2911 lines
62 KiB
Plaintext
2911 lines
62 KiB
Plaintext
*************** Case 1 ***************
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create database join_on
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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":"join_on",
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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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}
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*************** Case 2 ***************
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use join_on;
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{
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"stmt_type":79,
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"table_items": [
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],
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"column_items": [
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]
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}
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*************** Case 3 ***************
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create table t1 (a int , b int);
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{
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"stmt_type":17,
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"create_table_arg": {
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"if_not_exist":false,
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"schema": {
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"tenant_id":1,
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"database_id":1099511628804,
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"tablegroup_id":1099511627777,
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"table_id":-1,
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"table_name":"t1",
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"max_used_column_id":17,
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"rowkey_column_num":1,
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"index_column_num":0,
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"rowkey_split_pos":0,
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"block_size":16384,
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"is_use_bloomfilter":false,
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"progressive_merge_num":1,
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"replica_num":0,
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"load_type":0,
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"table_type":0,
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"index_type":0,
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"def_type":1,
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"charset_type":2,
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"collation_type":45,
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"data_table_id":0,
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"create_mem_version":0,
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"index_status":1,
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"name_casemode":-1,
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"code_version":1,
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"schema_version":0,
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"last_modified_frozen_version":0,
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"part_level":1,
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"part_expr": {
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"part_func_type":0,
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"part_func_expr":"",
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"part_num":1
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},
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"comment":"",
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"tablegroup_name":"",
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"compress_func_name":"none",
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"primary_zone":"",
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"expire_info":"",
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"view_schema": {
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"view_definition":"",
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"check_option":"none",
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"is_updatable":"false",
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"alias_name":""
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},
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"autoinc_column_id":0,
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"auto_increment":0,
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"index_tid_array": [
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],
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"column_array": [
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{
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"tenant_id":-1,
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"table_id":-1,
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"column_id":16,
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"schema_version":0,
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"rowkey_position":0,
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"index_position":0,
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"order_in_rowkey":0,
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"meta_type": {
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"type":"INT",
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"collation":"binary",
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"coercibility":"NUMERIC"
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},
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"accuracy": {
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"length":11,
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"precision":11,
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"scale":0
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},
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"is_nullable":true,
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"is_autoincrement":false,
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"is_hidden":false,
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"charset_type":2,
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"on_update_current_timestamp":false,
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"orig_default_value": {
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"NULL":"NULL"
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},
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"cur_default_value": {
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"NULL":"NULL"
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},
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"column_name":"a",
