5994 lines
		
	
	
		
			151 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			5994 lines
		
	
	
		
			151 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| ***************   Case 1   ***************
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| drop database if exists dbcmd;
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| {
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|   "drop_database_arg":"tenant_id",
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|   "database_name":"dbcmd",
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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 dbcmd;
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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":"dbcmd",
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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 dbcmd;
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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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| show columns from rongxuan.t1
 | |
| {
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|   "stmt_type":1,
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|   "table": [
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|      {
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|       "table_id":-2,
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|       "table_name":"subquery_alias",
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|       "alias_name":"subquery_alias",
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|       "synonym_name":"",
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|       "table_type":2,
 | |
|       "ref_id":-1,
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|       "database_name":"",
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|       "for_update":false,
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|       "wait":-1,
 | |
|       "mock_id":-1,
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|       "view_base_item":-1
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|     }
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|   ],
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|   "joined_table": [
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|   ],
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|   "partition_express": [
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|   ],
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|   "column": [
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|      {
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|       "column_id":16,
 | |
|       "table_id":-2,
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|       "column":"Field",
 | |
|       "auto_filled_timestamp":false,
 | |
|       "default_value": {
 | |
|         "NULL":"NULL"
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|       },
 | |
|       "base_tid":1099511637778,
 | |
|       "base_cid":17,
 | |
|       "expression": {
 | |
|         "item_type":"T_REF_COLUMN",
 | |
|         "result_type": {
 | |
|           "meta": {
 | |
|             "type":"VARCHAR",
 | |
|             "collation":"utf8mb4_general_ci",
 | |
|             "coercibility":"IMPLICIT"
 | |
|           },
 | |
|           "accuracy": {
 | |
|             "length":128,
 | |
|             "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":-2,
 | |
|         "column_id":16,
 | |
|         "database_name":"",
 | |
|         "table_name":"subquery_alias",
 | |
|         "synonym_name":"",
 | |
|         "column_name":"Field",
 | |
|         "expr_level":0,
 | |
|         "expr_levels": [
 | |
|           0
 | |
|         ],
 | |
|         "column_flags":0,
 | |
|         "is_explicited_referece":true,
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|         "explicited_ref_count":1,
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|         "enum_set_values": [
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|         ],
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|         "is_lob_column":false
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|       }
 | |
|     },
 | |
|      {
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|       "column_id":17,
 | |
|       "table_id":-2,
 | |
|       "column":"Type",
 | |
|       "auto_filled_timestamp":false,
 | |
|       "default_value": {
 | |
|         "NULL":"NULL"
 | |
|       },
 | |
|       "base_tid":1099511637778,
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|       "base_cid":18,
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|       "expression": {
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|         "item_type":"T_REF_COLUMN",
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|         "result_type": {
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|           "meta": {
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|             "type":"VARCHAR",
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|             "collation":"utf8mb4_general_ci",
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|             "coercibility":"IMPLICIT"
 | |
|           },
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|           "accuracy": {
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|             "length":64,
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|             "precision":-1,
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|             "scale":-1
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|           },
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|           "flag":1,
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|           "calc_type": {
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|             "type":"NULL",
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|             "collation":"invalid_type",
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|             "coercibility":"INVALID"
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|           }
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|         },
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|         "expr_info": [
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|           "IS_COLUMN",
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|           "CNT_COLUMN"
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|         ],
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|         "rel_id": [
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|           1
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|         ],
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|         "table_id":-2,
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|         "column_id":17,
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|         "database_name":"",
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|         "table_name":"subquery_alias",
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|         "synonym_name":"",
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|         "column_name":"Type",
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|         "expr_level":0,
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|         "expr_levels": [
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|           0
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|         ],
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|         "column_flags":0,
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|         "is_explicited_referece":true,
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|         "explicited_ref_count":1,
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|         "enum_set_values": [
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|         ],
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|         "is_lob_column":false
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|       }
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|     },
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|      {
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|       "column_id":18,
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|       "table_id":-2,
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|       "column":"Null",
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|       "auto_filled_timestamp":false,
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|       "default_value": {
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|         "NULL":"NULL"
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|       },
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|       "base_tid":1099511637778,
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|       "base_cid":20,
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|       "expression": {
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|         "item_type":"T_REF_COLUMN",
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|         "result_type": {
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|           "meta": {
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|             "type":"VARCHAR",
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|             "collation":"utf8mb4_general_ci",
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|             "coercibility":"IMPLICIT"
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|           },
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|           "accuracy": {
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|             "length":4,
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|             "precision":-1,
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|             "scale":-1
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|           },
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|           "flag":1,
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|           "calc_type": {
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|             "type":"NULL",
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|             "collation":"invalid_type",
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|             "coercibility":"INVALID"
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|           }
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|         },
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|         "expr_info": [
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|           "IS_COLUMN",
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|           "CNT_COLUMN"
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|         ],
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|         "rel_id": [
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|           1
 | |
|         ],
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|         "table_id":-2,
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|         "column_id":18,
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|         "database_name":"",
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|         "table_name":"subquery_alias",
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|         "synonym_name":"",
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|         "column_name":"Null",
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|         "expr_level":0,
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|         "expr_levels": [
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|           0
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|         ],
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|         "column_flags":0,
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|         "is_explicited_referece":true,
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|         "explicited_ref_count":1,
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|         "enum_set_values": [
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|         ],
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|         "is_lob_column":false
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|       }
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|     },
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|      {
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|       "column_id":19,
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|       "table_id":-2,
 | |
|       "column":"Key",
 | |
|       "auto_filled_timestamp":false,
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|       "default_value": {
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|         "NULL":"NULL"
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|       },
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|       "base_tid":1099511637778,
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|       "base_cid":21,
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|       "expression": {
