type":"BIGINT",
 | 
						|
          "collation":"binary",
 | 
						|
          "coercibility":"NUMERIC"
 | 
						|
        }
 | 
						|
      },
 | 
						|
      "expr_info": [
 | 
						|
        "IS_CONST",
 | 
						|
        "IS_STATIC_PARAM",
 | 
						|
        "CNT_CONST",
 | 
						|
        "CNT_STATIC_PARAM",
 | 
						|
        "IS_DYNAMIC_PARAM"
 | 
						|
      ],
 | 
						|
      "rel_id": [
 | 
						|
      ],
 | 
						|
      "value": {
 | 
						|
        "UNKNOWN":2
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
  ],
 | 
						|
  "limit":null,
 | 
						|
  "offset":null,
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":3,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
       {
 | 
						|
        "expression": {
 | 
						|
          "item_type":"T_OP_EQ",
 | 
						|
          "result_type": {
 | 
						|
            "meta": {
 | 
						|
              "type":"INT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "accuracy": {
 | 
						|
              "length":-1,
 | 
						|
              "precision":1,
 | 
						|
              "scale":0
 | 
						|
            },
 | 
						|
            "flag":1,
 | 
						|
            "calc_type": {
 | 
						|
              "type":"BIGINT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            }
 | 
						|
          },
 | 
						|
          "expr_info": [
 | 
						|
            "IS_CALCULABLE_EXPR",
 | 
						|
            "IS_CONST_EXPR",
 | 
						|
            "CNT_CONST",
 | 
						|
            "CNT_STATIC_PARAM",
 | 
						|
            "CNT_CALCULABLE_EXPR"
 | 
						|
          ],
 | 
						|
          "rel_id": [
 | 
						|
          ],
 | 
						|
          "expr_levels": [
 | 
						|
          ],
 | 
						|
          "children": [
 | 
						|
             {
 | 
						|
              "item_type":"T_QUESTIONMARK",
 | 
						|
              "result_type": {
 | 
						|
                "meta": {
 | 
						|
                  "type":"BIGINT",
 | 
						|
                  "collation":"binary",
 | 
						|
                  "coercibility":"NUMERIC"
 | 
						|
                },
 | 
						|
                "accuracy": {
 | 
						|
                  "length":1,
 | 
						|
                  "precision":1,
 | 
						|
                  "scale":0
 | 
						|
                },
 | 
						|
                "flag":1,
 | 
						|
                "calc_type": {
 | 
						|
                  "type":"NULL",
 | 
						|
                  "collation":"invalid_type",
 | 
						|
                  "coercibility":"INVALID"
 | 
						|
                }
 | 
						|
              },
 | 
						|
              "expr_info": [
 | 
						|
                "IS_CONST",
 | 
						|
                "IS_STATIC_PARAM",
 | 
						|
                "CNT_CONST",
 | 
						|
                "CNT_STATIC_PARAM"
 | 
						|
              ],
 | 
						|
              "rel_id": [
 | 
						|
              ],
 | 
						|
              "value": {
 | 
						|
                "UNKNOWN":0
 | 
						|
              }
 | 
						|
            },
 | 
						|
             {
 | 
						|
              "item_type":"T_QUESTIONMARK",
 | 
						|
              "result_type": {
 | 
						|
                "meta": {
 | 
						|
                  "type":"BIGINT",
 | 
						|
                  "collation":"binary",
 | 
						|
                  "coercibility":"NUMERIC"
 | 
						|
                },
 | 
						|
                "accuracy": {
 | 
						|
                  "length":1,
 | 
						|
                  "precision":1,
 | 
						|
                  "scale":0
 | 
						|
                },
 | 
						|
                "flag":1,
 | 
						|
                "calc_type": {
 | 
						|
                  "type":"NULL",
 | 
						|
                  "collation":"invalid_type",
 | 
						|
                  "coercibility":"INVALID"
 | 
						|
                }
 | 
						|
              },
 | 
						|
              "expr_info": [
 | 
						|
                "IS_CONST",
 | 
						|
                "IS_STATIC_PARAM",
 | 
						|
                "CNT_CONST",
 | 
						|
                "CNT_STATIC_PARAM"
 | 
						|
              ],
 | 
						|
              "rel_id": [
 | 
						|
              ],
 | 
						|
              "value": {
 | 
						|
                "UNKNOWN":1
 | 
						|
              }
 | 
						|
            }
 | 
						|
          ]
 | 
						|
        },
 | 
						|
        "idx":2
 | 
						|
      }
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 12   ***************
 | 
						|
delete from t1 where c1 = 0
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "table_name":"t1",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677877,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "index_tid":1099511677877,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_OP_ADD",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":12,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":1,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677877,
 | 
						|
            "column_id":16,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t1",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c1",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":2,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_INT",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"BIGINT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":1,
 | 
						|
                "precision":1,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":1,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_CONST",
 | 
						|
              "CNT_CONST"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
            ],
 | 
						|
            "value": {
 | 
						|
              "BIGINT":1
 | 
						|
            }
 | 
						|
          }
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":2,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
     {
 | 
						|
      "item_type":"T_OP_EQ",
 | 
						|
      "result_type": {
 | 
						|
        "meta": {
 | 
						|
          "type":"INT",
 | 
						|
          "collation":"binary",
 | 
						|
          "coercibility":"NUMERIC"
 | 
						|
        },
 | 
						|
        "accuracy": {
 | 
						|
          "length":-1,
 | 
						|
          "precision":1,
 | 
						|
          "scale":0
 | 
						|
        },
 | 
						|
        "flag":1,
 | 
						|
        "calc_type": {
 | 
						|
          "type":"DECIMAL",
 | 
						|
          "collation":"binary",
 | 
						|
          "coercibility":"NUMERIC"
 | 
						|
        }
 | 
						|
      },
 | 
						|
      "expr_info": [
 | 
						|
        "CNT_CONST",
 | 
						|
        "CNT_COLUMN",
 | 
						|
        "CNT_STATIC_PARAM",
 | 
						|
        "IS_SIMPLE_COND"
 | 
						|
      ],
 | 
						|
      "rel_id": [
 | 
						|
        1
 | 
						|
      ],
 | 
						|
      "expr_levels": [
 | 
						|
        0
 | 
						|
      ],
 | 
						|
      "children": [
 | 
						|
         {
 | 
						|
          "item_type":"T_REF_COLUMN",
 | 
						|
          "result_type": {
 | 
						|
            "meta": {
 | 
						|
              "type":"INT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "accuracy": {
 | 
						|
              "length":-1,
 | 
						|
              "precision":11,
 | 
						|
              "scale":0
 | 
						|
            },
 | 
						|
            "flag":16387,
 | 
						|
            "calc_type": {
 | 
						|
              "type":"NULL",
 | 
						|
              "collation":"invalid_type",
 | 
						|
              "coercibility":"INVALID"
 | 
						|
            }
 | 
						|
          },
 | 
						|
          "expr_info": [
 | 
						|
            "IS_COLUMN",
 | 
						|
            "CNT_COLUMN"
 | 
						|
          ],
 | 
						|
          "rel_id": [
 | 
						|
            1
 | 
						|
          ],
 | 
						|
          "table_id":1099511677877,
 | 
						|
          "column_id":16,
 | 
						|
          "database_name":"delete_db",
 | 
						|
          "table_name":"t1",
 | 
						|
          "synonym_name":"",
 | 
						|
          "column_name":"c1",
 | 
						|
          "expr_level":0,
 | 
						|
          "expr_levels": [
 | 
						|
            0
 | 
						|
          ],
 | 
						|
          "column_flags":17179869184,
 | 
						|
          "is_explicited_referece":true,
 | 
						|
          "explicited_ref_count":2,
 | 
						|
          "enum_set_values": [
 | 
						|
          ],
 | 
						|
          "is_lob_column":false
 | 
						|
        },
 | 
						|
         {
 | 
						|
          "item_type":"T_QUESTIONMARK",
 | 
						|
          "result_type": {
 | 
						|
            "meta": {
 | 
						|
              "type":"BIGINT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "accuracy": {
 | 
						|
              "length":1,
 | 
						|
              "precision":1,
 | 
						|
              "scale":0
 | 
						|
            },
 | 
						|
            "flag":1,
 | 
						|
            "calc_type": {
 | 
						|
              "type":"NULL",
 | 
						|
              "collation":"invalid_type",
 | 
						|
              "coercibility":"INVALID"
 | 
						|
            }
 | 
						|
          },
 | 
						|
          "expr_info": [
 | 
						|
            "IS_CONST",
 | 
						|
            "IS_STATIC_PARAM",
 | 
						|
            "CNT_CONST",
 | 
						|
            "CNT_STATIC_PARAM"
 | 
						|
          ],
 | 
						|
          "rel_id": [
 | 
						|
          ],
 | 
						|
          "value": {
 | 
						|
            "UNKNOWN":0
 | 
						|
          }
 | 
						|
        }
 | 
						|
      ]
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