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"comment":""
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},
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{
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"tenant_id":-1,
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"table_id":-1,
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"column_id":17,
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"schema_version":0,
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"rowkey_position":0,
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"index_position":0,
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"order_in_rowkey":0,
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"meta_type": {
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"type":"INT",
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"collation":"binary",
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"coercibility":"NUMERIC"
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},
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"accuracy": {
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"length":11,
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"precision":11,
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"scale":0
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},
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"is_nullable":true,
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"is_autoincrement":false,
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"is_hidden":false,
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"charset_type":2,
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"on_update_current_timestamp":false,
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"orig_default_value": {
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"NULL":"NULL"
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},
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"cur_default_value": {
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"NULL":"NULL"
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},
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"column_name":"b",
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"comment":""
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},
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{
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"tenant_id":-1,
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"table_id":-1,
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"column_id":1,
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"schema_version":0,
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"rowkey_position":1,
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"index_position":0,
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"order_in_rowkey":0,
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"meta_type": {
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"type":"BIGINT UNSIGNED",
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"collation":"binary",
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"coercibility":"NUMERIC"
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},
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"accuracy": {
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"length":-1,
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"precision":-1,
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"scale":-1
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},
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"is_nullable":false,
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"is_autoincrement":true,
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"is_hidden":true,
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"charset_type":1,
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"on_update_current_timestamp":false,
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"orig_default_value": {
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"NULL":"NULL"
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},
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"cur_default_value": {
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"NULL":"NULL"
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},
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"column_name":"__pk",
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"comment":""
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}
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]
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},
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"index_arg_list": [
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]
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},
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"db_name":"join_on"
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}
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*************** Case 4 ***************
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create table t2 (c int , d int);
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{
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"stmt_type":17,
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"create_table_arg": {
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"if_not_exist":false,
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"schema": {
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"tenant_id":1,
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"database_id":1099511628804,
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"tablegroup_id":1099511627777,
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"table_id":-1,
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"table_name":"t2",
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"max_used_column_id":17,
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"rowkey_column_num":1,
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"index_column_num":0,
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"rowkey_split_pos":0,
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"block_size":16384,
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"is_use_bloomfilter":false,
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"progressive_merge_num":1,
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"replica_num":0,
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"load_type":0,
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"table_type":0,
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"index_type":0,
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"def_type":1,
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"charset_type":2,
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"collation_type":45,
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"data_table_id":0,
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"create_mem_version":0,
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"index_status":1,