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|         "item_type":"T_REF_COLUMN",
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|         "result_type": {
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|           "meta": {
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|             "type":"VARCHAR",
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|             "collation":"utf8mb4_general_ci",
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|             "coercibility":"IMPLICIT"
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|           },
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|           "accuracy": {
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|             "length":4,
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|             "precision":-1,
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|             "scale":-1
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|           },
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|           "flag":1,
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|           "calc_type": {
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|             "type":"NULL",
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|             "collation":"invalid_type",
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|             "coercibility":"INVALID"
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|           }
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|         },
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|         "expr_info": [
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|           "IS_COLUMN",
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|           "CNT_COLUMN"
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|         ],
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|         "rel_id": [
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|           1
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|         ],
 | |
|         "table_id":-2,
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|         "column_id":19,
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|         "database_name":"",
 | |
|         "table_name":"subquery_alias",
 | |
|         "synonym_name":"",
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|         "column_name":"Key",
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|         "expr_level":0,
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|         "expr_levels": [
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|           0
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|         ],
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|         "column_flags":0,
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|         "is_explicited_referece":true,
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|         "explicited_ref_count":1,
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|         "enum_set_values": [
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|         ],
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|         "is_lob_column":false
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|       }
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|     },
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|      {
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|       "column_id":20,
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|       "table_id":-2,
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|       "column":"Default",
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|       "auto_filled_timestamp":false,
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|       "default_value": {
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|         "NULL":"NULL"
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|       },
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|       "base_tid":1099511637778,
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|       "base_cid":22,
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|       "expression": {
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|         "item_type":"T_REF_COLUMN",
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|         "result_type": {
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|           "meta": {
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|             "type":"VARCHAR",
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|             "collation":"utf8mb4_general_ci",
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|             "coercibility":"IMPLICIT"
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|           },
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|           "accuracy": {
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|             "precision":-1,
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|             "scale":-1
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|           "calc_type": {
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|             "type":"NULL",
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|             "collation":"invalid_type",
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|             "coercibility":"INVALID"
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|           }
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|         },
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|         "expr_info": [
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|           "IS_COLUMN",
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|           "CNT_COLUMN"
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|         ],
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|         "rel_id": [
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|           1
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|         ],
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|         "table_id":-2,
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|         "column_id":20,
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|         "database_name":"",
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|         "table_name":"subquery_alias",
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|         "synonym_name":"",
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|         "column_name":"Default",
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|         "expr_level":0,
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|         "expr_levels": [
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|           0
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|         ],
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|         "column_flags":0,
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|         "enum_set_values": [
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|         ],
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|         "is_lob_column":false
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|       }
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|     },
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|      {
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|       "column_id":21,
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|       "table_id":-2,
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|       "column":"Extra",
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|       "auto_filled_timestamp":false,
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|       "default_value": {
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|         "NULL":"NULL"
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|       },
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|       "base_tid":1099511637778,
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|       "base_cid":23,
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|       "expression": {
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|         "item_type":"T_REF_COLUMN",
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|         "result_type": {
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|           "meta": {
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|             "type":"VARCHAR",
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|             "collation":"utf8mb4_general_ci",
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|             "coercibility":"IMPLICIT"
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|           },
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|           "accuracy": {
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|             "type":"NULL",
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|             "collation":"invalid_type",
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|             "coercibility":"INVALID"
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|           }
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|         },
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|         "expr_info": [
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|           "IS_COLUMN",
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|           "CNT_COLUMN"
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|         ],
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|         "rel_id": [
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|           1
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|         ],
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|         "table_id":-2,
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|         "column_id":21,
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|         "database_name":"",
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|         "table_name":"subquery_alias",
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|         "synonym_name":"",
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|         "column_name":"Extra",
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|         "expr_level":0,
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|         "expr_levels": [
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|           0
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|         ],
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|         "column_flags":0,
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|         "is_explicited_referece":true,
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|         "explicited_ref_count":1,
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|         "enum_set_values": [
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|         ],
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|         "is_lob_column":false
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|       }
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|     }
 | |
|   ],
 | |
|   "select": [
 | |
|      {
 | |
|       "expression": {
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|         "item_type":"T_REF_COLUMN",
 | |
|         "result_type": {
 | |
|           "meta": {
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|             "type":"VARCHAR",
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|             "collation":"utf8mb4_general_ci",
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|             "coercibility":"IMPLICIT"
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|           },
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|             "scale":-1
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|           },
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|         },
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|         "expr_info": [
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|           "IS_COLUMN",
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|           "CNT_COLUMN"
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|         ],
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|         "rel_id": [
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|           1
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|         ],
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|         "table_id":-2,
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|         "column_id":16,
 | |
|         "database_name":"",
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|         "table_name":"subquery_alias",
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|         "synonym_name":"",
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|         "column_name":"Field",
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|         "expr_level":0,
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|         "expr_levels": [
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|           0
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|         ],