  ],
 | 
						|
  "limit":null,
 | 
						|
  "offset":null,
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":1,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 13   ***************
 | 
						|
delete from t1 where 1 = 1
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "table_name":"t1",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677877,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "index_tid":1099511677877,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_OP_ADD",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":12,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":1,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677877,
 | 
						|
            "column_id":16,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t1",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c1",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":1,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_INT",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"BIGINT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":1,
 | 
						|
                "precision":1,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":1,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_CONST",
 | 
						|
              "CNT_CONST"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
            ],
 | 
						|
            "value": {
 | 
						|
              "BIGINT":1
 | 
						|
            }
 | 
						|
          }
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
     {
 | 
						|
      "item_type":"T_QUESTIONMARK",
 | 
						|
      "result_type": {
 | 
						|
        "meta": {
 | 
						|
          "type":"INT",
 | 
						|
          "collation":"binary",
 | 
						|
          "coercibility":"NUMERIC"
 | 
						|
        },
 | 
						|
        "accuracy": {
 | 
						|
          "length":-1,
 | 
						|
          "precision":1,
 | 
						|
          "scale":0
 | 
						|
        },
 | 
						|
        "flag":1,
 | 
						|
        "calc_type": {
 | 
						|
          "type":"BIGINT",
 | 
						|
          "collation":"binary",
 | 
						|
          "coercibility":"NUMERIC"
 | 
						|
        }
 | 
						|
      },
 | 
						|
      "expr_info": [
 | 
						|
        "IS_CONST",
 | 
						|
        "IS_STATIC_PARAM",
 | 
						|
        "CNT_CONST",
 | 
						|
        "CNT_STATIC_PARAM",
 | 
						|
        "IS_DYNAMIC_PARAM"
 | 
						|
      ],
 | 
						|
      "rel_id": [
 | 
						|
      ],
 | 
						|
      "value": {
 | 
						|
        "UNKNOWN":2
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
  ],
 | 
						|
  "limit":null,
 | 
						|
  "offset":null,
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":3,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
       {
 | 
						|
        "expression": {
 | 
						|
          "item_type":"T_OP_EQ",
 | 
						|
          "result_type": {
 | 
						|
            "meta": {
 | 
						|
              "type":"INT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "accuracy": {
 | 
						|
              "length":-1,
 | 
						|
              "precision":1,
 | 
						|
              "scale":0
 | 
						|
            },
 | 
						|
            "flag":1,
 | 
						|
            "calc_type": {
 | 
						|
              "type":"BIGINT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            }
 | 
						|
          },
 | 
						|
          "expr_info": [
 | 
						|
            "IS_CALCULABLE_EXPR",
 | 
						|
            "IS_CONST_EXPR",
 | 
						|
            "CNT_CONST",
 | 
						|
            "CNT_STATIC_PARAM",
 | 
						|
            "CNT_CALCULABLE_EXPR"
 | 
						|
          ],
 | 
						|
          "rel_id": [
 | 
						|
          ],
 | 
						|
          "expr_levels": [
 | 
						|
          ],
 | 
						|
          "children": [
 | 
						|
             {
 | 
						|
              "item_type":"T_QUESTIONMARK",
 | 
						|
              "result_type": {
 | 
						|
                "meta": {
 | 
						|
                  "type":"BIGINT",
 | 
						|
                  "collation":"binary",
 | 
						|
                  "coercibility":"NUMERIC"
 | 
						|
                },
 | 
						|
                "accuracy": {
 | 
						|
                  "length":1,
 | 
						|
                  "precision":1,
 | 
						|
                  "scale":0
 | 
						|
                },
 | 
						|
                "flag":1,
 | 
						|
                "calc_type": {
 | 
						|
                  "type":"NULL",
 | 
						|
                  "collation":"invalid_type",
 | 
						|
                  "coercibility":"INVALID"
 | 
						|
                }
 | 
						|
              },
 | 
						|
              "expr_info": [
 | 
						|
                "IS_CONST",
 | 
						|
                "IS_STATIC_PARAM",
 | 
						|
                "CNT_CONST",
 | 
						|
                "CNT_STATIC_PARAM"
 | 
						|
              ],
 | 
						|
              "rel_id": [
 | 
						|
              ],
 | 
						|
              "value": {
 | 
						|
                "UNKNOWN":0
 | 
						|
              }
 | 
						|
            },
 | 
						|
             {
 | 
						|
              "item_type":"T_QUESTIONMARK",
 | 
						|
              "result_type": {
 | 
						|
                "meta": {
 | 
						|
                  "type":"BIGINT",
 | 
						|
                  "collation":"binary",
 | 
						|
                  "coercibility":"NUMERIC"
 | 
						|
                },
 | 
						|
                "accuracy": {
 | 
						|
                  "length":1,
 | 
						|
                  "precision":1,
 | 
						|
                  "scale":0
 | 
						|
                },
 | 
						|
                "flag":1,
 | 
						|
                "calc_type": {
 | 
						|
                  "type":"NULL",
 | 
						|
                  "collation":"invalid_type",
 | 
						|
                  "coercibility":"INVALID"
 | 
						|
                }
 | 
						|
              },
 | 
						|
              "expr_info": [
 | 
						|
                "IS_CONST",
 | 
						|
                "IS_STATIC_PARAM",
 | 
						|
                "CNT_CONST",
 | 
						|
                "CNT_STATIC_PARAM"
 | 
						|
              ],
 | 
						|
              "rel_id": [
 | 
						|
              ],
 | 
						|
              "value": {
 | 
						|
                "UNKNOWN":1
 | 
						|
              }
 | 
						|
            }
 | 
						|
          ]
 | 
						|
        },
 | 
						|
        "idx":2
 | 
						|
      }
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 14   ***************
 | 
						|
delete from t2 order by c1, c2 desc, c3 asc
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677878,
 | 
						|
      "table_name":"t2",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677878,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677878,
 | 
						|
      "index_tid":1099511677878,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_FUN_SYS_PART_KEY_V2",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":-1,
 | 
						|
            "scale":-1
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_FUNC",
 | 
						|
          "CNT_COLUMN",
 | 
						|
          "CNT_FUNC"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "func":"partition_key_v2",
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677878,
 | 
						|
            "column_id":17,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t2",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c2",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":2,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"VARCHAR",
 | 
						|
                "collation":"utf8mb4_general_ci",
 | 
						|
                "coercibility":"IMPLICIT"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":32,
 | 
						|
                "precision":-1,
 | 
						|
                "scale":-1
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677878,
 | 
						|
            "column_id":18,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t2",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c3",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":2,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          }
 | 
						|
        ],
 | 
						|
        "enum_set_values": [
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677878,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677878,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677878,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t2",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":2,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":18,
 | 
						|
      "table_id":1099511677878,
 | 
						|
      "column":"c3",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677878,
 | 
						|
      "base_cid":18,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"VARCHAR",
 | 
						|
            "collation":"utf8mb4_general_ci",
 | 
						|
            "coercibility":"IMPLICIT"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":32,
 | 
						|
            "precision":-1,
 | 
						|
            "scale":-1
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677878,
 | 
						|
        "column_id":18,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t2",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c3",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":2,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677878,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677878,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677878,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t2",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":2,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