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"name_casemode":-1,
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"code_version":1,
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"schema_version":0,
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"last_modified_frozen_version":0,
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"part_level":1,
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"part_expr": {
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"part_func_type":0,
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"part_func_expr":"",
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"part_num":1
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},
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"comment":"",
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"tablegroup_name":"",
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"compress_func_name":"none",
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"primary_zone":"",
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"expire_info":"",
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"view_schema": {
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"view_definition":"",
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"check_option":"none",
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"is_updatable":"false",
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"alias_name":""
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},
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"autoinc_column_id":0,
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"auto_increment":0,
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"index_tid_array": [
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],
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"column_array": [
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{
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"tenant_id":-1,
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"table_id":-1,
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"column_id":16,
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"schema_version":0,
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"rowkey_position":0,
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"index_position":0,
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"order_in_rowkey":0,
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"meta_type": {
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"type":"INT",
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"collation":"binary",
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"coercibility":"NUMERIC"
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},
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"accuracy": {
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"length":11,
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"precision":11,
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"scale":0
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},
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"is_nullable":true,
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"is_autoincrement":false,
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"is_hidden":false,
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"charset_type":2,
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"on_update_current_timestamp":false,
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"orig_default_value": {
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"NULL":"NULL"
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},
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"cur_default_value": {
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"NULL":"NULL"
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},
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"column_name":"c",
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"comment":""
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},
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{
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"tenant_id":-1,
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"table_id":-1,
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"column_id":17,
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"schema_version":0,
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"rowkey_position":0,
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"index_position":0,
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"order_in_rowkey":0,
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"meta_type": {
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"type":"INT",
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"collation":"binary",
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"coercibility":"NUMERIC"
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},
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"accuracy": {
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"length":11,
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"precision":11,
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"scale":0
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},
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"is_nullable":true,
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"is_autoincrement":false,
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"is_hidden":false,
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"charset_type":2,
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"on_update_current_timestamp":false,
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"orig_default_value": {
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"NULL":"NULL"
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},
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"cur_default_value": {
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"NULL":"NULL"
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},
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"column_name":"d",
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"comment":""
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},
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{
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"tenant_id":-1,
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"table_id":-1,
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"column_id":1,
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"schema_version":0,
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"rowkey_position":1,
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"index_position":0,
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"order_in_rowkey":0,
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"meta_type": {
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"type":"BIGINT UNSIGNED",
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"collation":"binary",
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"coercibility":"NUMERIC"