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|         "column_flags":0,
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|         "enum_set_values": [
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|         ],
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|         "is_lob_column":false
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|       },
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|       "is_alias":false,
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|       "alias_name":"Field",
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|       "expr_name":"Field",
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|       "default": {
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|         "NULL":"NULL"
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|       }
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|     },
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|      {
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|       "expression": {
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|         "item_type":"T_REF_COLUMN",
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|         "result_type": {
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|           "meta": {
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|             "type":"VARCHAR",
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|             "collation":"utf8mb4_general_ci",
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|             "coercibility":"IMPLICIT"
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|           },
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|         "table_id":-2,
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|         "column_id":17,
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|         "table_name":"subquery_alias",
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|         "expr_level":0,
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|      {
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|       "expression": {
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|         "item_type":"T_REF_COLUMN",
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|         "result_type": {
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|         "column_id":18,
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|         "table_name":"subquery_alias",
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|       "alias_name":"Null",
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|       "expr_name":"Null",
 | |
|       "default": {
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|         "NULL":"NULL"
 | |
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|     },
 | |
|      {
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|       "expression": {
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|         "item_type":"T_REF_COLUMN",
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|         "result_type": {
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|           "meta": {
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|             "type":"VARCHAR",
 | |
|             "collation":"utf8mb4_general_ci",
 | |
|             "coercibility":"IMPLICIT"
 | |
|           },
 | |
|           "accuracy": {
 | |
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 | |
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 | |
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|           "calc_type": {
 | |
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 | |
|             "collation":"invalid_type",
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|             "coercibility":"INVALID"
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|         },
 | |
|         "expr_info": [
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|           "IS_COLUMN",
 | |
|           "CNT_COLUMN"
 | |
|         ],
 | |
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|           1
 | |
|         ],
 | |
|         "table_id":-2,
 | |
|         "column_id":19,
 | |
|         "database_name":"",
 | |
|         "table_name":"subquery_alias",
 | |
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 | |
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 | |
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 | |
|       },
 | |
|       "is_alias":false,
 | |
|       "alias_name":"Key",
 | |
|       "expr_name":"Key",
 | |
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 | |
|             "explicited_ref_count":1,
 | |
|             "enum_set_values": [
 | |
|             ],
 | |
|             "is_lob_column":false
 | |
|           }
 | |
|         }
 | |
|       ],
 | |
|       "select": [
 | |
|          {
 | |
|           "expression": {
 | |
|             "item_type":"T_REF_COLUMN",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"VARCHAR",
 | |
|                 "collation":"utf8mb4_general_ci",
 | |
|                 "coercibility":"IMPLICIT"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":128,
 | |
|                 "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":1099511637778,
 | |
|             "column_id":17,
 | |
|             "database_name":"oceanbase",
 | |
|             "table_name":"__tenant_virtual_table_column",
 | |
|             "synonym_name":"",
 | |
|             "column_name":"field",
 | |
|             "expr_level":0,
 | |
|             "expr_levels": [
 | |
|               0
 | |
|             ],
 | |
|             "column_flags":17179869184,
 | |
|             "is_explicited_referece":true,
 | |
|             "explicited_ref_count":1,
 | |
|             "enum_set_values": [
 | |
|             ],
 | |
|             "is_lob_column":false
 | |
|           },
 | |
|           "is_alias":true,
 | |
|           "alias_name":"Field",
 | |
|           "expr_name":"field",
 | |
|           "default": {
 | |
|             "NULL":"NULL"
 | |
|           }
 | |
|         },
 | |
|          {
 | |
|           "expression": {
 | |
|             "item_type":"T_REF_COLUMN",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"VARCHAR",
 | |
|                 "collation":"utf8mb4_general_ci",
 | |
|                 "coercibility":"IMPLICIT"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":64,
 | |
|                 "precision":-1,
 | |
|                 "scale":-1
 | |
|               },
 | |
|               "flag":1,
 | |
|               "calc_type": {
 | |
|                 "type":"NULL",
 | |
|                 "collation":"invalid_type",
 | |
|                 "coercibility":"INVALID"
 | |
|               }
 | |
|             },
 | |
|             "expr_info": [
 | |
|               "IS_COLUMN",
 | |
|               "CNT_COLUMN"
 | |
|             ],
 | |
|             "rel_id": [
 | |
|               1
 | |
|             ],
 | |
|             "table_id":1099511637778,
 | |
|             "column_id":18,
 | |
|             "database_name":"oceanbase",
 | |
|             "table_name":"__tenant_virtual_table_column",
 | |
|             "synonym_name":"",
 | |
|             "column_name":"type",
 | |
|             "expr_level":0,
 | |
|             "expr_levels": [
 | |
|               0
 | |
|             ],
 | |
|             "column_flags":17179869184,
 | |
|             "is_explicited_referece":true,
 | |
|             "explicited_ref_count":1,
 | |
|             "enum_set_values": [
 | |
|             ],
 | |
|             "is_lob_column":false
 | |
|           },
 | |
|           "is_alias":true,
 | |
|           "alias_name":"Type",
 | |
|           "expr_name":"type",
 | |
|           "default": {
 | |
|             "NULL":"NULL"
 | |
|           }
 | |
|         },
 | |
|          {
 | |
|           "expression": {
 | |
|             "item_type":"T_REF_COLUMN",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"VARCHAR",
 | |
|                 "collation":"utf8mb4_general_ci",
 | |
|                 "coercibility":"IMPLICIT"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":4,
 | |
|                 "precision":-1,
 | |
|                 "scale":-1
 | |
|               },
 | |
|               "flag":1,
 | |
|               "calc_type": {
 | |
|                 "type":"NULL",
 | |
|                 "collation":"invalid_type",
 | |
|                 "coercibility":"INVALID"
 | |
|               }
 | |
|             },
 | |
|             "expr_info": [
 | |
|               "IS_COLUMN",
 | |
|               "CNT_COLUMN"
 | |
|             ],
 | |
|             "rel_id": [
 | |
|               1
 | |
|             ],
 | |
|             "table_id":1099511637778,
 | |
|             "column_id":20,
 | |
|             "database_name":"oceanbase",
 | |
|             "table_name":"__tenant_virtual_table_column",
 | |
|             "synonym_name":"",
 | |
|             "column_name":"null",
 | |
|             "expr_level":0,
 | |
|             "expr_levels": [
 | |
|               0
 | |
|             ],
 | |
|             "column_flags":17179869184,
 | |
|             "is_explicited_referece":true,
 | |
|             "explicited_ref_count":1,
 | |
|             "enum_set_values": [
 | |
|             ],
 | |
|             "is_lob_column":false
 | |
|           },
 | |
|           "is_alias":true,
 | |
|           "alias_name":"Null",
 | |
|           "expr_name":"`NULL`",
 | |
|           "default": {
 | |
|             "NULL":"NULL"
 | |
|           }
 | |
|         },
 | |
|          {
 | |
|           "expression": {
 | |
|             "item_type":"T_REF_COLUMN",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"VARCHAR",
 | |
|                 "collation":"utf8mb4_general_ci",
 | |
|                 "coercibility":"IMPLICIT"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":4,
 | |
|                 "precision":-1,
 | |
|                 "scale":-1
 | |
|               },
 | |
|               "flag":1,
 | |
|               "calc_type": {
 | |
|                 "type":"NULL",
 | |
|                 "collation":"invalid_type",
 | |
|                 "coercibility":"INVALID"
 | |
|               }
 | |
|             },
 | |
|             "expr_info": [
 | |
|               "IS_COLUMN",
 | |
|               "CNT_COLUMN"
 | |
|             ],
 | |
|             "rel_id": [
 | |
|               1
 | |
|             ],
 | |
|             "table_id":1099511637778,
 | |
|             "column_id":21,
 | |
|             "database_name":"oceanbase",
 | |
|             "table_name":"__tenant_virtual_table_column",
 | |
|             "synonym_name":"",
 | |
|             "column_name":"key",
 | |
|             "expr_level":0,
 | |
|             "expr_levels": [
 | |
|               0
 | |
|             ],
 | |
|             "column_flags":17179869184,
 | |
|             "is_explicited_referece":true,
 | |
|             "explicited_ref_count":1,
 | |
|             "enum_set_values": [
 | |
|             ],
 | |
|             "is_lob_column":false
 | |
|           },
 | |
|           "is_alias":true,
 | |
|           "alias_name":"Key",
 | |
|           "expr_name":"`KEY`",
 | |
|           "default": {
 | |
|             "NULL":"NULL"
 | |
|           }
 | |
|         },
 | |
|          {
 | |
|           "expression": {
 | |
|             "item_type":"T_REF_COLUMN",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"VARCHAR",
 | |
|                 "collation":"utf8mb4_general_ci",
 | |
|                 "coercibility":"IMPLICIT"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":4096,
 | |
|                 "precision":-1,
 | |
|                 "scale":-1
 | |
|               },
 | |
|               "flag":1,
 | |
|               "calc_type": {
 | |
|                 "type":"NULL",
 | |
|                 "collation":"invalid_type",
 | |
|                 "coercibility":"INVALID"
 | |
|               }
 | |
|             },
 | |
|             "expr_info": [
 | |
|               "IS_COLUMN",
 | |
|               "CNT_COLUMN"
 | |
|             ],
 | |
|             "rel_id": [
 | |
|               1
 | |
|             ],
 | |
|             "table_id":1099511637778,
 | |
|             "column_id":22,
 | |
|             "database_name":"oceanbase",
 | |
|             "table_name":"__tenant_virtual_table_column",
 | |
|             "synonym_name":"",
 | |
|             "column_name":"default",
 | |
|             "expr_level":0,
 | |
|             "expr_levels": [
 | |
|               0
 | |
|             ],
 | |
|             "column_flags":17179869184,
 | |
|             "is_explicited_referece":true,
 | |
|             "explicited_ref_count":1,
 | |
|             "enum_set_values": [
 | |
|             ],
 | |
|             "is_lob_column":false
 | |
|           },
 | |
|           "is_alias":true,
 | |
|           "alias_name":"Default",
 | |
|           "expr_name":"`DEFAULT`",
 | |
|           "default": {
 | |
|             "NULL":"NULL"
 | |
|           }
 | |
|         },
 | |
|          {
 | |
|           "expression": {
 | |
|             "item_type":"T_REF_COLUMN",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"VARCHAR",