     {
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677878,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t2",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":2,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      },
 | 
						|
      "ascending":"ASC"
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677878,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t2",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":2,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      },
 | 
						|
      "ascending":"DESC"
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"VARCHAR",
 | 
						|
            "collation":"utf8mb4_general_ci",
 | 
						|
            "coercibility":"IMPLICIT"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":32,
 | 
						|
            "precision":-1,
 | 
						|
            "scale":-1
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677878,
 | 
						|
        "column_id":18,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t2",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c3",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":2,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      },
 | 
						|
      "ascending":"ASC"
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "limit":null,
 | 
						|
  "offset":null,
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":0,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 15   ***************
 | 
						|
delete from t2 order by c2/2
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677878,
 | 
						|
      "table_name":"t2",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677878,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677878,
 | 
						|
      "index_tid":1099511677878,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_FUN_SYS_PART_KEY_V2",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":-1,
 | 
						|
            "scale":-1
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_FUNC",
 | 
						|
          "CNT_COLUMN",
 | 
						|
          "CNT_FUNC"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "func":"partition_key_v2",
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677878,
 | 
						|
            "column_id":17,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t2",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c2",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":2,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"VARCHAR",
 | 
						|
                "collation":"utf8mb4_general_ci",
 | 
						|
                "coercibility":"IMPLICIT"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":32,
 | 
						|
                "precision":-1,
 | 
						|
                "scale":-1
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677878,
 | 
						|
            "column_id":18,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t2",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c3",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":1,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          }
 | 
						|
        ],
 | 
						|
        "enum_set_values": [
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677878,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677878,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677878,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t2",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":2,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":18,
 | 
						|
      "table_id":1099511677878,
 | 
						|
      "column":"c3",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677878,
 | 
						|
      "base_cid":18,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"VARCHAR",
 | 
						|
            "collation":"utf8mb4_general_ci",
 | 
						|
            "coercibility":"IMPLICIT"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":32,
 | 
						|
            "precision":-1,
 | 
						|
            "scale":-1
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677878,
 | 
						|
        "column_id":18,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t2",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c3",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677878,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677878,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677878,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t2",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
     {
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_OP_DIV",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"DECIMAL",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":15,
 | 
						|
            "scale":4
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"DECIMAL",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_COLUMN",
 | 
						|
          "CNT_STATIC_PARAM"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677878,
 | 
						|
            "column_id":17,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t2",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c2",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":2,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_QUESTIONMARK",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"DECIMAL",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":1,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":0,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_CONST",
 | 
						|
              "IS_STATIC_PARAM",
 | 
						|
              "CNT_CONST",
 | 
						|
              "CNT_STATIC_PARAM",
 | 
						|
              "IS_DYNAMIC_PARAM"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
            ],
 | 
						|
            "value": {
 | 
						|
              "UNKNOWN":0
 | 
						|
            }
 | 
						|
          }
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "ascending":"ASC"
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "limit":null,
 | 
						|
  "offset":null,
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":1,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
       {
 | 
						|
        "expression": {
 | 
						|
          "item_type":"T_FUN_SYS_TO_TYPE",
 | 
						|
          "result_type": {
 | 
						|
            "meta": {
 | 
						|
              "type":"DECIMAL",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "accuracy": {
 | 
						|
              "length":-1,
 | 
						|
              "precision":1,
 | 
						|
              "scale":0
 | 
						|
            },
 | 
						|
            "flag":0,
 | 
						|
            "calc_type": {
 | 
						|
              "type":"NULL",
 | 
						|
              "collation":"invalid_type",
 | 
						|
              "coercibility":"INVALID"
 | 
						|
            }
 | 
						|
          },
 | 
						|
          "expr_info": [
 | 
						|
            "IS_CONST",
 | 
						|
            "IS_FUNC",
 | 
						|
            "IS_CALCULABLE_EXPR",
 | 
						|
            "IS_CONST_EXPR",
 | 
						|
            "CNT_CONST",
 | 
						|
            "CNT_FUNC",
 | 
						|
            "CNT_CALCULABLE_EXPR"
 | 
						|
          ],
 | 
						|
          "rel_id": [
 | 
						|
          ],
 | 
						|
          "expr_levels": [
 | 
						|
          ],
 | 
						|
          "func":"to_type",
 | 
						|
          "children": [
 | 
						|
             {
 | 
						|
              "item_type":"T_INT",
 | 
						|
              "result_type": {
 | 
						|
                "meta": {
 | 
						|
                  "type":"BIGINT",
 | 
						|
                  "collation":"binary",
 | 
						|
                  "coercibility":"NUMERIC"
 | 
						|
                },
 | 
						|
                "accuracy": {
 | 
						|
                  "length":1,
 | 
						|
                  "precision":1,
 | 
						|
                  "scale":0
 | 
						|
                },
 | 
						|
                "flag":1,
 | 
						|
                "calc_type": {
 | 
						|
                  "type":"NULL",
 | 
						|
                  "collation":"invalid_type",
 | 
						|
                  "coercibility":"INVALID"
 | 
						|
                }
 | 
						|
              },
 | 
						|
              "expr_info": [
 | 
						|
                "IS_CONST",
 | 
						|
                "CNT_CONST"
 | 
						|
              ],
 | 
						|
              "rel_id": [
 | 
						|
              ],
 | 
						|
              "value": {
 | 
						|
                "BIGINT":2
 | 
						|
              }
 | 
						|
            }
 | 
						|
          ],
 | 
						|
          "enum_set_values": [
 | 
						|
          ]
 | 
						|
        },
 | 
						|
        "idx":0
 | 
						|
      }
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 16   ***************
 | 
						|
delete from t1 order by 1+1
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "table_name":"t1",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677877,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "index_tid":1099511677877,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_OP_ADD",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":12,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":1,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677877,
 | 
						|
            "column_id":16,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t1",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c1",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":1,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_INT",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"BIGINT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":1,