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},
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"accuracy": {
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"length":-1,
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"precision":-1,
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"scale":-1
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},
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"is_nullable":false,
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"is_autoincrement":true,
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"is_hidden":true,
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"charset_type":1,
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"on_update_current_timestamp":false,
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"orig_default_value": {
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"NULL":"NULL"
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},
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"cur_default_value": {
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"NULL":"NULL"
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},
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"column_name":"__pk",
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"comment":""
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}
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]
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},
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"index_arg_list": [
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]
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},
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"db_name":"join_on"
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}
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*************** Case 5 ***************
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create table t3 (e int , b int);
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{
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"stmt_type":17,
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"create_table_arg": {
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"if_not_exist":false,
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"schema": {
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"tenant_id":1,
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"database_id":1099511628804,
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"tablegroup_id":1099511627777,
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"table_id":-1,
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"table_name":"t3",
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"max_used_column_id":17,
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"rowkey_column_num":1,
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"index_column_num":0,
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"rowkey_split_pos":0,
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"block_size":16384,
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"is_use_bloomfilter":false,
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"progressive_merge_num":1,
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"replica_num":0,
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"load_type":0,
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"table_type":0,
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"index_type":0,
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"def_type":1,
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"charset_type":2,
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"collation_type":45,
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"data_table_id":0,
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"create_mem_version":0,
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"index_status":1,
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"name_casemode":-1,
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"code_version":1,
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"schema_version":0,
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"last_modified_frozen_version":0,
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"part_level":1,
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"part_expr": {
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"part_func_type":0,
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"part_func_expr":"",
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"part_num":1
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},
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"comment":"",
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"tablegroup_name":"",
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"compress_func_name":"none",
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"primary_zone":"",
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"expire_info":"",
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"view_schema": {
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"view_definition":"",
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"check_option":"none",
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"is_updatable":"false",
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"alias_name":""
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},
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"autoinc_column_id":0,
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"auto_increment":0,
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"index_tid_array": [
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],
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"column_array": [
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{
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"tenant_id":-1,
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"table_id":-1,
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"column_id":16,
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"schema_version":0,
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"rowkey_position":0,
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"index_position":0,
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"order_in_rowkey":0,
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"meta_type": {
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"type":"INT",
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"collation":"binary",
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"coercibility":"NUMERIC"
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},
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"accuracy": {
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"length":11,
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"precision":11,
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"scale":0
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},
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"is_nullable":true,
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"is_autoincrement":false,