 | |
|                 "collation":"utf8mb4_general_ci",
 | |
|                 "coercibility":"IMPLICIT"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":4096,
 | |
|                 "precision":-1,
 | |
|                 "scale":-1
 | |
|               },
 | |
|               "flag":1,
 | |
|               "calc_type": {
 | |
|                 "type":"NULL",
 | |
|                 "collation":"invalid_type",
 | |
|                 "coercibility":"INVALID"
 | |
|               }
 | |
|             },
 | |
|             "expr_info": [
 | |
|               "IS_COLUMN",
 | |
|               "CNT_COLUMN"
 | |
|             ],
 | |
|             "rel_id": [
 | |
|               1
 | |
|             ],
 | |
|             "table_id":1099511637778,
 | |
|             "column_id":23,
 | |
|             "database_name":"oceanbase",
 | |
|             "table_name":"__tenant_virtual_table_column",
 | |
|             "synonym_name":"",
 | |
|             "column_name":"extra",
 | |
|             "expr_level":0,
 | |
|             "expr_levels": [
 | |
|               0
 | |
|             ],
 | |
|             "column_flags":17179869184,
 | |
|             "is_explicited_referece":true,
 | |
|             "explicited_ref_count":1,
 | |
|             "enum_set_values": [
 | |
|             ],
 | |
|             "is_lob_column":false
 | |
|           },
 | |
|           "is_alias":true,
 | |
|           "alias_name":"Extra",
 | |
|           "expr_name":"extra",
 | |
|           "default": {
 | |
|             "NULL":"NULL"
 | |
|           }
 | |
|         }
 | |
|       ],
 | |
|       "distinct":false,
 | |
|       "rollup":false,
 | |
|       "nocycle":false,
 | |
|       "from": [
 | |
|          {
 | |
|           "table_id":1099511637778,
 | |
|           "is_join":false
 | |
|         }
 | |
|       ],
 | |
|       "start_with": [
 | |
|       ],
 | |
|       "connect_by": [
 | |
|       ],
 | |
|       "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":"BIGINT",
 | |
|               "collation":"binary",
 | |
|               "coercibility":"NUMERIC"
 | |
|             }
 | |
|           },
 | |
|           "expr_info": [
 | |
|             "CNT_CONST",
 | |
|             "CNT_COLUMN",
 | |
|             "IS_SIMPLE_COND"
 | |
|           ],
 | |
|           "rel_id": [
 | |
|             1
 | |
|           ],
 | |
|           "expr_levels": [
 | |
|             0
 | |
|           ],
 | |
|           "children": [
 | |
|              {
 | |
|               "item_type":"T_REF_COLUMN",
 | |
|               "result_type": {
 | |
|                 "meta": {
 | |
|                   "type":"BIGINT",
 | |
|                   "collation":"binary",
 | |
|                   "coercibility":"NUMERIC"
 | |
|                 },
 | |
|                 "accuracy": {
 | |
|                   "length":-1,
 | |
|                   "precision":20,
 | |
|                   "scale":0
 | |
|                 },
 | |
|                 "flag":16387,
 | |
|                 "calc_type": {
 | |
|                   "type":"NULL",
 | |
|                   "collation":"invalid_type",
 | |
|                   "coercibility":"INVALID"
 | |
|                 }
 | |
|               },
 | |
|               "expr_info": [
 | |
|                 "IS_COLUMN",
 | |
|                 "CNT_COLUMN"
 | |
|               ],
 | |
|               "rel_id": [
 | |
|                 1
 | |
|               ],
 | |
|               "table_id":1099511637778,
 | |
|               "column_id":16,
 | |
|               "database_name":"oceanbase",
 | |
|               "table_name":"__tenant_virtual_table_column",
 | |
|               "synonym_name":"",
 | |
|               "column_name":"table_id",
 | |
|               "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":13,
 | |
|                   "precision":13,
 | |
|                   "scale":0
 | |
|                 },
 | |
|                 "flag":1,
 | |
|                 "calc_type": {
 | |
|                   "type":"NULL",
 | |
|                   "collation":"invalid_type",
 | |
|                   "coercibility":"INVALID"
 | |
|                 }
 | |
|               },
 | |
|               "expr_info": [
 | |
|                 "IS_CONST",
 | |
|                 "CNT_CONST"
 | |
|               ],
 | |
|               "rel_id": [
 | |
|               ],
 | |
|               "value": {
 | |
|                 "BIGINT":1099511677777
 | |
|               }
 | |
|             }
 | |
|           ]
 | |
|         }
 | |
|       ],
 | |
|       "group_by": [
 | |
|       ],
 | |
|       "having": [
 | |
|       ],
 | |
|       "aggr_func": [
 | |
|       ],
 | |
|       "order_by": [
 | |
|       ],
 | |
|       "limit":null,
 | |
|       "offset":null,
 | |
|       "show_stmt_ctx": {
 | |
|         "is_from_show_stmt":false,
 | |
|         "global_scope":false,
 | |
|         "tenant_id":-1,
 | |
|         "show_database_id":-1,
 | |
|         "show_table_id":-1,
 | |
|         "grants_user_id":-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":0,
 | |
|         "fetch_cur_time":true,
 | |
|         "calculable_items": [
 | |
|         ]
 | |
|       },
 | |
|       "extra_output_exprs": [
 | |
|       ],
 | |
|       "current_level":0,
 | |
|       "equal_sets": [
 | |
|       ],
 | |
|       "pseudo_column_exprs": [
 | |
|       ],
 | |
|       "child_stmts": [
 | |
|       ],
 | |
|       "has_transformed_for_hierarchical_query":false,
 | |
|       "is_hierarchical_query":false
 | |
|     }
 | |
|   ],
 | |
|   "has_transformed_for_hierarchical_query":false,
 | |
|   "is_hierarchical_query":false
 | |
| }
 | |
| ***************   Case 5   ***************
 | |
| show databases
 | |
| {
 | |
|   "stmt_type":1,
 | |
|   "table": [
 | |
|      {
 | |
|       "table_id":-2,
 | |
|       "table_name":"subquery_alias",
 | |
|       "alias_name":"subquery_alias",
 | |
|       "synonym_name":"",
 | |
|       "table_type":2,
 | |
|       "ref_id":-1,
 | |
|       "database_name":"",
 | |
|       "for_update":false,
 | |
|       "wait":-1,
 | |
|       "mock_id":-1,
 | |
|       "view_base_item":-1
 | |
|     }
 | |
|   ],
 | |
|   "joined_table": [
 | |
|   ],
 | |
|   "partition_express": [
 | |
|   ],
 | |
|   "column": [
 | |
|      {
 | |
|       "column_id":16,
 | |
|       "table_id":-2,
 | |
|       "column":"Database",
 | |
|       "auto_filled_timestamp":false,
 | |
|       "default_value": {
 | |
|         "VARCHAR":"",
 | |
|         "collation":"utf8mb4_general_ci"
 | |
|       },
 | |
|       "base_tid":1099511627880,
 | |
|       "base_cid":20,
 | |
|       "expression": {
 | |
|         "item_type":"T_REF_COLUMN",
 | |
|         "result_type": {
 | |
|           "meta": {
 | |
|             "type":"VARCHAR",
 | |
|             "collation":"utf8mb4_general_ci",
 | |
|             "coercibility":"IMPLICIT"
 | |
|           },
 | |
|           "accuracy": {
 | |
|             "length":128,
 | |
|             "precision":-1,
 | |
|             "scale":-1
 | |
|           },
 | |
|           "flag":1,
 | |
|           "calc_type": {
 | |
|             "type":"NULL",
 | |
|             "collation":"invalid_type",
 | |
|             "coercibility":"INVALID"
 | |
|           }
 | |
|         },
 | |
|         "expr_info": [
 | |
|           "IS_COLUMN",
 | |
|           "CNT_COLUMN"
 | |
|         ],
 | |
|         "rel_id": [
 | |
|           1
 | |
|         ],
 | |
|         "table_id":-2,
 | |
|         "column_id":16,
 | |
|         "database_name":"",
 | |
|         "table_name":"subquery_alias",
 | |
|         "synonym_name":"",
 | |
|         "column_name":"Database",
 | |
|         "expr_level":0,
 | |
|         "expr_levels": [
 | |
|           0
 | |
|         ],
 | |
|         "column_flags":0,
 | |
|         "is_explicited_referece":true,
 | |
|         "explicited_ref_count":1,
 | |
|         "enum_set_values": [
 | |
|         ],
 | |
|         "is_lob_column":false
 | |
|       }
 | |
|     }
 | |
|   ],
 | |
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|   "has_transformed_for_hierarchical_query":false,
 | |
|   "is_hierarchical_query":false
 | |
| }
 | |
| ***************   Case 6   ***************
 | |
| show databases like 'ocean%'
 | |
| {
 | |
|   "stmt_type":1,
 | |
|   "table": [
 | |
|      {
 | |
|       "table_id":-2,
 | |
|       "table_name":"subquery_alias",
 | |
|       "alias_name":"subquery_alias",
 | |
|       "synonym_name":"",
 | |
|       "table_type":2,
 | |
|       "ref_id":-1,
 | |
|       "database_name":"",
 | |
|       "for_update":false,
 | |
|       "wait":-1,
 | |
|       "mock_id":-1,
 | |
|       "view_base_item":-1
 | |
|     }
 | |
|   ],
 | |
|   "joined_table": [
 | |
|   ],
 | |
|   "partition_express": [
 | |
|   ],
 | |
|   "column": [
 | |
|      {
 | |
|       "column_id":16,
 | |
|       "table_id":-2,
 | |
|       "column":"Database",
 | |
|       "auto_filled_timestamp":false,
 | |
|       "default_value": {
 | |
|         "VARCHAR":"",
 | |
|         "collation":"utf8mb4_general_ci"
 | |
|       },
 | |
|       "base_tid":1099511627880,
 | |
|       "base_cid":20,
 | |
|       "expression": {
 | |
|         "item_type":"T_REF_COLUMN",
 | |
|         "result_type": {
 | |
|           "meta": {
 | |
|             "type":"VARCHAR",
 | |
|             "collation":"utf8mb4_general_ci",
 | |
|             "coercibility":"IMPLICIT"
 | |
|           },
 | |
|           "accuracy": {
 | |
|             "length":128,
 | |
|             "precision":-1,
 | |
|             "scale":-1
 | |
|           },
 | |
|           "flag":1,
 | |
|           "calc_type": {
 | |
|             "type":"NULL",
 | |
|             "collation":"invalid_type",
 | |
|             "coercibility":"INVALID"
 | |
|           }
 | |
|         },
 | |
|         "expr_info": [
 | |
|           "IS_COLUMN",
 | |
|           "CNT_COLUMN"
 | |
|         ],
 | |
|         "rel_id": [
 | |
|           1
 | |
|         ],
 | |
|         "table_id":-2,
 | |
|         "column_id":16,
 | |
|         "database_name":"",
 | |
|         "table_name":"subquery_alias",
 | |
|         "synonym_name":"",
 | |
|         "column_name":"Database",
 | |
|         "expr_level":0,
 | |
|         "expr_levels": [
 | |
|           0
 | |
|         ],
 | |
|         "column_flags":0,
 | |
|         "is_explicited_referece":true,
 | |
|         "explicited_ref_count":2,
 | |
|         "enum_set_values": [
 | |
|         ],
 | |
|         "is_lob_column":false
 | |
|       }
 | |
|     }
 | |
|   ],
 | |
|   "select": [
 | |
|      {
 | |
|       "expression": {
 | |
|         "item_type":"T_REF_COLUMN",
 | |
|         "result_type": {
 | |
|           "meta": {
 | |
|             "type":"VARCHAR",
 | |
|             "collation":"utf8mb4_general_ci",
 | |
|             "coercibility":"IMPLICIT"
 | |
|           },
 | |
|           "accuracy": {
 | |
|             "length":128,
 | |
|             "precision":-1,
 | |
|             "scale":-1
 | |
|           },
 | |
|           "flag":1,
 | |
|           "calc_type": {
 | |
|             "type":"NULL",
 | |
|             "collation":"invalid_type",
 | |
|             "coercibility":"INVALID"
 | |
|           }
 | |
|         },
 | |
|         "expr_info": [
 | |
|           "IS_COLUMN",
 | |
|           "CNT_COLUMN"
 | |
|         ],
 | |
|         "rel_id": [
 | |
|           1
 | |
|         ],
 | |
|         "table_id":-2,
 | |
|         "column_id":16,
 | |
|         "database_name":"",
 | |
|         "table_name":"subquery_alias",
 | |
|         "synonym_name":"",
 | |
|         "column_name":"Database",
 | |
|         "expr_level":0,
 | |
|         "expr_levels": [
 | |
|           0
 | |
|         ],
 | |
|         "column_flags":0,
 | |
|         "is_explicited_referece":true,
 | |
|         "explicited_ref_count":2,
 | |
|         "enum_set_values": [
 | |
|         ],
 | |
|         "is_lob_column":false
 | |
|       },
 | |
|       "is_alias":true,
 | |
|       "alias_name":"Database (ocean%)",
 | |
|       "expr_name":"`Database`",
 | |
|       "default": {
 | |
|         "VARCHAR":"",
 | |
|         "collation":"utf8mb4_general_ci"
 | |
|       }
 | |
|     }
 | |
|   ],
 | |
|   "distinct":false,
 | |
|   "rollup":false,
 | |
|   "nocycle":false,
 | |
|   "from": [
 | |
|      {
 | |
|       "table_id":-2,
 | |
|       "is_join":false
 | |
|     }
 | |
|   ],
 | |
|   "start_with": [
 | |
|   ],
 | |
|   "connect_by": [
 | |
|   ],
 | |
|   "where": [
 | |
|      {
 | |
|       "item_type":"T_OP_LIKE",
 | |
|       "result_type": {
 | |
|         "meta": {
 | |
|           "type":"BIGINT",
 | |
|           "collation":"binary",
 | |
|           "coercibility":"NUMERIC"
 | |
|         },
 | |
|         "accuracy": {
 | |
|           "length":-1,
 | |
|           "precision":1,
 | |
|           "scale":0
 | |
|         },
 | |
|         "flag":1,
 | |
|         "calc_type": {
 | |
|           "type":"VARCHAR",
 | |
|           "collation":"utf8mb4_general_ci",
 | |
|           "coercibility":"IMPLICIT"
 | |
|         }
 | |
|       },