 | 
						|
                "precision":1,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":1,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_CONST",
 | 
						|
              "CNT_CONST"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
            ],
 | 
						|
            "value": {
 | 
						|
              "BIGINT":1
 | 
						|
            }
 | 
						|
          }
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
     {
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_QUESTIONMARK",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":2,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":1,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_CONST",
 | 
						|
          "IS_STATIC_PARAM",
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_STATIC_PARAM",
 | 
						|
          "IS_DYNAMIC_PARAM"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "value": {
 | 
						|
          "UNKNOWN":0
 | 
						|
        }
 | 
						|
      },
 | 
						|
      "ascending":"ASC"
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "limit":null,
 | 
						|
  "offset":null,
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":1,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
       {
 | 
						|
        "expression": {
 | 
						|
          "item_type":"T_OP_ADD",
 | 
						|
          "result_type": {
 | 
						|
            "meta": {
 | 
						|
              "type":"BIGINT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "accuracy": {
 | 
						|
              "length":-1,
 | 
						|
              "precision":2,
 | 
						|
              "scale":0
 | 
						|
            },
 | 
						|
            "flag":1,
 | 
						|
            "calc_type": {
 | 
						|
              "type":"BIGINT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            }
 | 
						|
          },
 | 
						|
          "expr_info": [
 | 
						|
            "IS_CALCULABLE_EXPR",
 | 
						|
            "IS_CONST_EXPR",
 | 
						|
            "CNT_CONST",
 | 
						|
            "CNT_CALCULABLE_EXPR"
 | 
						|
          ],
 | 
						|
          "rel_id": [
 | 
						|
          ],
 | 
						|
          "expr_levels": [
 | 
						|
          ],
 | 
						|
          "children": [
 | 
						|
             {
 | 
						|
              "item_type":"T_INT",
 | 
						|
              "result_type": {
 | 
						|
                "meta": {
 | 
						|
                  "type":"BIGINT",
 | 
						|
                  "collation":"binary",
 | 
						|
                  "coercibility":"NUMERIC"
 | 
						|
                },
 | 
						|
                "accuracy": {
 | 
						|
                  "length":1,
 | 
						|
                  "precision":1,
 | 
						|
                  "scale":0
 | 
						|
                },
 | 
						|
                "flag":1,
 | 
						|
                "calc_type": {
 | 
						|
                  "type":"NULL",
 | 
						|
                  "collation":"invalid_type",
 | 
						|
                  "coercibility":"INVALID"
 | 
						|
                }
 | 
						|
              },
 | 
						|
              "expr_info": [
 | 
						|
                "IS_CONST",
 | 
						|
                "CNT_CONST"
 | 
						|
              ],
 | 
						|
              "rel_id": [
 | 
						|
              ],
 | 
						|
              "value": {
 | 
						|
                "BIGINT":1
 | 
						|
              }
 | 
						|
            },
 | 
						|
             {
 | 
						|
              "item_type":"T_INT",
 | 
						|
              "result_type": {
 | 
						|
                "meta": {
 | 
						|
                  "type":"BIGINT",
 | 
						|
                  "collation":"binary",
 | 
						|
                  "coercibility":"NUMERIC"
 | 
						|
                },
 | 
						|
                "accuracy": {
 | 
						|
                  "length":1,
 | 
						|
                  "precision":1,
 | 
						|
                  "scale":0
 | 
						|
                },
 | 
						|
                "flag":1,
 | 
						|
                "calc_type": {
 | 
						|
                  "type":"NULL",
 | 
						|
                  "collation":"invalid_type",
 | 
						|
                  "coercibility":"INVALID"
 | 
						|
                }
 | 
						|
              },
 | 
						|
              "expr_info": [
 | 
						|
                "IS_CONST",
 | 
						|
                "CNT_CONST"
 | 
						|
              ],
 | 
						|
              "rel_id": [
 | 
						|
              ],
 | 
						|
              "value": {
 | 
						|
                "BIGINT":1
 | 
						|
              }
 | 
						|
            }
 | 
						|
          ]
 | 
						|
        },
 | 
						|
        "idx":0
 | 
						|
      }
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 17   ***************
 | 
						|
delete from t1 limit 10
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "table_name":"t1",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677877,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "index_tid":1099511677877,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_OP_ADD",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":12,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":1,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677877,
 | 
						|
            "column_id":16,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t1",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c1",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":1,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_INT",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"BIGINT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":1,
 | 
						|
                "precision":1,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":1,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_CONST",
 | 
						|
              "CNT_CONST"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
            ],
 | 
						|
            "value": {
 | 
						|
              "BIGINT":1
 | 
						|
            }
 | 
						|
          }
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
  ],
 | 
						|
  "limit": {
 | 
						|
    "item_type":"T_INT",
 | 
						|
    "result_type": {
 | 
						|
      "meta": {
 | 
						|
        "type":"BIGINT",
 | 
						|
        "collation":"binary",
 | 
						|
        "coercibility":"NUMERIC"
 | 
						|
      },
 | 
						|
      "accuracy": {
 | 
						|
        "length":2,
 | 
						|
        "precision":2,
 | 
						|
        "scale":0
 | 
						|
      },
 | 
						|
      "flag":1,
 | 
						|
      "calc_type": {
 | 
						|
        "type":"NULL",
 | 
						|
        "collation":"invalid_type",
 | 
						|
        "coercibility":"INVALID"
 | 
						|
      }
 | 
						|
    },
 | 
						|
    "expr_info": [
 | 
						|
      "IS_CONST",
 | 
						|
      "CNT_CONST"
 | 
						|
    ],
 | 
						|
    "rel_id": [
 | 
						|
    ],
 | 
						|
    "value": {
 | 
						|
      "BIGINT":10
 | 
						|
    }
 | 
						|
  },
 | 
						|
  "offset":null,
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":0,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 18   ***************
 | 
						|
delete from t1 limit 2, 10
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "table_name":"t1",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677877,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "index_tid":1099511677877,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_OP_ADD",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":12,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":1,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677877,
 | 
						|
            "column_id":16,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t1",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c1",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":1,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_INT",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"BIGINT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":1,
 | 
						|
                "precision":1,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":1,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_CONST",
 | 
						|
              "CNT_CONST"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
            ],
 | 
						|
            "value": {
 | 
						|
              "BIGINT":1
 | 
						|
            }
 | 
						|
          }
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
  ],
 | 
						|
  "limit": {
 | 
						|
    "item_type":"T_INT",
 | 
						|
    "result_type": {
 | 
						|
      "meta": {
 | 
						|
        "type":"BIGINT",
 | 
						|
        "collation":"binary",
 | 
						|
        "coercibility":"NUMERIC"
 | 
						|
      },
 | 
						|
      "accuracy": {
 | 
						|
        "length":2,
 | 
						|
        "precision":2,
 | 
						|
        "scale":0
 | 
						|
      },
 | 
						|
      "flag":1,
 | 
						|
      "calc_type": {
 | 
						|
        "type":"NULL",
 | 
						|
        "collation":"invalid_type",
 | 
						|
        "coercibility":"INVALID"
 | 
						|
      }
 | 
						|
    },
 | 
						|
    "expr_info": [
 | 
						|
      "IS_CONST",
 | 
						|
      "CNT_CONST"
 | 
						|
    ],
 | 
						|
    "rel_id": [
 | 
						|
    ],
 | 
						|
    "value": {
 | 
						|
      "BIGINT":10
 | 
						|
    }
 | 
						|
  },
 | 
						|
  "offset": {
 | 
						|
    "item_type":"T_QUESTIONMARK",
 | 
						|
    "result_type": {
 | 
						|
      "meta": {
 | 
						|
        "type":"BIGINT",
 | 
						|
        "collation":"binary",
