5921 lines
137 KiB
Plaintext
5921 lines
137 KiB
Plaintext
*************** Case 1 ***************
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select (select c1 from t1) as field from t1 GROUP BY field;
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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":1099511677777,
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"table_name":"t1",
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"alias_name":"",
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"synonym_name":"",
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"table_type":0,
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"ref_id":1099511677777,
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"database_name":"rongxuan",
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"for_update":false,
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"wait":-1,
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"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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"table_id":1099511677777,
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"index_tid":1099511677777,
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"part_expr": {
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"item_type":"T_OP_ADD",
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"result_type": {
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"meta": {
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"type":"BIGINT",
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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":12,
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"scale":0
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},
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"flag":1,
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"calc_type": {
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"type":"BIGINT",
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"collation":"binary",
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"coercibility":"NUMERIC"
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}
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},
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"expr_info": [
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"CNT_CONST",
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"CNT_COLUMN"
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],
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"rel_id": [
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],
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"expr_levels": [
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],
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"children": [
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{
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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":"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":-1,
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"precision":11,
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"scale":0
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},
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"flag":16387,
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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":1099511677777,
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"column_id":16,
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"database_name":"rongxuan",
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"table_name":"t1",
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"synonym_name":"",
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"column_name":"c1",
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"expr_level":0,
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"expr_levels": [
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],
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"column_flags":17179869184,
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"is_explicited_referece":false,
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"explicited_ref_count":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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"item_type":"T_INT",
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"result_type": {
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"meta": {
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"type":"BIGINT",
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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":0
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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_CONST",
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"CNT_CONST"
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],
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"rel_id": [
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],
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"value": {
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"BIGINT":1
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}
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}
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]
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},
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"subpart_expr":null
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}
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],
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"column": [
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{
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"column_id":16,
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"table_id":1099511677777,
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"column":"c1",
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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":1099511677777,
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"base_cid":16,
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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":"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":-1,
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"precision":11,
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"scale":0
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},
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"flag":16387,
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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":1099511677777,
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"column_id":16,
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"database_name":"rongxuan",
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"table_name":"t1",
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"synonym_name":"",
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"column_name":"c1",
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"expr_level":0,
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"expr_levels": [
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],
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"column_flags":17179869184,
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"is_explicited_referece":false,
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"explicited_ref_count":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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"select": [
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{
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"expression": {
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"item_type":"T_REF_QUERY",
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"result_type": {
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"meta": {
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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":-1,
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"precision":11,
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"scale":0
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},
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"flag":16387,
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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_SUB_QUERY",
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"CNT_SUB_QUERY"
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],
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"rel_id": [
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],
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"id":0,
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"expr_level":0,
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"expr_levels": [
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1
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],
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"output_column":1,
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"is_set":false,
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"column_types": [