 | |
|       "expr_info": [
 | |
|         "CNT_CONST",
 | |
|         "CNT_COLUMN"
 | |
|       ],
 | |
|       "rel_id": [
 | |
|         1
 | |
|       ],
 | |
|       "expr_levels": [
 | |
|         0
 | |
|       ],
 | |
|       "children": [
 | |
|          {
 | |
|           "item_type":"T_REF_COLUMN",
 | |
|           "result_type": {
 | |
|             "meta": {
 | |
|               "type":"VARCHAR",
 | |
|               "collation":"utf8mb4_general_ci",
 | |
|               "coercibility":"IMPLICIT"
 | |
|             },
 | |
|             "accuracy": {
 | |
|               "length":128,
 | |
|               "precision":-1,
 | |
|               "scale":-1
 | |
|             },
 | |
|             "flag":1,
 | |
|             "calc_type": {
 | |
|               "type":"NULL",
 | |
|               "collation":"invalid_type",
 | |
|               "coercibility":"INVALID"
 | |
|             }
 | |
|           },
 | |
|           "expr_info": [
 | |
|             "IS_COLUMN",
 | |
|             "CNT_COLUMN"
 | |
|           ],
 | |
|           "rel_id": [
 | |
|             1
 | |
|           ],
 | |
|           "table_id":-2,
 | |
|           "column_id":16,
 | |
|           "database_name":"",
 | |
|           "table_name":"subquery_alias",
 | |
|           "synonym_name":"",
 | |
|           "column_name":"Database",
 | |
|           "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_VARCHAR",
 | |
|           "result_type": {
 | |
|             "meta": {
 | |
|               "type":"VARCHAR",
 | |
|               "collation":"utf8mb4_general_ci",
 | |
|               "coercibility":"IMPLICIT"
 | |
|             },
 | |
|             "accuracy": {
 | |
|               "length":-1,
 | |
|               "precision":-1,
 | |
|               "scale":-1
 | |
|             },
 | |
|             "flag":1,
 | |
|             "calc_type": {
 | |
|               "type":"NULL",
 | |
|               "collation":"invalid_type",
 | |
|               "coercibility":"INVALID"
 | |
|             }
 | |
|           },
 | |
|           "expr_info": [
 | |
|             "IS_CONST",
 | |
|             "CNT_CONST"
 | |
|           ],
 | |
|           "rel_id": [
 | |
|           ],
 | |
|           "value": {
 | |
|             "VARCHAR":"ocean%",
 | |
|             "collation":"utf8mb4_general_ci"
 | |
|           }
 | |
|         },
 | |
|          {
 | |
|           "item_type":"T_VARCHAR",
 | |
|           "result_type": {
 | |
|             "meta": {
 | |
|               "type":"VARCHAR",
 | |
|               "collation":"utf8mb4_general_ci",
 | |
|               "coercibility":"IMPLICIT"
 | |
|             },
 | |
|             "accuracy": {
 | |
|               "length":-1,
 | |
|               "precision":-1,
 | |
|               "scale":-1
 | |
|             },
 | |
|             "flag":1,
 | |
|             "calc_type": {
 | |
|               "type":"NULL",
 | |
|               "collation":"invalid_type",
 | |
|               "coercibility":"INVALID"
 | |
|             }
 | |
|           },
 | |
|           "expr_info": [
 | |
|             "IS_CONST",
 | |
|             "CNT_CONST"
 | |
|           ],
 | |
|           "rel_id": [
 | |
|           ],
 | |
|           "value": {
 | |
|             "VARCHAR":"\",
 | |
|             "collation":"utf8mb4_general_ci"
 | |
|           }
 | |
|         }
 | |
|       ]
 | |
|     }
 | |
|   ],
 | |
|   "group_by": [
 | |
|   ],
 | |
|   "having": [
 | |
|   ],
 | |
|   "aggr_func": [
 | |
|   ],
 | |
|   "order_by": [
 | |
|   ],
 | |
|   "limit":null,
 | |
|   "offset":null,
 | |
|   "show_stmt_ctx": {
 | |
|     "is_from_show_stmt":true,
 | |
|     "global_scope":false,
 | |
|     "tenant_id":-1,
 | |
|     "show_database_id":-1,
 | |
|     "show_table_id":-1,
 | |
|     "grants_user_id":-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":0,
 | |
|     "fetch_cur_time":true,
 | |
|     "calculable_items": [
 | |
|     ]
 | |
|   },
 | |
|   "extra_output_exprs": [
 | |
|   ],
 | |
|   "current_level":0,
 | |
|   "equal_sets": [
 | |
|   ],
 | |
|   "pseudo_column_exprs": [
 | |
|   ],
 | |
|   "child_stmts": [
 | |
|      {
 | |
|       "stmt_type":1,
 | |
|       "table": [
 | |
|          {
 | |
|           "table_id":1099511627880,
 | |
|           "table_name":"__all_database",
 | |
|           "alias_name":"",
 | |
|           "synonym_name":"",
 | |
|           "table_type":0,
 | |
|           "ref_id":1099511627880,
 | |
|           "database_name":"oceanbase",
 | |
|           "for_update":false,
 | |
|           "wait":-1,
 | |
|           "mock_id":-1,
 | |
|           "view_base_item":-1
 | |
|         }
 | |
|       ],
 | |
|       "joined_table": [
 | |
|       ],
 | |
|       "partition_express": [
 | |
|          {
 | |
|           "table_id":1099511627880,
 | |
|           "index_tid":1099511627880,
 | |
|           "part_expr": {
 | |
|             "item_type":"T_FUN_SYS_PART_KEY_V1",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"BIGINT",
 | |
|                 "collation":"binary",
 | |
|                 "coercibility":"NUMERIC"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":-1,
 | |
|                 "precision":20,
 | |
|                 "scale":0
 | |
|               },
 | |
|               "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",
 | |
|             "children": [
 | |
|                {
 | |
|                 "item_type":"T_REF_COLUMN",
 | |
|                 "result_type": {
 | |
|                   "meta": {
 | |
|                     "type":"BIGINT",
 | |
|                     "collation":"binary",
 | |
|                     "coercibility":"NUMERIC"
 | |
|                   },
 | |
|                   "accuracy": {
 | |
|                     "length":-1,
 | |
|                     "precision":20,
 | |
|                     "scale":0
 | |
|                   },
 | |
|                   "flag":16387,
 | |
|                   "calc_type": {
 | |
|                     "type":"NULL",
 | |
|                     "collation":"invalid_type",
 | |
|                     "coercibility":"INVALID"
 | |
|                   }
 | |
|                 },
 | |
|                 "expr_info": [
 | |
|                   "IS_COLUMN",
 | |
|                   "CNT_COLUMN"
 | |
|                 ],
 | |
|                 "rel_id": [
 | |
|                   1
 | |
|                 ],
 | |
|                 "table_id":1099511627880,
 | |
|                 "column_id":18,
 | |
|                 "database_name":"oceanbase",
 | |
|                 "table_name":"__all_database",
 | |
|                 "synonym_name":"",
 | |
|                 "column_name":"tenant_id",
 | |
|                 "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":18,
 | |
|           "table_id":1099511627880,
 | |
|           "column":"tenant_id",
 | |
|           "auto_filled_timestamp":false,
 | |
|           "default_value": {
 | |
|             "NULL":"NULL"
 | |
|           },
 | |
|           "base_tid":1099511627880,
 | |
|           "base_cid":18,
 | |
|           "expression": {
 | |
|             "item_type":"T_REF_COLUMN",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"BIGINT",
 | |
|                 "collation":"binary",
 | |
|                 "coercibility":"NUMERIC"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":-1,
 | |
|                 "precision":20,
 | |
|                 "scale":0
 | |
|               },
 | |
|               "flag":16387,
 | |
|               "calc_type": {
 | |
|                 "type":"NULL",
 | |
|                 "collation":"invalid_type",
 | |
|                 "coercibility":"INVALID"
 | |
|               }
 | |
|             },
 | |
|             "expr_info": [
 | |
|               "IS_COLUMN",
 | |
|               "CNT_COLUMN"
 | |
|             ],
 | |
|             "rel_id": [
 | |
|               1
 | |
|             ],
 | |
|             "table_id":1099511627880,
 | |
|             "column_id":18,
 | |
|             "database_name":"oceanbase",
 | |
|             "table_name":"__all_database",
 | |
|             "synonym_name":"",
 | |
|             "column_name":"tenant_id",
 | |
|             "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":28,
 | |
|           "table_id":1099511627880,
 | |
|           "column":"in_recyclebin",
 | |
|           "auto_filled_timestamp":false,
 | |
|           "default_value": {
 | |
|             "BIGINT":0
 | |
|           },
 | |
|           "base_tid":1099511627880,
 | |
|           "base_cid":28,
 | |
|           "expression": {
 | |
|             "item_type":"T_REF_COLUMN",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"BIGINT",
 | |
|                 "collation":"binary",
 | |
|                 "coercibility":"NUMERIC"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":-1,
 | |
|                 "precision":20,
 | |
|                 "scale":0
 | |
|               },
 | |
|               "flag":1,
 | |
|               "calc_type": {
 | |
|                 "type":"NULL",
 | |
|                 "collation":"invalid_type",
 | |
|                 "coercibility":"INVALID"
 | |
|               }
 | |
|             },
 | |
|             "expr_info": [
 | |
|               "IS_COLUMN",
 | |
|               "CNT_COLUMN"
 | |
|             ],
 | |
|             "rel_id": [
 | |
|               1
 | |
|             ],
 | |
|             "table_id":1099511627880,
 | |
|             "column_id":28,
 | |
|             "database_name":"oceanbase",
 | |
|             "table_name":"__all_database",
 | |
|             "synonym_name":"",
 | |
|             "column_name":"in_recyclebin",
 | |
|             "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":20,
 | |
|           "table_id":1099511627880,
 | |
|           "column":"database_name",
 | |
|           "auto_filled_timestamp":false,
 | |
|           "default_value": {
 | |
|             "VARCHAR":"",
 | |
|             "collation":"utf8mb4_general_ci"
 | |
|           },
 | |
|           "base_tid":1099511627880,
 | |
|           "base_cid":20,
 | |
|           "expression": {
 | |
|             "item_type":"T_REF_COLUMN",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"VARCHAR",
 | |
|                 "collation":"utf8mb4_general_ci",
 | |
|                 "coercibility":"IMPLICIT"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":128,
 | |
|                 "precision":-1,
 | |
|                 "scale":-1
 | |
|               },
 | |
|               "flag":1,
 | |
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|                     },
 | |
|                     "flag":1,
 | |
|                     "calc_type": {
 | |
|                       "type":"NULL",
 | |
|                       "collation":"invalid_type",
 | |
|                       "coercibility":"INVALID"
 | |
|                     }
 | |
|                   },
 | |
|                   "expr_info": [
 | |
|                     "IS_CONST",
 | |
|                     "CNT_CONST"
 | |
|                   ],
 | |
|                   "rel_id": [
 | |
|                   ],
 | |
|                   "value": {
 | |
|                     "VARCHAR":"db_acc",
 | |
|                     "collation":"utf8mb4_general_ci"
 | |
|                   }
 | |
|                 },
 | |
|                  {
 | |
|                   "item_type":"T_REF_COLUMN",
 | |
|                   "result_type": {
 | |
|                     "meta": {
 | |
|                       "type":"BIGINT",
 | |
|                       "collation":"binary",
 | |
|                       "coercibility":"NUMERIC"
 | |
|                     },
 | |
|                     "accuracy": {
 | |
|                       "length":-1,
 | |
|                       "precision":20,
 | |
|                       "scale":0
 | |
|                     },
 | |
|                     "flag":16387,
 | |
|                     "calc_type": {
 | |
|                       "type":"NULL",
 | |
|                       "collation":"invalid_type",
 | |
|                       "coercibility":"INVALID"
 | |
|                     }
 | |
|                   },
 | |
|                   "expr_info": [
 | |
|                     "IS_COLUMN",
 | |
|                     "CNT_COLUMN"
 | |
|                   ],
 | |
|                   "rel_id": [
 | |
|                     1
 | |
|                   ],
 | |
|                   "table_id":1099511627880,
 | |
|                   "column_id":18,
 | |
|                   "database_name":"oceanbase",
 | |
|                   "table_name":"__all_database",
 | |
|                   "synonym_name":"",
 | |
|                   "column_name":"tenant_id",
 | |
|                   "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":128,
 | |
|                       "precision":-1,
 | |
|                       "scale":-1
 | |
|                     },
 | |
|                     "flag":1,
 | |
|                     "calc_type": {
 | |
|                       "type":"NULL",
 | |
|                       "collation":"invalid_type",
 | |
|                       "coercibility":"INVALID"
 | |