 | 
						|
        "coercibility":"NUMERIC"
 | 
						|
      },
 | 
						|
      "accuracy": {
 | 
						|
        "length":1,
 | 
						|
        "precision":1,
 | 
						|
        "scale":0
 | 
						|
      },
 | 
						|
      "flag":1,
 | 
						|
      "calc_type": {
 | 
						|
        "type":"NULL",
 | 
						|
        "collation":"invalid_type",
 | 
						|
        "coercibility":"INVALID"
 | 
						|
      }
 | 
						|
    },
 | 
						|
    "expr_info": [
 | 
						|
      "IS_CONST",
 | 
						|
      "IS_STATIC_PARAM",
 | 
						|
      "CNT_CONST",
 | 
						|
      "CNT_STATIC_PARAM"
 | 
						|
    ],
 | 
						|
    "rel_id": [
 | 
						|
    ],
 | 
						|
    "value": {
 | 
						|
      "UNKNOWN":0
 | 
						|
    }
 | 
						|
  },
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":1,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 19   ***************
 | 
						|
delete from t1 limit 2 offset 10
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "table_name":"t1",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677877,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "index_tid":1099511677877,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_OP_ADD",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":12,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":1,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677877,
 | 
						|
            "column_id":16,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t1",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c1",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":1,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_INT",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"BIGINT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":1,
 | 
						|
                "precision":1,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":1,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_CONST",
 | 
						|
              "CNT_CONST"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
            ],
 | 
						|
            "value": {
 | 
						|
              "BIGINT":1
 | 
						|
            }
 | 
						|
          }
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
  ],
 | 
						|
  "limit": {
 | 
						|
    "item_type":"T_INT",
 | 
						|
    "result_type": {
 | 
						|
      "meta": {
 | 
						|
        "type":"BIGINT",
 | 
						|
        "collation":"binary",
 | 
						|
        "coercibility":"NUMERIC"
 | 
						|
      },
 | 
						|
      "accuracy": {
 | 
						|
        "length":1,
 | 
						|
        "precision":1,
 | 
						|
        "scale":0
 | 
						|
      },
 | 
						|
      "flag":1,
 | 
						|
      "calc_type": {
 | 
						|
        "type":"NULL",
 | 
						|
        "collation":"invalid_type",
 | 
						|
        "coercibility":"INVALID"
 | 
						|
      }
 | 
						|
    },
 | 
						|
    "expr_info": [
 | 
						|
      "IS_CONST",
 | 
						|
      "CNT_CONST"
 | 
						|
    ],
 | 
						|
    "rel_id": [
 | 
						|
    ],
 | 
						|
    "value": {
 | 
						|
      "BIGINT":2
 | 
						|
    }
 | 
						|
  },
 | 
						|
  "offset": {
 | 
						|
    "item_type":"T_QUESTIONMARK",
 | 
						|
    "result_type": {
 | 
						|
      "meta": {
 | 
						|
        "type":"BIGINT",
 | 
						|
        "collation":"binary",
 | 
						|
        "coercibility":"NUMERIC"
 | 
						|
      },
 | 
						|
      "accuracy": {
 | 
						|
        "length":2,
 | 
						|
        "precision":2,
 | 
						|
        "scale":0
 | 
						|
      },
 | 
						|
      "flag":1,
 | 
						|
      "calc_type": {
 | 
						|
        "type":"NULL",
 | 
						|
        "collation":"invalid_type",
 | 
						|
        "coercibility":"INVALID"
 | 
						|
      }
 | 
						|
    },
 | 
						|
    "expr_info": [
 | 
						|
      "IS_CONST",
 | 
						|
      "IS_STATIC_PARAM",
 | 
						|
      "CNT_CONST",
 | 
						|
      "CNT_STATIC_PARAM"
 | 
						|
    ],
 | 
						|
    "rel_id": [
 | 
						|
    ],
 | 
						|
    "value": {
 | 
						|
      "UNKNOWN":0
 | 
						|
    }
 | 
						|
  },
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":1,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 20   ***************
 | 
						|
delete from t1 limit 1
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "table_name":"t1",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677877,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "index_tid":1099511677877,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_OP_ADD",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":12,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":1,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677877,
 | 
						|
            "column_id":16,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t1",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c1",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":1,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_INT",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"BIGINT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":1,
 | 
						|
                "precision":1,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":1,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_CONST",
 | 
						|
              "CNT_CONST"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
            ],
 | 
						|
            "value": {
 | 
						|
              "BIGINT":1
 | 
						|
            }
 | 
						|
          }
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
  ],
 | 
						|
  "limit": {
 | 
						|
    "item_type":"T_INT",
 | 
						|
    "result_type": {
 | 
						|
      "meta": {
 | 
						|
        "type":"BIGINT",
 | 
						|
        "collation":"binary",
 | 
						|
        "coercibility":"NUMERIC"
 | 
						|
      },
 | 
						|
      "accuracy": {
 | 
						|
        "length":1,
 | 
						|
        "precision":1,
 | 
						|
        "scale":0
 | 
						|
      },
 | 
						|
      "flag":1,
 | 
						|
      "calc_type": {
 | 
						|
        "type":"NULL",
 | 
						|
        "collation":"invalid_type",
 | 
						|
        "coercibility":"INVALID"
 | 
						|
      }
 | 
						|
    },
 | 
						|
    "expr_info": [
 | 
						|
      "IS_CONST",
 | 
						|
      "CNT_CONST"
 | 
						|
    ],
 | 
						|
    "rel_id": [
 | 
						|
    ],
 | 
						|
    "value": {
 | 
						|
      "BIGINT":1
 | 
						|
    }
 | 
						|
  },
 | 
						|
  "offset":null,
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":0,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 21   ***************
 | 
						|
delete from t1 limit 1,0
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "table_name":"t1",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677877,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "index_tid":1099511677877,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_OP_ADD",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":12,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":1,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677877,
 | 
						|
            "column_id":16,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t1",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c1",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":1,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_INT",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"BIGINT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":1,
 | 
						|
                "precision":1,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":1,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_CONST",
 | 
						|
              "CNT_CONST"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
            ],
 | 
						|
            "value": {
 | 
						|
              "BIGINT":1
 | 
						|
            }
 | 
						|
          }
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
  ],
 | 
						|
  "limit": {
 | 
						|
    "item_type":"T_INT",
 | 
						|
    "result_type": {
 | 
						|
      "meta": {
 | 
						|
        "type":"BIGINT",
 | 
						|
        "collation":"binary",
 | 
						|
        "coercibility":"NUMERIC"
 | 
						|
      },
 | 
						|
      "accuracy": {
 | 
						|
        "length":1,
 | 
						|
        "precision":1,
 | 
						|
        "scale":0
 | 
						|
      },
 | 
						|
      "flag":1,
 | 
						|
      "calc_type": {
 | 
						|
        "type":"NULL",
 | 
						|
        "collation":"invalid_type",
 | 
						|
        "coercibility":"INVALID"
 | 
						|
      }
 | 
						|
    },
 | 
						|
    "expr_info": [
 | 
						|
      "IS_CONST",
 | 
						|
      "CNT_CONST"
 | 
						|
    ],
 | 
						|
    "rel_id": [
 | 
						|
    ],
 | 
						|
    "value": {
 | 
						|
      "BIGINT":0
 | 
						|
    }
 | 
						|
  },
 | 
						|
  "offset": {
 | 
						|
    "item_type":"T_QUESTIONMARK",
 | 
						|
    "result_type": {
 | 
						|
      "meta": {
 | 
						|
        "type":"BIGINT",
 | 
						|
        "collation":"binary",
 | 
						|
        "coercibility":"NUMERIC"
 | 
						|
      },
 | 
						|
      "accuracy": {
 | 
						|
        "length":1,
 | 
						|
        "precision":1,
 | 
						|
        "scale":0
 | 
						|
      },
 | 
						|
      "flag":1,
 | 
						|
      "calc_type": {
 | 
						|
        "type":"NULL",
 | 
						|
        "collation":"invalid_type",
 | 
						|
        "coercibility":"INVALID"
 | 
						|
      }
 | 
						|
    },
 | 
						|
    "expr_info": [
 | 
						|
      "IS_CONST",
 | 
						|
      "IS_STATIC_PARAM",
 | 
						|
      "CNT_CONST",
 | 
						|