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"is_hidden":false,
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"charset_type":2,
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"on_update_current_timestamp":false,
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"orig_default_value": {
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"NULL":"NULL"
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},
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"cur_default_value": {
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"NULL":"NULL"
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},
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"column_name":"e",
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"comment":""
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},
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{
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"tenant_id":-1,
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"table_id":-1,
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"column_id":17,
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"schema_version":0,
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"rowkey_position":0,
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"index_position":0,
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"order_in_rowkey":0,
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"meta_type": {
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"type":"INT",
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"collation":"binary",
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"coercibility":"NUMERIC"
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},
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"accuracy": {
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"length":11,
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"precision":11,
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"scale":0
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},
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"is_nullable":true,
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"is_autoincrement":false,
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"is_hidden":false,
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"charset_type":2,
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"on_update_current_timestamp":false,
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"orig_default_value": {
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"NULL":"NULL"
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},
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"cur_default_value": {
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"NULL":"NULL"
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},
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"column_name":"b",
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"comment":""
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},
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{
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"tenant_id":-1,
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"table_id":-1,
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"column_id":1,
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"schema_version":0,
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"rowkey_position":1,
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|
"index_position":0,
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|
"order_in_rowkey":0,
|
|
"meta_type": {
|
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"type":"BIGINT UNSIGNED",
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"collation":"binary",
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"coercibility":"NUMERIC"
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},
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"accuracy": {
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"length":-1,
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"precision":-1,
|
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"scale":-1
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},
|
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"is_nullable":false,
|
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"is_autoincrement":true,
|
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"is_hidden":true,
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"charset_type":1,
|
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"on_update_current_timestamp":false,
|
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"orig_default_value": {
|
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"NULL":"NULL"
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},
|
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"cur_default_value": {
|
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"NULL":"NULL"
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},
|
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"column_name":"__pk",
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"comment":""
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}
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]
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},
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"index_arg_list": [
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]
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},
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"db_name":"join_on"
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}
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*************** Case 6 ***************
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select * from t1 left join (t2 left join t3 on c+1=e) on t1.b=t3.b;
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{
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"stmt_type":1,
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"table": [
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{
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"table_id":1099511631158,
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"table_name":"t1",
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"alias_name":"",
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"table_type":0,
|
|
"ref_id":1099511631158,
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"database_name":"join_on"
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},
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{
|
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"table_id":1099511631159,
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"table_name":"t2",
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"alias_name":"",
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"table_type":0,
|
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"ref_id":1099511631159,
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"database_name":"join_on"