|                     }
 | |
|                   },
 | |
|                   "expr_info": [
 | |
|                     "IS_COLUMN",
 | |
|                     "CNT_COLUMN"
 | |
|                   ],
 | |
|                   "rel_id": [
 | |
|                     1
 | |
|                   ],
 | |
|                   "table_id":1099511627880,
 | |
|                   "column_id":20,
 | |
|                   "database_name":"oceanbase",
 | |
|                   "table_name":"__all_database",
 | |
|                   "synonym_name":"",
 | |
|                   "column_name":"database_name",
 | |
|                   "expr_level":0,
 | |
|                   "expr_levels": [
 | |
|                     0
 | |
|                   ],
 | |
|                   "column_flags":17179869184,
 | |
|                   "is_explicited_referece":true,
 | |
|                   "explicited_ref_count":3,
 | |
|                   "enum_set_values": [
 | |
|                   ],
 | |
|                   "is_lob_column":false
 | |
|                 },
 | |
|                  {
 | |
|                   "item_type":"T_VARCHAR",
 | |
|                   "result_type": {
 | |
|                     "meta": {
 | |
|                       "type":"VARCHAR",
 | |
|                       "collation":"utf8mb4_general_ci",
 | |
|                       "coercibility":"COERCIBLE"
 | |
|                     },
 | |
|                     "accuracy": {
 | |
|                       "length":0,
 | |
|                       "precision":1,
 | |
|                       "scale":-1
 | |
|                     },
 | |
|                     "flag":1,
 | |
|                     "calc_type": {
 | |
|                       "type":"NULL",
 | |
|                       "collation":"invalid_type",
 | |
|                       "coercibility":"INVALID"
 | |
|                     }
 | |
|                   },
 | |
|                   "expr_info": [
 | |
|                     "IS_CONST",
 | |
|                     "CNT_CONST"
 | |
|                   ],
 | |
|                   "rel_id": [
 | |
|                   ],
 | |
|                   "value": {
 | |
|                     "VARCHAR":"",
 | |
|                     "collation":"utf8mb4_general_ci"
 | |
|                   }
 | |
|                 }
 | |
|               ],
 | |
|               "enum_set_values": [
 | |
|               ]
 | |
|             }
 | |
|           ]
 | |
|         }
 | |
|       ],
 | |
|       "group_by": [
 | |
|       ],
 | |
|       "having": [
 | |
|       ],
 | |
|       "aggr_func": [
 | |
|       ],
 | |
|       "order_by": [
 | |
|       ],
 | |
|       "limit":null,
 | |
|       "offset":null,
 | |
|       "show_stmt_ctx": {
 | |
|         "is_from_show_stmt":false,
 | |
|         "global_scope":false,
 | |
|         "tenant_id":-1,
 | |
|         "show_database_id":-1,
 | |
|         "show_table_id":-1,
 | |
|         "grants_user_id":-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":0,
 | |
|         "fetch_cur_time":true,
 | |
|         "calculable_items": [
 | |
|         ]
 | |
|       },
 | |
|       "extra_output_exprs": [
 | |
|       ],
 | |
|       "current_level":0,
 | |
|       "equal_sets": [
 | |
|       ],
 | |
|       "pseudo_column_exprs": [
 | |
|       ],
 | |
|       "child_stmts": [
 | |
|       ],
 | |
|       "has_transformed_for_hierarchical_query":false,
 | |
|       "is_hierarchical_query":false
 | |
|     }
 | |
|   ],
 | |
|   "has_transformed_for_hierarchical_query":false,
 | |
|   "is_hierarchical_query":false
 | |
| }
 | |
| ***************   Case 7   ***************
 | |
| show tables
 | |
| {
 | |
|   "stmt_type":1,
 | |
|   "table": [
 | |
|      {
 | |
|       "table_id":-2,
 | |
|       "table_name":"subquery_alias",
 | |
|       "alias_name":"subquery_alias",
 | |
|       "synonym_name":"",
 | |
|       "table_type":2,
 | |
|       "ref_id":-1,
 | |
|       "database_name":"",
 | |
|       "for_update":false,
 | |
|       "wait":-1,
 | |
|       "mock_id":-1,
 | |
|       "view_base_item":-1
 | |
|     }
 | |
|   ],
 | |
|   "joined_table": [
 | |
|   ],
 | |
|   "partition_express": [
 | |
|   ],
 | |
|   "column": [
 | |
|      {
 | |
|       "column_id":16,
 | |
|       "table_id":-2,
 | |
|       "column":"table_name",
 | |
|       "auto_filled_timestamp":false,
 | |
|       "default_value": {
 | |
|         "NULL":"NULL"
 | |
|       },
 | |
|       "base_tid":1099511637794,
 | |
|       "base_cid":17,
 | |
|       "expression": {
 | |
|         "item_type":"T_REF_COLUMN",
 | |
|         "result_type": {
 | |
|           "meta": {
 | |
|             "type":"VARCHAR",
 | |
|             "collation":"utf8mb4_general_ci",
 | |
|             "coercibility":"IMPLICIT"
 | |
|           },
 | |
|           "accuracy": {
 | |
|             "length":128,
 | |
|             "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":-2,
 | |
|         "column_id":16,
 | |
|         "database_name":"",
 | |
|         "table_name":"subquery_alias",
 | |
|         "synonym_name":"",
 | |
|         "column_name":"table_name",
 | |
|         "expr_level":0,
 | |
|         "expr_levels": [
 | |
|           0
 | |
|         ],
 | |
|         "column_flags":0,
 | |
|         "is_explicited_referece":true,
 | |
|         "explicited_ref_count":1,
 | |
|         "enum_set_values": [
 | |
|         ],
 | |
|         "is_lob_column":false
 | |
|       }
 | |
|     }
 | |
|   ],
 | |
|   "select": [
 | |
|      {
 | |
|       "expression": {
 | |
|         "item_type":"T_REF_COLUMN",
 | |
|         "result_type": {
 | |
|           "meta": {
 | |
|             "type":"VARCHAR",
 | |
|             "collation":"utf8mb4_general_ci",
 | |
|             "coercibility":"IMPLICIT"
 | |
|           },
 | |
|           "accuracy": {
 | |
|             "length":128,
 | |
|             "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":-2,
 | |
|         "column_id":16,
 | |
|         "database_name":"",
 | |
|         "table_name":"subquery_alias",
 | |
|         "synonym_name":"",
 | |
|         "column_name":"table_name",
 | |
|         "expr_level":0,
 | |
|         "expr_levels": [
 | |
|           0
 | |
|         ],
 | |
|         "column_flags":0,
 | |
|         "is_explicited_referece":true,
 | |
|         "explicited_ref_count":1,
 | |
|         "enum_set_values": [
 | |
|         ],
 | |
|         "is_lob_column":false
 | |
|       },
 | |
|       "is_alias":true,
 | |
|       "alias_name":"Tables_in_dbcmd",
 | |
|       "expr_name":"table_name",
 | |
|       "default": {
 | |
|         "NULL":"NULL"
 | |
|       }
 | |
|     }
 | |
|   ],
 | |
|   "distinct":false,
 | |
|   "rollup":false,
 | |
|   "nocycle":false,
 | |
|   "from": [
 | |
|      {
 | |
|       "table_id":-2,
 | |
|       "is_join":false
 | |
|     }
 | |
|   ],
 | |
|   "start_with": [
 | |
|   ],
 | |
|   "connect_by": [
 | |
|   ],
 | |
|   "where": [
 | |
|   ],
 | |
|   "group_by": [
 | |
|   ],
 | |
|   "having": [
 | |
|   ],
 | |
|   "aggr_func": [
 | |
|   ],
 | |
|   "order_by": [
 | |
|   ],
 | |
|   "limit":null,
 | |
|   "offset":null,
 | |
|   "show_stmt_ctx": {
 | |
|     "is_from_show_stmt":true,
 | |
|     "global_scope":false,
 | |
|     "tenant_id":-1,
 | |
|     "show_database_id":-1,
 | |
|     "show_table_id":-1,
 | |
|     "grants_user_id":-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":0,
 | |
|     "fetch_cur_time":true,
 | |
|     "calculable_items": [
 | |
|     ]
 | |
|   },
 | |
|   "extra_output_exprs": [
 | |
|   ],
 | |
|   "current_level":0,
 | |
|   "equal_sets": [
 | |
|   ],
 | |
|   "pseudo_column_exprs": [
 | |
|   ],
 | |
|   "child_stmts": [
 | |
|      {
 | |
|       "stmt_type":1,
 | |
|       "table": [
 | |
|          {
 | |
|           "table_id":1099511637794,
 | |
|           "table_name":"__tenant_virtual_show_tables",
 | |
|           "alias_name":"",
 | |
|           "synonym_name":"",
 | |
|           "table_type":0,
 | |
|           "ref_id":1099511637794,
 | |
|           "database_name":"oceanbase",
 | |
|           "for_update":false,
 | |
|           "wait":-1,
 | |
|           "mock_id":-1,
 | |
|           "view_base_item":-1
 | |
|         }
 | |
|       ],
 | |
|       "joined_table": [
 | |
|       ],
 | |
|       "partition_express": [
 | |
|       ],
 | |
|       "column": [
 | |
|          {
 | |
|           "column_id":16,
 | |
|           "table_id":1099511637794,
 | |
|           "column":"database_id",
 | |
|           "auto_filled_timestamp":false,
 | |
|           "default_value": {
 | |
|             "NULL":"NULL"
 | |
|           },
 | |
|           "base_tid":1099511637794,
 | |
|           "base_cid":16,
 | |
|           "expression": {
 | |
|             "item_type":"T_REF_COLUMN",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"BIGINT",
 | |
|                 "collation":"binary",
 | |
|                 "coercibility":"NUMERIC"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":-1,
 | |
|                 "precision":20,
 | |
|                 "scale":0
 | |
|               },
 | |
|               "flag":16387,
 | |
|               "calc_type": {
 | |
|                 "type":"NULL",
 | |
|                 "collation":"invalid_type",
 | |
|                 "coercibility":"INVALID"
 | |
|               }
 | |
|             },
 | |
|             "expr_info": [
 | |
|               "IS_COLUMN",
 | |
|               "CNT_COLUMN"
 | |
|             ],
 | |
|             "rel_id": [
 | |
|               1
 | |
|             ],
 | |
|             "table_id":1099511637794,
 | |
|             "column_id":16,
 | |
|             "database_name":"oceanbase",
 | |
|             "table_name":"__tenant_virtual_show_tables",
 | |
|             "synonym_name":"",
 | |
|             "column_name":"database_id",
 | |
|             "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":1099511637794,
 | |
|           "column":"table_name",
 | |
|           "auto_filled_timestamp":false,
 | |
|           "default_value": {
 | |
|             "NULL":"NULL"
 | |
|           },
 | |
|           "base_tid":1099511637794,
 | |
|           "base_cid":17,
 | |
|           "expression": {
 | |
|             "item_type":"T_REF_COLUMN",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"VARCHAR",
 | |
|                 "collation":"utf8mb4_general_ci",
 | |
|                 "coercibility":"IMPLICIT"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":128,
 | |
|                 "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":1099511637794,
 | |
|             "column_id":17,
 | |
|             "database_name":"oceanbase",
 | |
|             "table_name":"__tenant_virtual_show_tables",
 | |
|             "synonym_name":"",
 | |
|             "column_name":"table_name",
 | |
|             "expr_level":0,
 | |
|             "expr_levels": [
 | |
|               0
 | |
|             ],
 | |
|             "column_flags":17179869184,
 | |
|             "is_explicited_referece":true,
 | |
|             "explicited_ref_count":2,
 | |
|             "enum_set_values": [
 | |
|             ],
 | |
|             "is_lob_column":false
 | |
|           }
 | |
|         }
 | |
|       ],
 | |
|       "select": [
 | |
|          {
 | |
|           "expression": {
 | |
|             "item_type":"T_REF_COLUMN",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"VARCHAR",
 | |
|                 "collation":"utf8mb4_general_ci",
 | |
|                 "coercibility":"IMPLICIT"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":128,
 | |
|                 "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":1099511637794,
 | |
|             "column_id":17,
 | |
|             "database_name":"oceanbase",
 | |
|             "table_name":"__tenant_virtual_show_tables",
 | |
|             "synonym_name":"",
 | |
|             "column_name":"table_name",
 | |
|             "expr_level":0,
 | |
|             "expr_levels": [
 | |
|               0
 | |
|             ],
 | |
|             "column_flags":17179869184,
 | |
|             "is_explicited_referece":true,
 | |
|             "explicited_ref_count":2,
 | |
|             "enum_set_values": [
 | |
|             ],
 | |
|             "is_lob_column":false
 | |
|           },
 | |
|           "is_alias":false,
 | |
|           "alias_name":"table_name",
 | |
|           "expr_name":"table_name",
 | |
|           "default": {
 | |
|             "NULL":"NULL"
 | |
|           }
 | |
|         }
 | |
|       ],
 | |
|       "distinct":false,
 | |
|       "rollup":false,
 | |
|       "nocycle":false,
 | |
|       "from": [
 | |
|          {
 | |
|           "table_id":1099511637794,
 | |
|           "is_join":false
 | |
|         }
 | |
|       ],
 | |
|       "start_with": [
 | |
|       ],
 | |
|       "connect_by": [
 | |
|       ],
 | |
|       "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":"BIGINT",
 | |
|               "collation":"binary",
 | |
|               "coercibility":"NUMERIC"
 | |
|             }
 | |
|           },
 | |
|           "expr_info": [
 | |
|             "CNT_CONST",
 | |