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{
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"meta": {
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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":-1,
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"precision":11,
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"scale":0
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},
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"flag":16387,
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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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],
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"enum_set_values": [
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]
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},
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"is_alias":true,
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"alias_name":"field",
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"expr_name":"(select c1 from t1)",
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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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"distinct":false,
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"rollup":false,
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"nocycle":false,
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"from": [
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{
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"table_id":1099511677777,
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"is_join":false
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}
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],
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"start_with": [
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],
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"connect_by": [
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],
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"where": [
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],
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"group_by": [
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{
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"item_type":"T_REF_QUERY",
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"result_type": {
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"meta": {
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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":-1,
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"precision":11,
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"scale":0
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},
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"flag":16387,
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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_SUB_QUERY",
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"CNT_SUB_QUERY"
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],
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"rel_id": [
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],
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"id":0,
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"expr_level":0,
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"expr_levels": [
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1
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],
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"output_column":1,
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"is_set":false,
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"column_types": [
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{
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"meta": {
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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":-1,
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"precision":11,
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"scale":0
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},
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"flag":16387,
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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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],
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"enum_set_values": [
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]
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}
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],
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"having": [
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],
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"aggr_func": [
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],
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"order_by": [
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],
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"limit":null,
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"offset":null,
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"show_stmt_ctx": {
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"is_from_show_stmt":false,
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"global_scope":false,
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"tenant_id":-1,
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"show_database_id":-1,
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"show_table_id":-1,
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"grants_user_id":-1
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},
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"hint": {
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"read_static":false,
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"no_rewrite":false,
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"frozen_version":-1,
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"topk_precision":-1,
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"sharding_minimum_row_count":0,
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"query_timeout":-1,
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"hotspot":false,
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"index": [
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],
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"read_consistency":-1,
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"join_ordered":false,
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"join_order": [
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],
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"merge_hint_ids": [
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],
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"hash_hint_ids": [
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],
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"no_hash_hint_ids": [
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],
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"nl_hint_ids": [
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],
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"part_hints": [
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],
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"use_late_materialization":-1,
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"log_level":"",
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"max_concurrent":-1,
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"only_concurrent_hint":false,
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"has_hint_exclude_concurrent":false,
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"parallel":-1,
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"use_px":1,
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"use join filter":false,
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"org_pq_distributes": [
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],
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"pq_distributes": [
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]
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},
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"query_context": {
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"param_num":0,
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"fetch_cur_time":true,
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"calculable_items": [
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]
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},
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"extra_output_exprs": [
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],
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"current_level":0,
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"equal_sets": [
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],
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"pseudo_column_exprs": [
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],
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"child_stmts": [