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},
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{
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"table_id":1099511631160,
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"table_name":"t3",
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"alias_name":"",
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"table_type":0,
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"ref_id":1099511631160,
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"database_name":"join_on"
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}
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],
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"joined_table": [
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{
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"table_id":-2,
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"table_type":3,
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"join_type":"LEFT OUTER JOIN",
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|
"left_table": {
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|
"table_id":1099511631158,
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"table_name":"t1",
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"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631158,
|
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"database_name":"join_on"
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},
|
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"right_table": {
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"table_id":-3,
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"table_type":3,
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"join_type":"LEFT OUTER JOIN",
|
|
"left_table": {
|
|
"table_id":1099511631159,
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"table_name":"t2",
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"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631159,
|
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"database_name":"join_on"
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},
|
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"right_table": {
|
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"table_id":1099511631160,
|
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"table_name":"t3",
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"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631160,
|
|
"database_name":"join_on"
|
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}
|
|
}
|
|
}
|
|
],
|
|
"partition_express": [
|
|
],
|
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"column": [
|
|
{
|
|
"column_id":16,
|
|
"column_name":"c",
|
|
"table_id":1099511631159,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
2
|
|
],
|
|
"table_id":1099511631159,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":16,
|
|
"column_name":"e",
|
|
"table_id":1099511631160,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
3
|
|
],
|
|
"table_id":1099511631160,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":17,
|
|
"column_name":"b",
|
|
"table_id":1099511631158,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511631158,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":17,
|
|
"column_name":"b",
|
|
"table_id":1099511631160,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
3
|
|
],
|
|
"table_id":1099511631160,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":16,
|
|
"column_name":"a",
|
|
"table_id":1099511631158,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511631158,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":17,
|
|
"column_name":"d",
|
|
"table_id":1099511631159,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
2
|
|
],
|
|
"table_id":1099511631159,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
}
|
|
}
|
|
],
|
|
"select": [
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511631158,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65519,
|
|
"is_alias":false,
|
|
"alias_name":"a",
|
|
"expr_name":"a",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511631158,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65518,
|
|
"is_alias":false,
|
|
"alias_name":"b",
|
|
"expr_name":"b",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
2
|
|
],
|
|
"table_id":1099511631159,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65517,
|
|
"is_alias":false,
|
|
"alias_name":"c",
|
|
"expr_name":"c",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
2
|
|
],
|
|
"table_id":1099511631159,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65516,
|
|
"is_alias":false,
|
|
"alias_name":"d",
|
|
"expr_name":"d",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
3
|
|
],
|
|
"table_id":1099511631160,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65515,
|
|
"is_alias":false,
|
|
"alias_name":"e",
|
|
"expr_name":"e",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
3
|
|
],
|
|
"table_id":1099511631160,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65514,
|
|
"is_alias":false,
|
|
"alias_name":"b",
|
|
"expr_name":"b",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
],
|
|
"distinct":false,
|
|
"from": [
|
|
{
|
|
"table_id":-2,
|
|
"is_join":true
|
|
}
|
|
],
|
|
"where": [
|
|
],
|
|
"group_by": [
|
|
],
|
|
"having": [
|
|
],
|
|
"aggr_func": [
|
|
],
|
|
"order_by": [
|
|
],
|
|
"limit":null,
|
|
"offset":null,
|
|
"for_update":false,
|
|
"wait":-1,
|
|
"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
|
|
},
|
|
"when": [
|
|
],
|
|
"hint": {
|
|
"read_static":false,
|
|
"frozen_version":-1,
|
|
"topk_precision":-1,
|
|
"sharding_minimum_row_count":0,
|
|
"query_timeout":-1,
|
|
"hotspot":false,
|
|
"index": [
|
|
],
|
|
"read_consistency":0,
|
|
"join_order": [
|
|
],
|
|
"merge_hint_idxs":"0, 0, 0, 0, 0, 0, 0, 0",
|
|
"hash_hint_idxs":"0, 0, 0, 0, 0, 0, 0, 0",
|
|
"nl_hint_idxs":"0, 0, 0, 0, 0, 0, 0, 0",
|
|
"part_hints": [
|
|
]
|
|
},
|
|
"query_context": {
|
|
"param_num":1,
|
|
"fetch_cur_time":false,
|
|
"calculable_items": [
|
|
]
|
|
},
|
|
"current_level":0,
|
|
"equal_sets": [
|
|
],
|
|
"child_stmts": [
|
|
]
|
|
}
|
|
*************** Case 7 ***************
|
|
select * from t1 left join (t2 left join t3 on d+1=e) on t1.b=t3.b;
|
|
{
|
|
"stmt_type":1,
|
|
"table": [
|
|
{
|
|
"table_id":1099511631158,
|
|
"table_name":"t1",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631158,
|
|
"database_name":"join_on"
|
|
},
|
|
{
|
|
"table_id":1099511631159,
|
|
"table_name":"t2",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631159,
|
|
"database_name":"join_on"
|
|
},
|
|
{
|
|
"table_id":1099511631160,
|
|
"table_name":"t3",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631160,
|
|
"database_name":"join_on"
|
|
}
|
|
],
|
|
"joined_table": [
|
|
{
|
|
"table_id":-2,
|
|
"table_type":3,
|
|
"join_type":"LEFT OUTER JOIN",
|
|
"left_table": {
|
|
"table_id":1099511631158,
|
|
"table_name":"t1",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631158,
|
|
"database_name":"join_on"
|
|
},
|
|
"right_table": {