|             "CNT_COLUMN",
 | |
|             "IS_SIMPLE_COND"
 | |
|           ],
 | |
|           "rel_id": [
 | |
|             1
 | |
|           ],
 | |
|           "expr_levels": [
 | |
|             0
 | |
|           ],
 | |
|           "children": [
 | |
|              {
 | |
|               "item_type":"T_REF_COLUMN",
 | |
|               "result_type": {
 | |
|                 "meta": {
 | |
|                   "type":"BIGINT",
 | |
|                   "collation":"binary",
 | |
|                   "coercibility":"NUMERIC"
 | |
|                 },
 | |
|                 "accuracy": {
 | |
|                   "length":-1,
 | |
|                   "precision":20,
 | |
|                   "scale":0
 | |
|                 },
 | |
|                 "flag":16387,
 | |
|                 "calc_type": {
 | |
|                   "type":"NULL",
 | |
|                   "collation":"invalid_type",
 | |
|                   "coercibility":"INVALID"
 | |
|                 }
 | |
|               },
 | |
|               "expr_info": [
 | |
|                 "IS_COLUMN",
 | |
|                 "CNT_COLUMN"
 | |
|               ],
 | |
|               "rel_id": [
 | |
|                 1
 | |
|               ],
 | |
|               "table_id":1099511637794,
 | |
|               "column_id":16,
 | |
|               "database_name":"oceanbase",
 | |
|               "table_name":"__tenant_virtual_show_tables",
 | |
|               "synonym_name":"",
 | |
|               "column_name":"database_id",
 | |
|               "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":13,
 | |
|                   "precision":13,
 | |
|                   "scale":0
 | |
|                 },
 | |
|                 "flag":1,
 | |
|                 "calc_type": {
 | |
|                   "type":"NULL",
 | |
|                   "collation":"invalid_type",
 | |
|                   "coercibility":"INVALID"
 | |
|                 }
 | |
|               },
 | |
|               "expr_info": [
 | |
|                 "IS_CONST",
 | |
|                 "CNT_CONST"
 | |
|               ],
 | |
|               "rel_id": [
 | |
|               ],
 | |
|               "value": {
 | |
|                 "BIGINT":1099511628779
 | |
|               }
 | |
|             }
 | |
|           ]
 | |
|         }
 | |
|       ],
 | |
|       "group_by": [
 | |
|       ],
 | |
|       "having": [
 | |
|       ],
 | |
|       "aggr_func": [
 | |
|       ],
 | |
|       "order_by": [
 | |
|          {
 | |
|           "expression": {
 | |
|             "item_type":"T_FUN_SYS_SET_COLLATION",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"VARCHAR",
 | |
|                 "collation":"utf8mb4_bin",
 | |
|                 "coercibility":"EXPLICIT"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":128,
 | |
|                 "precision":-1,
 | |
|                 "scale":-1
 | |
|               },
 | |
|               "flag":0,
 | |
|               "calc_type": {
 | |
|                 "type":"NULL",
 | |
|                 "collation":"invalid_type",
 | |
|                 "coercibility":"INVALID"
 | |
|               }
 | |
|             },
 | |
|             "expr_info": [
 | |
|               "IS_FUNC",
 | |
|               "CNT_CONST",
 | |
|               "CNT_COLUMN",
 | |
|               "CNT_FUNC"
 | |
|             ],
 | |
|             "rel_id": [
 | |
|               1
 | |
|             ],
 | |
|             "expr_levels": [
 | |
|               0
 | |
|             ],
 | |
|             "func":"set_collation",
 | |
|             "children": [
 | |
|                {
 | |
|                 "item_type":"T_REF_COLUMN",
 | |
|                 "result_type": {
 | |
|                   "meta": {
 | |
|                     "type":"VARCHAR",
 | |
|                     "collation":"utf8mb4_general_ci",
 | |
|                     "coercibility":"IMPLICIT"
 | |
|                   },
 | |
|                   "accuracy": {
 | |
|                     "length":128,
 | |
|                     "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":1099511637794,
 | |
|                 "column_id":17,
 | |
|                 "database_name":"oceanbase",
 | |
|                 "table_name":"__tenant_virtual_show_tables",
 | |
|                 "synonym_name":"",
 | |
|                 "column_name":"table_name",
 | |
|                 "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":"utf8mb4_bin",
 | |
|                     "coercibility":"IGNORABLE"
 | |
|                   },
 | |
|                   "accuracy": {
 | |
|                     "length":-1,
 | |
|                     "precision":-1,
 | |
|                     "scale":-1
 | |
|                   },
 | |
|                   "flag":1,
 | |
|                   "calc_type": {
 | |
|                     "type":"NULL",
 | |
|                     "collation":"invalid_type",
 | |
|                     "coercibility":"INVALID"
 | |
|                   }
 | |
|                 },
 | |
|                 "expr_info": [
 | |
|                   "IS_CONST",
 | |
|                   "CNT_CONST"
 | |
|                 ],
 | |
|                 "rel_id": [
 | |
|                 ],
 | |
|                 "value": {
 | |
|                   "BIGINT":46
 | |
|                 }
 | |
|               }
 | |
|             ],
 | |
|             "enum_set_values": [
 | |
|             ]
 | |
|           },
 | |
|           "ascending":"ASC"
 | |
|         }
 | |
|       ],
 | |
|       "limit":null,
 | |
|       "offset":null,
 | |
|       "show_stmt_ctx": {
 | |
|         "is_from_show_stmt":false,
 | |
|         "global_scope":false,
 | |
|         "tenant_id":-1,
 | |
|         "show_database_id":-1,
 | |
|         "show_table_id":-1,
 | |
|         "grants_user_id":-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":0,
 | |
|         "fetch_cur_time":true,
 | |
|         "calculable_items": [
 | |
|         ]
 | |
|       },
 | |
|       "extra_output_exprs": [
 | |
|       ],
 | |
|       "current_level":0,
 | |
|       "equal_sets": [
 | |
|       ],
 | |
|       "pseudo_column_exprs": [
 | |
|       ],
 | |
|       "child_stmts": [
 | |
|       ],
 | |
|       "has_transformed_for_hierarchical_query":false,
 | |
|       "is_hierarchical_query":false
 | |
|     }
 | |
|   ],
 | |
|   "has_transformed_for_hierarchical_query":false,
 | |
|   "is_hierarchical_query":false
 | |
| }
 | |
| ***************   Case 8   ***************
 | |
| show variables
 | |
| {
 | |
|   "stmt_type":1,
 | |
|   "table": [
 | |
|      {
 | |
|       "table_id":-2,
 | |
|       "table_name":"subquery_alias",
 | |
|       "alias_name":"subquery_alias",
 | |
|       "synonym_name":"",
 | |
|       "table_type":2,
 | |
|       "ref_id":-1,
 | |
|       "database_name":"",
 | |
|       "for_update":false,
 | |
|       "wait":-1,
 | |
|       "mock_id":-1,
 | |
|       "view_base_item":-1
 | |
|     }
 | |
|   ],
 | |
|   "joined_table": [
 | |
|   ],
 | |
|   "partition_express": [
 | |
|   ],
 | |
|   "column": [
 | |
|      {
 | |
|       "column_id":16,
 | |
|       "table_id":-2,
 | |
|       "column":"Variable_name",
 | |
|       "auto_filled_timestamp":false,
 | |
|       "default_value": {
 | |
|         "VARCHAR":"",
 | |
|         "collation":"utf8mb4_general_ci"
 | |
|       },
 | |
|       "base_tid":1099511637782,
 | |
|       "base_cid":16,
 | |
|       "expression": {
 | |
|         "item_type":"T_REF_COLUMN",
 | |
|         "result_type": {
 | |
|           "meta": {
 | |
|             "type":"VARCHAR",
 | |
|             "collation":"utf8mb4_general_ci",
 | |
|             "coercibility":"IMPLICIT"
 | |
|           },
 | |
|           "accuracy": {
 | |
|             "length":128,
 | |
|             "precision":-1,
 | |
|             "scale":-1
 | |
|           },
 | |
|           "flag":1,
 | |
|           "calc_type": {
 | |
|             "type":"NULL",
 | |
|             "collation":"invalid_type",
 | |
|             "coercibility":"INVALID"
 | |
|           }
 | |
|         },
 | |
|         "expr_info": [
 | |
|           "IS_COLUMN",
 | |
|           "CNT_COLUMN"
 | |
|         ],
 | |
|         "rel_id": [
 | |
|           1
 | |
|         ],
 | |
|         "table_id":-2,
 | |
|         "column_id":16,
 | |
|         "database_name":"",
 | |
|         "table_name":"subquery_alias",
 | |
|         "synonym_name":"",
 | |
|         "column_name":"Variable_name",
 | |
|         "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":17,
 | |
|       "table_id":-2,
 | |
|       "column":"Value",
 | |
|       "auto_filled_timestamp":false,
 | |
|       "default_value": {
 | |
|         "NULL":"NULL"
 | |
|       },
 | |
|       "base_tid":1099511637782,
 | |
|       "base_cid":17,
 | |
|       "expression": {
 | |
|         "item_type":"T_REF_COLUMN",
 | |
|         "result_type": {
 | |
|           "meta": {
 | |
|             "type":"VARCHAR",
 | |
|             "collation":"utf8mb4_general_ci",
 | |
|             "coercibility":"IMPLICIT"
 | |
|           },
 | |
|           "accuracy": {
 | |
|             "length":65536,
 | |
|             "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":-2,
 | |
|         "column_id":17,
 | |
|         "database_name":"",
 | |
|         "table_name":"subquery_alias",
 | |
|         "synonym_name":"",
 | |
|         "column_name":"Value",
 | |
|         "expr_level":0,
 | |
|         "expr_levels": [
 | |
|           0
 | |
|         ],
 | |
|         "column_flags":0,
 | |
|         "is_explicited_referece":true,
 | |
|         "explicited_ref_count":1,
 | |
|         "enum_set_values": [
 | |
|         ],
 | |
|         "is_lob_column":false
 | |
|       }
 | |
|     }
 | |
|   ],
 | |
|   "select": [
 | |
|      {
 | |
|       "expression": {
 | |
|         "item_type":"T_REF_COLUMN",
 | |
|         "result_type": {
 | |
|           "meta": {
 | |
|             "type":"VARCHAR",
 | |
|             "collation":"utf8mb4_general_ci",
 | |
|             "coercibility":"IMPLICIT"
 | |
|           },
 | |
|           "accuracy": {
 | |
|             "length":128,
 | |
|             "precision":-1,
 | |
|             "scale":-1
 | |
|           },
 | |
|           "flag":1,
 | |
|           "calc_type": {
 | |
|             "type":"NULL",
 | |
|             "collation":"invalid_type",
 | |
|             "coercibility":"INVALID"
 | |
|           }
 | |
|         },
 | |
|         "expr_info": [
 | |
|           "IS_COLUMN",
 | |
|           "CNT_COLUMN"
 | |
|         ],
 | |
|         "rel_id": [
 | |
|           1
 | |
|         ],
 | |
|         "table_id":-2,
 | |
|         "column_id":16,
 | |
|         "database_name":"",
 | |
|         "table_name":"subquery_alias",
 | |
|         "synonym_name":"",
 | |
|         "column_name":"Variable_name",
 | |
|         "expr_level":0,
 | |
|         "expr_levels": [
 | |
|           0
 | |
|         ],
 | |
|         "column_flags":0,
 | |
|         "is_explicited_referece":true,
 | |
|         "explicited_ref_count":1,
 | |
|         "enum_set_values": [
 | |
|         ],
 | |
|         "is_lob_column":false
 | |
|       },
 | |
|       "is_alias":false,
 | |
|       "alias_name":"Variable_name",
 | |
|       "expr_name":"Variable_name",
 | |
|       "default": {
 | |
|         "VARCHAR":"",
 | |
|         "collation":"utf8mb4_general_ci"
 | |
|       }
 | |
|     },
 | |
|      {
 | |
|       "expression": {
 | |
|         "item_type":"T_REF_COLUMN",
 | |
|         "result_type": {
 | |
|           "meta": {
 | |
|             "type":"VARCHAR",
 | |
|             "collation":"utf8mb4_general_ci",
 | |
|             "coercibility":"IMPLICIT"
 | |
|           },
 | |
|           "accuracy": {
 | |
|             "length":65536,
 | |
|             "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":-2,
 | |
|         "column_id":17,
 | |
|         "database_name":"",
 | |
|         "table_name":"subquery_alias",
 | |
|         "synonym_name":"",
 | |
|         "column_name":"Value",
 | |
|         "expr_level":0,
 | |
|         "expr_levels": [
 | |
|           0
 | |
|         ],
 | |
|         "column_flags":0,
 | |
|         "is_explicited_referece":true,
 | |
|         "explicited_ref_count":1,
 | |
|         "enum_set_values": [
 | |
|         ],
 | |
|         "is_lob_column":false
 | |
|       },
 | |
|       "is_alias":false,
 | |
|       "alias_name":"Value",
 | |
|       "expr_name":"Value",
 | |
|       "default": {
 | |
|         "NULL":"NULL"
 | |
|       }
 | |
|     }
 | |
|   ],
 | |
|   "distinct":false,
 | |
|   "rollup":false,
 | |
|   "nocycle":false,
 | |
|   "from": [
 | |
|      {
 | |
|       "table_id":-2,
 | |
|       "is_join":false
 | |
|     }
 | |
|   ],
 | |
|   "start_with": [
 | |
|   ],
 | |
|   "connect_by": [
 | |
|   ],
 | |
|   "where": [
 | |
|   ],
 | |
|   "group_by": [
 | |
|   ],
 | |
|   "having": [
 | |
|   ],
 | |
|   "aggr_func": [
 | |
|   ],
 | |
|   "order_by": [
 | |
|   ],
 | |
|   "limit":null,
 | |
|   "offset":null,
 | |
|   "show_stmt_ctx": {
 | |
|     "is_from_show_stmt":true,
 | |
|     "global_scope":false,