      "CNT_STATIC_PARAM"
 | 
						|
    ],
 | 
						|
    "rel_id": [
 | 
						|
    ],
 | 
						|
    "value": {
 | 
						|
      "UNKNOWN":0
 | 
						|
    }
 | 
						|
  },
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":1,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 22   ***************
 | 
						|
delete from t1 limit 2,10
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "table_name":"t1",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677877,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "index_tid":1099511677877,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_OP_ADD",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":12,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":1,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677877,
 | 
						|
            "column_id":16,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t1",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c1",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":1,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_INT",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"BIGINT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":1,
 | 
						|
                "precision":1,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":1,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_CONST",
 | 
						|
              "CNT_CONST"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
            ],
 | 
						|
            "value": {
 | 
						|
              "BIGINT":1
 | 
						|
            }
 | 
						|
          }
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
  ],
 | 
						|
  "limit": {
 | 
						|
    "item_type":"T_INT",
 | 
						|
    "result_type": {
 | 
						|
      "meta": {
 | 
						|
        "type":"BIGINT",
 | 
						|
        "collation":"binary",
 | 
						|
        "coercibility":"NUMERIC"
 | 
						|
      },
 | 
						|
      "accuracy": {
 | 
						|
        "length":2,
 | 
						|
        "precision":2,
 | 
						|
        "scale":0
 | 
						|
      },
 | 
						|
      "flag":1,
 | 
						|
      "calc_type": {
 | 
						|
        "type":"NULL",
 | 
						|
        "collation":"invalid_type",
 | 
						|
        "coercibility":"INVALID"
 | 
						|
      }
 | 
						|
    },
 | 
						|
    "expr_info": [
 | 
						|
      "IS_CONST",
 | 
						|
      "CNT_CONST"
 | 
						|
    ],
 | 
						|
    "rel_id": [
 | 
						|
    ],
 | 
						|
    "value": {
 | 
						|
      "BIGINT":10
 | 
						|
    }
 | 
						|
  },
 | 
						|
  "offset": {
 | 
						|
    "item_type":"T_QUESTIONMARK",
 | 
						|
    "result_type": {
 | 
						|
      "meta": {
 | 
						|
        "type":"BIGINT",
 | 
						|
        "collation":"binary",
 | 
						|
        "coercibility":"NUMERIC"
 | 
						|
      },
 | 
						|
      "accuracy": {
 | 
						|
        "length":1,
 | 
						|
        "precision":1,
 | 
						|
        "scale":0
 | 
						|
      },
 | 
						|
      "flag":1,
 | 
						|
      "calc_type": {
 | 
						|
        "type":"NULL",
 | 
						|
        "collation":"invalid_type",
 | 
						|
        "coercibility":"INVALID"
 | 
						|
      }
 | 
						|
    },
 | 
						|
    "expr_info": [
 | 
						|
      "IS_CONST",
 | 
						|
      "IS_STATIC_PARAM",
 | 
						|
      "CNT_CONST",
 | 
						|
      "CNT_STATIC_PARAM"
 | 
						|
    ],
 | 
						|
    "rel_id": [
 | 
						|
    ],
 | 
						|
    "value": {
 | 
						|
      "UNKNOWN":0
 | 
						|
    }
 | 
						|
  },
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":1,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 23   ***************
 | 
						|
delete from t1 limit 1,10
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "table_name":"t1",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677877,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "index_tid":1099511677877,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_OP_ADD",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":12,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":1,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677877,
 | 
						|
            "column_id":16,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t1",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c1",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":1,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_INT",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"BIGINT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":1,
 | 
						|
                "precision":1,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":1,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_CONST",
 | 
						|
              "CNT_CONST"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
            ],
 | 
						|
            "value": {
 | 
						|
              "BIGINT":1
 | 
						|
            }
 | 
						|
          }
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
  ],
 | 
						|
  "limit": {
 | 
						|
    "item_type":"T_INT",
 | 
						|
    "result_type": {
 | 
						|
      "meta": {
 | 
						|
        "type":"BIGINT",
 | 
						|
        "collation":"binary",
 | 
						|
        "coercibility":"NUMERIC"
 | 
						|
      },
 | 
						|
      "accuracy": {
 | 
						|
        "length":2,
 | 
						|
        "precision":2,
 | 
						|
        "scale":0
 | 
						|
      },
 | 
						|
      "flag":1,
 | 
						|
      "calc_type": {
 | 
						|
        "type":"NULL",
 | 
						|
        "collation":"invalid_type",
 | 
						|
        "coercibility":"INVALID"
 | 
						|
      }
 | 
						|
    },
 | 
						|
    "expr_info": [
 | 
						|
      "IS_CONST",
 | 
						|
      "CNT_CONST"
 | 
						|
    ],
 | 
						|
    "rel_id": [
 | 
						|
    ],
 | 
						|
    "value": {
 | 
						|
      "BIGINT":10
 | 
						|
    }
 | 
						|
  },
 | 
						|
  "offset": {
 | 
						|
    "item_type":"T_QUESTIONMARK",
 | 
						|
    "result_type": {
 | 
						|
      "meta": {
 | 
						|
        "type":"BIGINT",
 | 
						|
        "collation":"binary",
 | 
						|
        "coercibility":"NUMERIC"
 | 
						|
      },
 | 
						|
      "accuracy": {
 | 
						|
        "length":1,
 | 
						|
        "precision":1,
 | 
						|
        "scale":0
 | 
						|
      },
 | 
						|
      "flag":1,
 | 
						|
      "calc_type": {
 | 
						|
        "type":"NULL",
 | 
						|
        "collation":"invalid_type",
 | 
						|
        "coercibility":"INVALID"
 | 
						|
      }
 | 
						|
    },
 | 
						|
    "expr_info": [
 | 
						|
      "IS_CONST",
 | 
						|
      "IS_STATIC_PARAM",
 | 
						|
      "CNT_CONST",
 | 
						|
      "CNT_STATIC_PARAM"
 | 
						|
    ],
 | 
						|
    "rel_id": [
 | 
						|
    ],
 | 
						|
    "value": {
 | 
						|
      "UNKNOWN":0
 | 
						|
    }
 | 
						|
  },
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":1,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 24   ***************
 | 
						|
delete /*+ INDEX(t1 idx1)*/ from t1 where c1 =1
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "table_name":"t1",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677877,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "index_tid":1099511677877,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_OP_ADD",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":12,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":1,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677877,
 | 
						|
            "column_id":16,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t1",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c1",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
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						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":2,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_INT",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"BIGINT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":1,
 | 
						|
                "precision":1,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":1,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_CONST",
 | 
						|
              "CNT_CONST"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
            ],
 | 
						|
            "value": {
 | 
						|
              "BIGINT":1
 | 
						|
            }
 | 
						|
          }
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":2,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
     {
 | 
						|
      "item_type":"T_OP_EQ",
 | 
						|
      "result_type": {
 | 
						|
        "meta": {
 | 
						|
          "type":"INT",
 | 
						|
          "collation":"binary",
 | 
						|
          "coercibility":"NUMERIC"
 | 
						|
        },
 | 
						|
        "accuracy": {
 | 
						|
          "length":-1,
 | 
						|
          "precision":1,
 | 
						|
          "scale":0
 | 
						|
        },
 | 
						|
        "flag":1,
 | 
						|
        "calc_type": {
 | 
						|
          "type":"DECIMAL",
 | 
						|
          "collation":"binary",
 | 
						|
          "coercibility":"NUMERIC"
 | 
						|
        }
 | 
						|
      },
 | 
						|
      "expr_info": [
 | 
						|
        "CNT_CONST",
 | 
						|
        "CNT_COLUMN",
 | 
						|
        "CNT_STATIC_PARAM",
 | 
						|
        "IS_SIMPLE_COND"
 | 
						|
      ],
 | 
						|
      "rel_id": [
 | 
						|
        1
 | 
						|
      ],
 | 
						|
      "expr_levels": [
 | 
						|
        0
 | 
						|
      ],
 | 
						|
      "children": [
 | 
						|
         {
 | 
						|
          "item_type":"T_REF_COLUMN",
 | 
						|
          "result_type": {