|
|
"table_id":-3,
|
|
"table_type":3,
|
|
"join_type":"LEFT OUTER JOIN",
|
|
"left_table": {
|
|
"table_id":1099511631159,
|
|
"table_name":"t2",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631159,
|
|
"database_name":"join_on"
|
|
},
|
|
"right_table": {
|
|
"table_id":1099511631160,
|
|
"table_name":"t3",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631160,
|
|
"database_name":"join_on"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"partition_express": [
|
|
],
|
|
"column": [
|
|
{
|
|
"column_id":17,
|
|
"column_name":"d",
|
|
"table_id":1099511631159,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
2
|
|
],
|
|
"table_id":1099511631159,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":16,
|
|
"column_name":"e",
|
|
"table_id":1099511631160,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
3
|
|
],
|
|
"table_id":1099511631160,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":17,
|
|
"column_name":"b",
|
|
"table_id":1099511631158,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511631158,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":17,
|
|
"column_name":"b",
|
|
"table_id":1099511631160,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
3
|
|
],
|
|
"table_id":1099511631160,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":16,
|
|
"column_name":"a",
|
|
"table_id":1099511631158,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511631158,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":16,
|
|
"column_name":"c",
|
|
"table_id":1099511631159,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
2
|
|
],
|
|
"table_id":1099511631159,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
}
|
|
}
|
|
],
|
|
"select": [
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511631158,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65519,
|
|
"is_alias":false,
|
|
"alias_name":"a",
|
|
"expr_name":"a",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511631158,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65518,
|
|
"is_alias":false,
|
|
"alias_name":"b",
|
|
"expr_name":"b",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
2
|
|
],
|
|
"table_id":1099511631159,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65517,
|
|
"is_alias":false,
|
|
"alias_name":"c",
|
|
"expr_name":"c",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
2
|
|
],
|
|
"table_id":1099511631159,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65516,
|
|
"is_alias":false,
|
|
"alias_name":"d",
|
|
"expr_name":"d",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
3
|
|
],
|
|
"table_id":1099511631160,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65515,
|
|
"is_alias":false,
|
|
"alias_name":"e",
|
|
"expr_name":"e",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
3
|
|
],
|
|
"table_id":1099511631160,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65514,
|
|
"is_alias":false,
|
|
"alias_name":"b",
|
|
"expr_name":"b",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
],
|
|
"distinct":false,
|
|
"from": [
|
|
{
|
|
"table_id":-2,
|
|
"is_join":true
|
|
}
|
|
],
|
|
"where": [
|
|
],
|
|
"group_by": [
|
|
],
|
|
"having": [
|
|
],
|
|
"aggr_func": [
|
|
],
|
|
"order_by": [
|
|
],
|
|
"limit":null,
|
|
"offset":null,
|
|
"for_update":false,
|
|
"wait":-1,
|
|
"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
|
|
},
|
|
"when": [
|
|
],
|
|
"hint": {
|
|
"read_static":false,
|
|
"frozen_version":-1,
|
|
"topk_precision":-1,
|
|
"sharding_minimum_row_count":0,
|
|
"query_timeout":-1,
|
|
"hotspot":false,
|
|
"index": [
|
|
],
|
|
"read_consistency":0,
|
|
"join_order": [
|
|
],
|
|
"merge_hint_idxs":"0, 0, 0, 0, 0, 0, 0, 0",
|
|
"hash_hint_idxs":"0, 0, 0, 0, 0, 0, 0, 0",
|
|
"nl_hint_idxs":"0, 0, 0, 0, 0, 0, 0, 0",
|
|
"part_hints": [
|
|
]
|
|
},
|
|
"query_context": {
|
|
"param_num":1,
|
|
"fetch_cur_time":false,
|
|
"calculable_items": [
|
|
]
|
|
},
|
|
"current_level":0,
|
|
"equal_sets": [
|
|
],
|
|
"child_stmts": [
|
|
]
|
|
}
|
|
*************** Case 8 ***************
|
|
select * from t1 left join (t2 left join t3 on d+1=b) on t1.b=t3.b;
|
|
{
|
|
"stmt_type":1,
|
|
"table": [
|
|
{
|
|
"table_id":1099511631158,
|
|
"table_name":"t1",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631158,
|
|
"database_name":"join_on"
|
|
},
|
|
{
|
|
"table_id":1099511631159,
|
|
"table_name":"t2",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631159,
|
|
"database_name":"join_on"
|
|
},
|
|
{
|
|
"table_id":1099511631160,
|
|
"table_name":"t3",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631160,
|
|
"database_name":"join_on"
|
|
}
|
|
],
|
|
"joined_table": [
|
|
{
|
|
"table_id":-2,
|
|
"table_type":3,
|
|
"join_type":"LEFT OUTER JOIN",
|
|
"left_table": {
|
|
"table_id":1099511631158,
|
|
"table_name":"t1",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631158,
|
|
"database_name":"join_on"
|
|
},
|
|
"right_table": {
|
|
"table_id":-3,
|
|
"table_type":3,
|
|
"join_type":"LEFT OUTER JOIN",
|
|
"left_table": {
|
|
"table_id":1099511631159,
|
|
"table_name":"t2",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631159,
|
|
"database_name":"join_on"
|
|
},
|
|
"right_table": {
|
|
"table_id":1099511631160,
|
|
"table_name":"t3",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631160,
|
|
"database_name":"join_on"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"partition_express": [
|
|
],
|
|
"column": [
|
|
{
|
|
"column_id":17,
|
|
"column_name":"d",
|
|
"table_id":1099511631159,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
2
|
|
],
|
|
"table_id":1099511631159,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":17,
|
|
"column_name":"b",
|
|
"table_id":1099511631160,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
3
|
|
],
|
|
"table_id":1099511631160,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":17,
|
|
"column_name":"b",
|
|
"table_id":1099511631158,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511631158,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":16,
|
|
"column_name":"a",
|
|
"table_id":1099511631158,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511631158,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":16,
|
|
"column_name":"c",
|
|
"table_id":1099511631159,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
2
|
|
],
|
|
"table_id":1099511631159,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":16,
|
|
"column_name":"e",
|
|
"table_id":1099511631160,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
3
|
|
],
|
|
"table_id":1099511631160,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
}
|
|
}
|
|
],
|
|
"select": [
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511631158,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65519,
|
|
"is_alias":false,
|
|
"alias_name":"a",
|
|
"expr_name":"a",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511631158,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65518,
|
|
"is_alias":false,
|
|
"alias_name":"b",
|
|
"expr_name":"b",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
2
|
|
],
|
|