 | |
|     "tenant_id":-1,
 | |
|     "show_database_id":-1,
 | |
|     "show_table_id":-1,
 | |
|     "grants_user_id":-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":0,
 | |
|     "fetch_cur_time":true,
 | |
|     "calculable_items": [
 | |
|     ]
 | |
|   },
 | |
|   "extra_output_exprs": [
 | |
|   ],
 | |
|   "current_level":0,
 | |
|   "equal_sets": [
 | |
|   ],
 | |
|   "pseudo_column_exprs": [
 | |
|   ],
 | |
|   "child_stmts": [
 | |
|      {
 | |
|       "stmt_type":1,
 | |
|       "table": [
 | |
|          {
 | |
|           "table_id":1099511637782,
 | |
|           "table_name":"__tenant_virtual_session_variable",
 | |
|           "alias_name":"",
 | |
|           "synonym_name":"",
 | |
|           "table_type":0,
 | |
|           "ref_id":1099511637782,
 | |
|           "database_name":"oceanbase",
 | |
|           "for_update":false,
 | |
|           "wait":-1,
 | |
|           "mock_id":-1,
 | |
|           "view_base_item":-1
 | |
|         }
 | |
|       ],
 | |
|       "joined_table": [
 | |
|       ],
 | |
|       "partition_express": [
 | |
|       ],
 | |
|       "column": [
 | |
|          {
 | |
|           "column_id":16,
 | |
|           "table_id":1099511637782,
 | |
|           "column":"variable_name",
 | |
|           "auto_filled_timestamp":false,
 | |
|           "default_value": {
 | |
|             "VARCHAR":"",
 | |
|             "collation":"utf8mb4_general_ci"
 | |
|           },
 | |
|           "base_tid":1099511637782,
 | |
|           "base_cid":16,
 | |
|           "expression": {
 | |
|             "item_type":"T_REF_COLUMN",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"VARCHAR",
 | |
|                 "collation":"utf8mb4_general_ci",
 | |
|                 "coercibility":"IMPLICIT"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":128,
 | |
|                 "precision":-1,
 | |
|                 "scale":-1
 | |
|               },
 | |
|               "flag":1,
 | |
|               "calc_type": {
 | |
|                 "type":"NULL",
 | |
|                 "collation":"invalid_type",
 | |
|                 "coercibility":"INVALID"
 | |
|               }
 | |
|             },
 | |
|             "expr_info": [
 | |
|               "IS_COLUMN",
 | |
|               "CNT_COLUMN"
 | |
|             ],
 | |
|             "rel_id": [
 | |
|               1
 | |
|             ],
 | |
|             "table_id":1099511637782,
 | |
|             "column_id":16,
 | |
|             "database_name":"oceanbase",
 | |
|             "table_name":"__tenant_virtual_session_variable",
 | |
|             "synonym_name":"",
 | |
|             "column_name":"variable_name",
 | |
|             "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":1099511637782,
 | |
|           "column":"value",
 | |
|           "auto_filled_timestamp":false,
 | |
|           "default_value": {
 | |
|             "NULL":"NULL"
 | |
|           },
 | |
|           "base_tid":1099511637782,
 | |
|           "base_cid":17,
 | |
|           "expression": {
 | |
|             "item_type":"T_REF_COLUMN",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"VARCHAR",
 | |
|                 "collation":"utf8mb4_general_ci",
 | |
|                 "coercibility":"IMPLICIT"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":65536,
 | |
|                 "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":1099511637782,
 | |
|             "column_id":17,
 | |
|             "database_name":"oceanbase",
 | |
|             "table_name":"__tenant_virtual_session_variable",
 | |
|             "synonym_name":"",
 | |
|             "column_name":"value",
 | |
|             "expr_level":0,
 | |
|             "expr_levels": [
 | |
|               0
 | |
|             ],
 | |
|             "column_flags":17179869184,
 | |
|             "is_explicited_referece":true,
 | |
|             "explicited_ref_count":1,
 | |
|             "enum_set_values": [
 | |
|             ],
 | |
|             "is_lob_column":false
 | |
|           }
 | |
|         }
 | |
|       ],
 | |
|       "select": [
 | |
|          {
 | |
|           "expression": {
 | |
|             "item_type":"T_REF_COLUMN",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"VARCHAR",
 | |
|                 "collation":"utf8mb4_general_ci",
 | |
|                 "coercibility":"IMPLICIT"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":128,
 | |
|                 "precision":-1,
 | |
|                 "scale":-1
 | |
|               },
 | |
|               "flag":1,
 | |
|               "calc_type": {
 | |
|                 "type":"NULL",
 | |
|                 "collation":"invalid_type",
 | |
|                 "coercibility":"INVALID"
 | |
|               }
 | |
|             },
 | |
|             "expr_info": [
 | |
|               "IS_COLUMN",
 | |
|               "CNT_COLUMN"
 | |
|             ],
 | |
|             "rel_id": [
 | |
|               1
 | |
|             ],
 | |
|             "table_id":1099511637782,
 | |
|             "column_id":16,
 | |
|             "database_name":"oceanbase",
 | |
|             "table_name":"__tenant_virtual_session_variable",
 | |
|             "synonym_name":"",
 | |
|             "column_name":"variable_name",
 | |
|             "expr_level":0,
 | |
|             "expr_levels": [
 | |
|               0
 | |
|             ],
 | |
|             "column_flags":17179869184,
 | |
|             "is_explicited_referece":true,
 | |
|             "explicited_ref_count":2,
 | |
|             "enum_set_values": [
 | |
|             ],
 | |
|             "is_lob_column":false
 | |
|           },
 | |
|           "is_alias":true,
 | |
|           "alias_name":"Variable_name",
 | |
|           "expr_name":"variable_name",
 | |
|           "default": {
 | |
|             "VARCHAR":"",
 | |
|             "collation":"utf8mb4_general_ci"
 | |
|           }
 | |
|         },
 | |
|          {
 | |
|           "expression": {
 | |
|             "item_type":"T_REF_COLUMN",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"VARCHAR",
 | |
|                 "collation":"utf8mb4_general_ci",
 | |
|                 "coercibility":"IMPLICIT"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":65536,
 | |
|                 "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":1099511637782,
 | |
|             "column_id":17,
 | |
|             "database_name":"oceanbase",
 | |
|             "table_name":"__tenant_virtual_session_variable",
 | |
|             "synonym_name":"",
 | |
|             "column_name":"value",
 | |
|             "expr_level":0,
 | |
|             "expr_levels": [
 | |
|               0
 | |
|             ],
 | |
|             "column_flags":17179869184,
 | |
|             "is_explicited_referece":true,
 | |
|             "explicited_ref_count":1,
 | |
|             "enum_set_values": [
 | |
|             ],
 | |
|             "is_lob_column":false
 | |
|           },
 | |
|           "is_alias":true,
 | |
|           "alias_name":"Value",
 | |
|           "expr_name":"value",
 | |
|           "default": {
 | |
|             "NULL":"NULL"
 | |
|           }
 | |
|         }
 | |
|       ],
 | |
|       "distinct":false,
 | |
|       "rollup":false,
 | |
|       "nocycle":false,
 | |
|       "from": [
 | |
|          {
 | |
|           "table_id":1099511637782,
 | |
|           "is_join":false
 | |
|         }
 | |
|       ],
 | |
|       "start_with": [
 | |
|       ],
 | |
|       "connect_by": [
 | |
|       ],
 | |
|       "where": [
 | |
|       ],
 | |
|       "group_by": [
 | |
|       ],
 | |
|       "having": [
 | |
|       ],
 | |
|       "aggr_func": [
 | |
|       ],
 | |
|       "order_by": [
 | |
|          {
 | |
|           "expression": {
 | |
|             "item_type":"T_REF_COLUMN",
 | |
|             "result_type": {
 | |
|               "meta": {
 | |
|                 "type":"VARCHAR",
 | |
|                 "collation":"utf8mb4_general_ci",
 | |
|                 "coercibility":"IMPLICIT"
 | |
|               },
 | |
|               "accuracy": {
 | |
|                 "length":128,
 | |
|                 "precision":-1,
 | |
|                 "scale":-1
 | |
|               },
 | |
|               "flag":1,
 | |
|               "calc_type": {
 | |
|                 "type":"NULL",
 | |
|                 "collation":"invalid_type",
 | |
|                 "coercibility":"INVALID"
 | |
|               }
 | |
|             },
 | |
|             "expr_info": [
 | |
|               "IS_COLUMN",
 | |
|               "CNT_COLUMN"
 | |
|             ],
 | |
|             "rel_id": [
 | |
|               1
 | |
|             ],
 | |
|             "table_id":1099511637782,
 | |
|             "column_id":16,
 | |
|             "database_name":"oceanbase",
 | |
|             "table_name":"__tenant_virtual_session_variable",
 | |
|             "synonym_name":"",
 | |
|             "column_name":"variable_name",
 | |
|             "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,
 | |
|       "show_stmt_ctx": {
 | |
|         "is_from_show_stmt":false,
 | |
|         "global_scope":false,
 | |
|         "tenant_id":-1,
 | |
|         "show_database_id":-1,
 | |
|         "show_table_id":-1,
 | |
|         "grants_user_id":-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":0,
 | |
|         "fetch_cur_time":true,
 | |
|         "calculable_items": [
 | |
|         ]
 | |
|       },
 | |
|       "extra_output_exprs": [
 | |
|       ],
 | |
|       "current_level":0,
 | |
|       "equal_sets": [
 | |
|       ],
 | |
|       "pseudo_column_exprs": [
 | |
|       ],
 | |
|       "child_stmts": [
 | |
|       ],
 | |
|       "has_transformed_for_hierarchical_query":false,
 | |
|       "is_hierarchical_query":false
 | |
|     }
 | |
|   ],
 | |
|   "has_transformed_for_hierarchical_query":false,
 | |
|   "is_hierarchical_query":false
 | |
| }
 | |
| ***************   Case 9   ***************
 | |
| set names latin1;
 | |
| {
 | |
|   "stmt_type":113,
 | |
|   "is_set_names":true,
 | |
|   "is_default_charset":false,
 | |
|   "is_default_collation":false,
 | |
|   "charset":"latin1",
 | |
|   "collation":""
 | |
| }
 | |
| ***************   Case 10   ***************
 | |
| set names utf8 collate 'utf8_general_ci';
 | |
| {
 | |
|   "stmt_type":113,
 | |
|   "is_set_names":true,
 | |
|   "is_default_charset":false,
 | |
|   "is_default_collation":false,
 | |
|   "charset":"utf8",
 | |
|   "collation":"utf8_general_ci"
 | |
| }
 | |
| ***************   Case 11   ***************
 | |
| set charset utf8;
 | |
| {
 | |
|   "stmt_type":113,
 | |
|   "is_set_names":false,
 | |
|   "is_default_charset":false,
 | |
|   "is_default_collation":false,
 | |
|   "charset":"utf8",
 | |
|   "collation":""
 | |
| }
 | |
| ***************   Case 12   ***************
 | |
| drop database dbcmd;
 | |
| {
 | |
|   "drop_database_arg":"tenant_id",
 | |
|   "database_name":"dbcmd",
 | |
|   "if_exist":false,
 | |
|   "to_recyclebin":false
 | |
| }
 | |
| ***************   Case 13   ***************
 | |
| alter system bootstrap REGION 'sys_region' ZONE 'zone1' SERVER '10.101.74.122:41425';
 | |
| {"stmt_type":77, "bootstrap_arg":{"server_list":["region":"sys_region", "zone":"zone1", "server":"10.101.74.122:41425"], "cluster_role":1}}
 | |
| ***************   Case 14   ***************
 | |
| alter system bootstrap CLUSTER primary REGION 'sys_region' ZONE 'zone1' SERVER '10.101.74.122:41425';
 | |
| {"stmt_type":77, "bootstrap_arg":{"server_list":["region":"sys_region", "zone":"zone1", "server":"10.101.74.122:41425"], "cluster_role":1}}
 | |
| ***************   Case 15   ***************
 | |
| alter system bootstrap cluster standby REGION 'sys_region' ZONE 'zone1' SERVER '10.101.74.122:41425';
 | |
| {"stmt_type":77, "bootstrap_arg":{"server_list":["region":"sys_region", "zone":"zone1", "server":"10.101.74.122:41425"], "cluster_role":2}}
 | |
| ***************   Case 16   ***************
 | |
| alter system set cluster_id = 3;
 | |
| {
 | |
|   "stmt_type":175,
 | |
|   "rpc_arg": {
 | |
|     "items": [
 | |
|        {
 | |
|         "name":"cluster_id",
 | |
|         "value":"3",
 | |
|         "comment":"",
 | |
|         "zone":"",
 | |
|         "server":"0.0.0.0",
 | |
|         "tenant_name":"",
 | |
|         "exec_tenant_id":1,
 | |
|         "tenant_ids": [
 | |
|         ]
 | |
|       }
 | |
|     ]
 | |
|   }
 | |
| }
 | |
| ***************   Case 17   ***************
 | |
| alter system COMMIT TO SWITCHOVER TO PRIMARY;
 | |
| {
 | |
|   "stmt_type":169,
 | |
|   "database_arg": {
 | |
|     "op_type":0
 | |
|   }
 | |
| }
 | |
| ***************   Case 18   ***************
 | |
| alter system COMMIT TO SWITCHOVER TO PHYSICAL STANDBY;
 | |
| {
 | |
|   "stmt_type":169,
 | |
|   "database_arg": {
 | |
|     "op_type":1
 | |
|   }
 | |
| }
 | |
| ***************   Case 19   ***************
 | |
| alter system remove cluster tt cluster_id = 4;
 | |
| {
 | |
|   "stmt_type":174,
 | |
|   "database_arg": {
 | |
|     "cluster_name":"tt",
 | |
|     "cluster_id":4,
 | |
|     "alter_type":1
 | |
|   }
 | |
| }
 | 