 | 
						|
            "meta": {
 | 
						|
              "type":"INT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "accuracy": {
 | 
						|
              "length":-1,
 | 
						|
              "precision":11,
 | 
						|
              "scale":0
 | 
						|
            },
 | 
						|
            "flag":16387,
 | 
						|
            "calc_type": {
 | 
						|
              "type":"NULL",
 | 
						|
              "collation":"invalid_type",
 | 
						|
              "coercibility":"INVALID"
 | 
						|
            }
 | 
						|
          },
 | 
						|
          "expr_info": [
 | 
						|
            "IS_COLUMN",
 | 
						|
            "CNT_COLUMN"
 | 
						|
          ],
 | 
						|
          "rel_id": [
 | 
						|
            1
 | 
						|
          ],
 | 
						|
          "table_id":1099511677877,
 | 
						|
          "column_id":16,
 | 
						|
          "database_name":"delete_db",
 | 
						|
          "table_name":"t1",
 | 
						|
          "synonym_name":"",
 | 
						|
          "column_name":"c1",
 | 
						|
          "expr_level":0,
 | 
						|
          "expr_levels": [
 | 
						|
            0
 | 
						|
          ],
 | 
						|
          "column_flags":17179869184,
 | 
						|
          "is_explicited_referece":true,
 | 
						|
          "explicited_ref_count":2,
 | 
						|
          "enum_set_values": [
 | 
						|
          ],
 | 
						|
          "is_lob_column":false
 | 
						|
        },
 | 
						|
         {
 | 
						|
          "item_type":"T_QUESTIONMARK",
 | 
						|
          "result_type": {
 | 
						|
            "meta": {
 | 
						|
              "type":"BIGINT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "accuracy": {
 | 
						|
              "length":1,
 | 
						|
              "precision":1,
 | 
						|
              "scale":0
 | 
						|
            },
 | 
						|
            "flag":1,
 | 
						|
            "calc_type": {
 | 
						|
              "type":"NULL",
 | 
						|
              "collation":"invalid_type",
 | 
						|
              "coercibility":"INVALID"
 | 
						|
            }
 | 
						|
          },
 | 
						|
          "expr_info": [
 | 
						|
            "IS_CONST",
 | 
						|
            "IS_STATIC_PARAM",
 | 
						|
            "CNT_CONST",
 | 
						|
            "CNT_STATIC_PARAM"
 | 
						|
          ],
 | 
						|
          "rel_id": [
 | 
						|
          ],
 | 
						|
          "value": {
 | 
						|
            "UNKNOWN":0
 | 
						|
          }
 | 
						|
        }
 | 
						|
      ]
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
  ],
 | 
						|
  "limit":null,
 | 
						|
  "offset":null,
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":true,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":1,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 25   ***************
 | 
						|
delete from t1 partition (p1)
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "table_name":"t1",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677877,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "index_tid":1099511677877,
 | 
						|
      "part_expr": {
 | 
						|
        "item_type":"T_OP_ADD",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":12,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":1,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"BIGINT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "CNT_CONST",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
        ],
 | 
						|
        "expr_levels": [
 | 
						|
        ],
 | 
						|
        "children": [
 | 
						|
           {
 | 
						|
            "item_type":"T_REF_COLUMN",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"INT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":-1,
 | 
						|
                "precision":11,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":16387,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_COLUMN",
 | 
						|
              "CNT_COLUMN"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
              1
 | 
						|
            ],
 | 
						|
            "table_id":1099511677877,
 | 
						|
            "column_id":16,
 | 
						|
            "database_name":"delete_db",
 | 
						|
            "table_name":"t1",
 | 
						|
            "synonym_name":"",
 | 
						|
            "column_name":"c1",
 | 
						|
            "expr_level":0,
 | 
						|
            "expr_levels": [
 | 
						|
              0
 | 
						|
            ],
 | 
						|
            "column_flags":17179869184,
 | 
						|
            "is_explicited_referece":true,
 | 
						|
            "explicited_ref_count":1,
 | 
						|
            "enum_set_values": [
 | 
						|
            ],
 | 
						|
            "is_lob_column":false
 | 
						|
          },
 | 
						|
           {
 | 
						|
            "item_type":"T_INT",
 | 
						|
            "result_type": {
 | 
						|
              "meta": {
 | 
						|
                "type":"BIGINT",
 | 
						|
                "collation":"binary",
 | 
						|
                "coercibility":"NUMERIC"
 | 
						|
              },
 | 
						|
              "accuracy": {
 | 
						|
                "length":1,
 | 
						|
                "precision":1,
 | 
						|
                "scale":0
 | 
						|
              },
 | 
						|
              "flag":1,
 | 
						|
              "calc_type": {
 | 
						|
                "type":"NULL",
 | 
						|
                "collation":"invalid_type",
 | 
						|
                "coercibility":"INVALID"
 | 
						|
              }
 | 
						|
            },
 | 
						|
            "expr_info": [
 | 
						|
              "IS_CONST",
 | 
						|
              "CNT_CONST"
 | 
						|
            ],
 | 
						|
            "rel_id": [
 | 
						|
            ],
 | 
						|
            "value": {
 | 
						|
              "BIGINT":1
 | 
						|
            }
 | 
						|
          }
 | 
						|
        ]
 | 
						|
      },
 | 
						|
      "subpart_expr":null
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":17179869184,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677877,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677877,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"t1",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
  ],
 | 
						|
  "limit":null,
 | 
						|
  "offset":null,
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
       {
 | 
						|
        "table_id":1099511677877,
 | 
						|
        "part_ids": [
 | 
						|
          1
 | 
						|
        ]
 | 
						|
      }
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":0,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 26   ***************
 | 
						|
delete from test where c1 = 1
 | 
						|
{
 | 
						|
  "stmt_type":4,
 | 
						|
  "table": [
 | 
						|
     {
 | 
						|
      "table_id":1099511677879,
 | 
						|
      "table_name":"test",
 | 
						|
      "alias_name":"",
 | 
						|
      "synonym_name":"",
 | 
						|
      "table_type":0,
 | 
						|
      "ref_id":1099511677879,
 | 
						|
      "database_name":"delete_db",
 | 
						|
      "for_update":false,
 | 
						|
      "wait":-1,
 | 
						|
      "mock_id":-1,
 | 
						|
      "view_base_item":-1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "partition_express": [
 | 
						|
  ],
 | 
						|
  "column": [
 | 
						|
     {
 | 
						|
      "column_id":16,
 | 
						|
      "table_id":1099511677879,
 | 
						|
      "column":"c1",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677879,
 | 
						|
      "base_cid":16,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677879,
 | 
						|
        "column_id":16,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"test",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c1",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":2,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":17,
 | 
						|
      "table_id":1099511677879,
 | 
						|
      "column":"c2",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677879,
 | 
						|
      "base_cid":17,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677879,
 | 
						|
        "column_id":17,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"test",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c2",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":18,
 | 
						|
      "table_id":1099511677879,
 | 
						|
      "column":"c3",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677879,
 | 
						|
      "base_cid":18,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"VARCHAR",
 | 
						|
            "collation":"utf8mb4_general_ci",
 | 
						|
            "coercibility":"IMPLICIT"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":50,
 | 
						|
            "precision":-1,
 | 
						|
            "scale":-1
 | 
						|
          },
 | 
						|
          "flag":16387,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677879,
 | 
						|
        "column_id":18,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"test",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c3",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":19,
 | 
						|
      "table_id":1099511677879,
 | 
						|
      "column":"c4",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677879,
 | 
						|
      "base_cid":19,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"VARCHAR",
 | 
						|
            "collation":"utf8mb4_general_ci",
 | 
						|
            "coercibility":"IMPLICIT"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":50,
 | 
						|
            "precision":-1,
 | 
						|
            "scale":-1