"table_id":1099511631159,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65517,
|
|
"is_alias":false,
|
|
"alias_name":"c",
|
|
"expr_name":"c",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
2
|
|
],
|
|
"table_id":1099511631159,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65516,
|
|
"is_alias":false,
|
|
"alias_name":"d",
|
|
"expr_name":"d",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
3
|
|
],
|
|
"table_id":1099511631160,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65515,
|
|
"is_alias":false,
|
|
"alias_name":"e",
|
|
"expr_name":"e",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
3
|
|
],
|
|
"table_id":1099511631160,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65514,
|
|
"is_alias":false,
|
|
"alias_name":"b",
|
|
"expr_name":"b",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
],
|
|
"distinct":false,
|
|
"from": [
|
|
{
|
|
"table_id":-2,
|
|
"is_join":true
|
|
}
|
|
],
|
|
"where": [
|
|
],
|
|
"group_by": [
|
|
],
|
|
"having": [
|
|
],
|
|
"aggr_func": [
|
|
],
|
|
"order_by": [
|
|
],
|
|
"limit":null,
|
|
"offset":null,
|
|
"for_update":false,
|
|
"wait":-1,
|
|
"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
|
|
},
|
|
"when": [
|
|
],
|
|
"hint": {
|
|
"read_static":false,
|
|
"frozen_version":-1,
|
|
"topk_precision":-1,
|
|
"sharding_minimum_row_count":0,
|
|
"query_timeout":-1,
|
|
"hotspot":false,
|
|
"index": [
|
|
],
|
|
"read_consistency":0,
|
|
"join_order": [
|
|
],
|
|
"merge_hint_idxs":"0, 0, 0, 0, 0, 0, 0, 0",
|
|
"hash_hint_idxs":"0, 0, 0, 0, 0, 0, 0, 0",
|
|
"nl_hint_idxs":"0, 0, 0, 0, 0, 0, 0, 0",
|
|
"part_hints": [
|
|
]
|
|
},
|
|
"query_context": {
|
|
"param_num":1,
|
|
"fetch_cur_time":false,
|
|
"calculable_items": [
|
|
]
|
|
},
|
|
"current_level":0,
|
|
"equal_sets": [
|
|
],
|
|
"child_stmts": [
|
|
]
|
|
}
|
|
*************** Case 9 ***************
|
|
select * from t1 left join (t2 left join t3 on c+1=b) on t1.b=t3.b;
|
|
{
|
|
"stmt_type":1,
|
|
"table": [
|
|
{
|
|
"table_id":1099511631158,
|
|
"table_name":"t1",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631158,
|
|
"database_name":"join_on"
|
|
},
|
|
{
|
|
"table_id":1099511631159,
|
|
"table_name":"t2",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631159,
|
|
"database_name":"join_on"
|
|
},
|
|
{
|
|
"table_id":1099511631160,
|
|
"table_name":"t3",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631160,
|
|
"database_name":"join_on"
|
|
}
|
|
],
|
|
"joined_table": [
|
|
{
|
|
"table_id":-2,
|
|
"table_type":3,
|
|
"join_type":"LEFT OUTER JOIN",
|
|
"left_table": {
|
|
"table_id":1099511631158,
|
|
"table_name":"t1",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631158,
|
|
"database_name":"join_on"
|
|
},
|
|
"right_table": {
|
|
"table_id":-3,
|
|
"table_type":3,
|
|
"join_type":"LEFT OUTER JOIN",
|
|
"left_table": {
|
|
"table_id":1099511631159,
|
|
"table_name":"t2",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631159,
|
|
"database_name":"join_on"
|
|
},
|
|
"right_table": {
|
|
"table_id":1099511631160,
|
|
"table_name":"t3",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511631160,
|
|
"database_name":"join_on"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"partition_express": [
|
|
],
|
|
"column": [
|
|
{
|
|
"column_id":16,
|
|
"column_name":"c",
|
|
"table_id":1099511631159,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
2
|
|
],
|
|
"table_id":1099511631159,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":17,
|
|
"column_name":"b",
|
|
"table_id":1099511631160,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
3
|
|
],
|
|
"table_id":1099511631160,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":17,
|
|
"column_name":"b",
|
|
"table_id":1099511631158,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511631158,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":16,
|
|
"column_name":"a",
|
|
"table_id":1099511631158,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511631158,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":17,
|
|
"column_name":"d",
|
|
"table_id":1099511631159,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
2
|
|
],
|
|
"table_id":1099511631159,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
}
|
|
},
|
|
{
|
|
"column_id":16,
|
|
"column_name":"e",
|
|
"table_id":1099511631160,
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"is_autoincrement":false,
|
|
"cs_type":"binary",
|
|
"cs_level":5,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
3
|
|
],
|
|
"table_id":1099511631160,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
}
|
|
}
|
|
],
|
|
"select": [
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511631158,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65519,
|
|
"is_alias":false,
|
|
"alias_name":"a",
|
|
"expr_name":"a",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511631158,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65518,
|
|
"is_alias":false,
|
|
"alias_name":"b",
|
|
"expr_name":"b",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
2
|
|
],
|
|
"table_id":1099511631159,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65517,
|
|
"is_alias":false,
|
|
"alias_name":"c",
|
|
"expr_name":"c",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
2
|
|
],
|
|
"table_id":1099511631159,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65516,
|
|
"is_alias":false,
|
|
"alias_name":"d",
|
|
"expr_name":"d",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
3
|
|
],
|
|
"table_id":1099511631160,
|
|
"column_id":16,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65515,
|
|
"is_alias":false,
|
|
"alias_name":"e",
|
|
"expr_name":"e",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
3
|
|
],
|
|
"table_id":1099511631160,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65514,
|
|
"is_alias":false,
|
|
"alias_name":"b",
|
|
"expr_name":"b",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
}
|
|
],
|
|
"distinct":false,
|
|
"from": [
|
|
{
|
|
"table_id":-2,
|
|
"is_join":true
|
|
}
|
|
],
|
|
"where": [
|
|
],
|
|
"group_by": [
|
|
],
|
|
"having": [
|
|
],
|
|
"aggr_func": [
|
|
],
|
|
"order_by": [
|
|
],
|
|
"limit":null,
|
|
"offset":null,
|
|
"for_update":false,
|
|
"wait":-1,
|
|
"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
|
|
},
|
|
"when": [
|
|
],
|
|
"hint": {
|
|
"read_static":false,
|
|
"frozen_version":-1,
|
|
"topk_precision":-1,
|
|
"sharding_minimum_row_count":0,
|
|
"query_timeout":-1,
|
|
"hotspot":false,
|
|
"index": [
|
|
],
|
|
"read_consistency":0,
|
|
"join_order": [
|
|
],
|
|
"merge_hint_idxs":"0, 0, 0, 0, 0, 0, 0, 0",
|
|
"hash_hint_idxs":"0, 0, 0, 0, 0, 0, 0, 0",
|
|
"nl_hint_idxs":"0, 0, 0, 0, 0, 0, 0, 0",
|
|
"part_hints": [
|
|
]
|
|
},
|
|
"query_context": {
|
|
"param_num":1,
|
|
"fetch_cur_time":false,
|
|
"calculable_items": [
|
|
]
|
|
},
|
|
"current_level":0,
|
|
"equal_sets": [
|
|
],
|
|
"child_stmts": [
|
|
]
|
|
}
|
|
*************** Case 10 ***************
|
|
drop database join_on
|
|
{
|
|
"drop_database_arg":"tenant_id",
|
|
"database_name":"join_on",
|
|
"if_exist":false
|
|
}
|