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677879,
 | 
						|
        "column_id":19,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"test",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c4",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":20,
 | 
						|
      "table_id":1099511677879,
 | 
						|
      "column":"c5",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677879,
 | 
						|
      "base_cid":20,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677879,
 | 
						|
        "column_id":20,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"test",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c5",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":21,
 | 
						|
      "table_id":1099511677879,
 | 
						|
      "column":"c6",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677879,
 | 
						|
      "base_cid":21,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"DOUBLE",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":-1,
 | 
						|
            "scale":-1
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677879,
 | 
						|
        "column_id":21,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"test",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c6",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    },
 | 
						|
     {
 | 
						|
      "column_id":22,
 | 
						|
      "table_id":1099511677879,
 | 
						|
      "column":"c7",
 | 
						|
      "auto_filled_timestamp":false,
 | 
						|
      "default_value": {
 | 
						|
        "NULL":"NULL"
 | 
						|
      },
 | 
						|
      "base_tid":1099511677879,
 | 
						|
      "base_cid":22,
 | 
						|
      "expression": {
 | 
						|
        "item_type":"T_REF_COLUMN",
 | 
						|
        "result_type": {
 | 
						|
          "meta": {
 | 
						|
            "type":"INT",
 | 
						|
            "collation":"binary",
 | 
						|
            "coercibility":"NUMERIC"
 | 
						|
          },
 | 
						|
          "accuracy": {
 | 
						|
            "length":-1,
 | 
						|
            "precision":11,
 | 
						|
            "scale":0
 | 
						|
          },
 | 
						|
          "flag":0,
 | 
						|
          "calc_type": {
 | 
						|
            "type":"NULL",
 | 
						|
            "collation":"invalid_type",
 | 
						|
            "coercibility":"INVALID"
 | 
						|
          }
 | 
						|
        },
 | 
						|
        "expr_info": [
 | 
						|
          "IS_COLUMN",
 | 
						|
          "CNT_COLUMN"
 | 
						|
        ],
 | 
						|
        "rel_id": [
 | 
						|
          1
 | 
						|
        ],
 | 
						|
        "table_id":1099511677879,
 | 
						|
        "column_id":22,
 | 
						|
        "database_name":"delete_db",
 | 
						|
        "table_name":"test",
 | 
						|
        "synonym_name":"",
 | 
						|
        "column_name":"c7",
 | 
						|
        "expr_level":0,
 | 
						|
        "expr_levels": [
 | 
						|
          0
 | 
						|
        ],
 | 
						|
        "column_flags":0,
 | 
						|
        "is_explicited_referece":true,
 | 
						|
        "explicited_ref_count":1,
 | 
						|
        "enum_set_values": [
 | 
						|
        ],
 | 
						|
        "is_lob_column":false
 | 
						|
      }
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "where": [
 | 
						|
     {
 | 
						|
      "item_type":"T_OP_EQ",
 | 
						|
      "result_type": {
 | 
						|
        "meta": {
 | 
						|
          "type":"INT",
 | 
						|
          "collation":"binary",
 | 
						|
          "coercibility":"NUMERIC"
 | 
						|
        },
 | 
						|
        "accuracy": {
 | 
						|
          "length":-1,
 | 
						|
          "precision":1,
 | 
						|
          "scale":0
 | 
						|
        },
 | 
						|
        "flag":1,
 | 
						|
        "calc_type": {
 | 
						|
          "type":"DECIMAL",
 | 
						|
          "collation":"binary",
 | 
						|
          "coercibility":"NUMERIC"
 | 
						|
        }
 | 
						|
      },
 | 
						|
      "expr_info": [
 | 
						|
        "CNT_CONST",
 | 
						|
        "CNT_COLUMN",
 | 
						|
        "CNT_STATIC_PARAM",
 | 
						|
        "IS_SIMPLE_COND"
 | 
						|
      ],
 | 
						|
      "rel_id": [
 | 
						|
        1
 | 
						|
      ],
 | 
						|
      "expr_levels": [
 | 
						|
        0
 | 
						|
      ],
 | 
						|
      "children": [
 | 
						|
         {
 | 
						|
          "item_type":"T_REF_COLUMN",
 | 
						|
          "result_type": {
 | 
						|
            "meta": {
 | 
						|
              "type":"INT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "accuracy": {
 | 
						|
              "length":-1,
 | 
						|
              "precision":11,
 | 
						|
              "scale":0
 | 
						|
            },
 | 
						|
            "flag":16387,
 | 
						|
            "calc_type": {
 | 
						|
              "type":"NULL",
 | 
						|
              "collation":"invalid_type",
 | 
						|
              "coercibility":"INVALID"
 | 
						|
            }
 | 
						|
          },
 | 
						|
          "expr_info": [
 | 
						|
            "IS_COLUMN",
 | 
						|
            "CNT_COLUMN"
 | 
						|
          ],
 | 
						|
          "rel_id": [
 | 
						|
            1
 | 
						|
          ],
 | 
						|
          "table_id":1099511677879,
 | 
						|
          "column_id":16,
 | 
						|
          "database_name":"delete_db",
 | 
						|
          "table_name":"test",
 | 
						|
          "synonym_name":"",
 | 
						|
          "column_name":"c1",
 | 
						|
          "expr_level":0,
 | 
						|
          "expr_levels": [
 | 
						|
            0
 | 
						|
          ],
 | 
						|
          "column_flags":0,
 | 
						|
          "is_explicited_referece":true,
 | 
						|
          "explicited_ref_count":2,
 | 
						|
          "enum_set_values": [
 | 
						|
          ],
 | 
						|
          "is_lob_column":false
 | 
						|
        },
 | 
						|
         {
 | 
						|
          "item_type":"T_QUESTIONMARK",
 | 
						|
          "result_type": {
 | 
						|
            "meta": {
 | 
						|
              "type":"BIGINT",
 | 
						|
              "collation":"binary",
 | 
						|
              "coercibility":"NUMERIC"
 | 
						|
            },
 | 
						|
            "accuracy": {
 | 
						|
              "length":1,
 | 
						|
              "precision":1,
 | 
						|
              "scale":0
 | 
						|
            },
 | 
						|
            "flag":1,
 | 
						|
            "calc_type": {
 | 
						|
              "type":"NULL",
 | 
						|
              "collation":"invalid_type",
 | 
						|
              "coercibility":"INVALID"
 | 
						|
            }
 | 
						|
          },
 | 
						|
          "expr_info": [
 | 
						|
            "IS_CONST",
 | 
						|
            "IS_STATIC_PARAM",
 | 
						|
            "CNT_CONST",
 | 
						|
            "CNT_STATIC_PARAM"
 | 
						|
          ],
 | 
						|
          "rel_id": [
 | 
						|
          ],
 | 
						|
          "value": {
 | 
						|
            "UNKNOWN":0
 | 
						|
          }
 | 
						|
        }
 | 
						|
      ]
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  "order_by": [
 | 
						|
  ],
 | 
						|
  "limit":null,
 | 
						|
  "offset":null,
 | 
						|
  "hint": {
 | 
						|
    "read_static":false,
 | 
						|
    "no_rewrite":false,
 | 
						|
    "frozen_version":-1,
 | 
						|
    "topk_precision":-1,
 | 
						|
    "sharding_minimum_row_count":0,
 | 
						|
    "query_timeout":-1,
 | 
						|
    "hotspot":false,
 | 
						|
    "index": [
 | 
						|
    ],
 | 
						|
    "read_consistency":-1,
 | 
						|
    "join_ordered":false,
 | 
						|
    "join_order": [
 | 
						|
    ],
 | 
						|
    "merge_hint_ids": [
 | 
						|
    ],
 | 
						|
    "hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "no_hash_hint_ids": [
 | 
						|
    ],
 | 
						|
    "nl_hint_ids": [
 | 
						|
    ],
 | 
						|
    "part_hints": [
 | 
						|
    ],
 | 
						|
    "use_late_materialization":-1,
 | 
						|
    "log_level":"",
 | 
						|
    "max_concurrent":-1,
 | 
						|
    "only_concurrent_hint":false,
 | 
						|
    "has_hint_exclude_concurrent":false,
 | 
						|
    "parallel":-1,
 | 
						|
    "use_px":0,
 | 
						|
    "use join filter":false,
 | 
						|
    "org_pq_distributes": [
 | 
						|
    ],
 | 
						|
    "pq_distributes": [
 | 
						|
    ]
 | 
						|
  },
 | 
						|
  "query_context": {
 | 
						|
    "param_num":1,
 | 
						|
    "fetch_cur_time":true,
 | 
						|
    "calculable_items": [
 | 
						|
    ]
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 27   ***************
 | 
						|
truncate table test;
 | 
						|
{
 | 
						|
  "stmt_type":110,
 | 
						|
  "truncate_table_arg": {
 | 
						|
    "tenant_id":1,
 | 
						|
    "database_name":"delete_db",
 | 
						|
    "table_name":"test",
 | 
						|
    "to_recyclebin":false,
 | 
						|
    "session_id":-1
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 28   ***************
 | 
						|
truncate table t1;
 | 
						|
{
 | 
						|
  "stmt_type":110,
 | 
						|
  "truncate_table_arg": {
 | 
						|
    "tenant_id":1,
 | 
						|
    "database_name":"delete_db",
 | 
						|
    "table_name":"t1",
 | 
						|
    "to_recyclebin":false,
 | 
						|
    "session_id":-1
 | 
						|
  }
 | 
						|
}
 | 
						|
***************   Case 29   ***************
 | 
						|
drop database delete_db;
 | 
						|
{
 | 
						|
  "drop_database_arg":"tenant_id",
 | 
						|
  "database_name":"delete_db",
 | 
						|
  "if_exist":false,
 | 
						|
  "to_recyclebin":false
 | 
						|
}
 |