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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":-2,
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"table_name":"t1",
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"alias_name":"t1",
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"synonym_name":"",
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"table_type":1,
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"ref_id":1099511677777,
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"database_name":"rongxuan",
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"for_update":false,
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"wait":-1,
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"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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"table_id":-2,
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"index_tid":1099511677777,
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"part_expr": {
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"item_type":"T_OP_ADD",
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|
"result_type": {
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"meta": {
|
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"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
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},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":12,
|
|
"scale":0
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|
},
|
|
"flag":1,
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"calc_type": {
|
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"type":"BIGINT",
|
|
"collation":"binary",
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"coercibility":"NUMERIC"
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}
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},
|
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"expr_info": [
|
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"CNT_CONST",
|
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"CNT_COLUMN"
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],
|
|
"rel_id": [
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],
|
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"expr_levels": [
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],
|
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"children": [
|
|
{
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
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1
|
|
],
|
|
"table_id":-2,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
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"synonym_name":"",
|
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"column_name":"c1",
|
|
"expr_level":1,
|
|
"expr_levels": [
|
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1
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|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":1,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
},
|
|
{
|
|
"item_type":"T_INT",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":1,
|
|
"precision":1,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_CONST",
|
|
"CNT_CONST"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"value": {
|
|
"BIGINT":1
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"subpart_expr":null
|
|
}
|
|
],
|
|
"column": [
|
|
{
|
|
"column_id":16,
|
|
"table_id":-2,
|
|
"column":"c1",
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"base_tid":1099511677777,
|
|
"base_cid":16,
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":-2,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":1,
|
|
"expr_levels": [
|
|
1
|
|
],
|
|
"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":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":-2,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":1,
|
|
"expr_levels": [
|
|
1
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":1,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
},
|
|
"is_alias":false,
|
|
"alias_name":"c1",
|
|
"expr_name":"c1",
|
|
"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":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":1,
|
|
"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":1,
|
|
"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 2 ***************
|
|
select (select c3 from t1 where 1000 > c3) as 'x' from t3;
|
|
{
|
|
"stmt_type":1,
|
|
"table": [
|
|
{
|
|
"table_id":1099511677779,
|
|
"table_name":"t3",
|
|
"alias_name":"",
|
|
"synonym_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511677779,
|
|
"database_name":"rongxuan",
|
|
"for_update":false,
|
|
"wait":-1,
|
|
"mock_id":-1,
|
|
"view_base_item":-1
|
|
}
|
|
],
|
|
"joined_table": [
|
|
],
|
|
"partition_express": [
|
|
],
|
|
"column": [
|
|
{
|
|
"column_id":16,
|
|
"table_id":1099511677779,
|
|
"column":"c3",
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"base_tid":1099511677779,
|
|
"base_cid":16,
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677779,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t3",
|
|
"synonym_name":"",
|
|
"column_name":"c3",
|
|
"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_QUERY",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_SUB_QUERY",
|
|
"CNT_SUB_QUERY"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"id":0,
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"output_column":1,
|
|
"is_set":false,
|
|
"column_types": [
|
|
{
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
}
|
|
],
|
|
"enum_set_values": [
|
|
]
|
|
},
|
|
"is_alias":true,
|
|
"alias_name":"x",
|
|
"expr_name":"(select c3 from t1 where 1000 > c3)",
|
|
"default": {
|
|
"NULL":"NULL"
|
|
}
|
|
}
|
|
],
|
|
"distinct":false,
|
|
"rollup":false,
|
|
"nocycle":false,
|
|
"from": [
|
|
{
|
|
"table_id":1099511677779,
|
|
"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":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":1,
|
|
"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":1099511677777,
|
|
"table_name":"t1",
|
|
"alias_name":"",
|
|
"synonym_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511677777,
|
|
"database_name":"rongxuan",
|
|
"for_update":false,
|
|
"wait":-1,
|
|
"mock_id":-1,
|
|
"view_base_item":-1
|
|
}
|
|
],
|
|
"joined_table": [
|
|
],
|
|
"partition_express": [
|
|
{
|
|
"table_id":1099511677777,
|
|
"index_tid":1099511677777,
|
|
"part_expr": {
|
|
"item_type":"T_OP_ADD",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":12,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"CNT_CONST",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"expr_levels": [
|
|
],
|
|
"children": [
|
|
{
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677777,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":1,
|
|
"expr_levels": [
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":false,
|
|
"explicited_ref_count":0,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
},
|
|
{
|
|
"item_type":"T_INT",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":1,
|
|
"precision":1,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_CONST",
|
|
"CNT_CONST"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"value": {
|
|
"BIGINT":1
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"subpart_expr":null
|
|
}
|
|
],
|
|
"column": [
|
|
{
|
|
"column_id":16,
|
|
"table_id":1099511677777,
|
|
"column":"c1",
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"base_tid":1099511677777,
|
|
"base_cid":16,
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677777,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":1,
|
|
"expr_levels": [
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":false,
|
|
"explicited_ref_count":0,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
}
|
|
}
|
|
],
|
|
"select": [
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677779,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t3",
|
|
"synonym_name":"",
|
|
"column_name":"c3",
|
|
"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":false,
|
|
"alias_name":"c3",
|
|
"expr_name":"c3",
|
|
"default": {
|
|
"NULL":"NULL"
|
|
}
|
|
}
|
|
],
|
|
"distinct":false,
|
|
"rollup":false,
|
|
"nocycle":false,
|
|
"from": [
|
|
{
|
|
"table_id":1099511677777,
|
|
"is_join":false
|
|
}
|
|
],
|
|
"start_with": [
|
|
],
|
|
"connect_by": [
|
|
],
|
|
"where": [
|
|
{
|
|
"item_type":"T_OP_GT",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":1,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"DECIMAL",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"CNT_CONST",
|
|
"CNT_COLUMN",
|
|
"IS_RANGE_COND"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"children": [
|
|
{
|
|
"item_type":"T_INT",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":4,
|
|
"precision":4,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_CONST",
|
|
"CNT_CONST"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"value": {
|
|
"BIGINT":1000
|
|
}
|
|
},
|
|
{
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677779,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t3",
|
|
"synonym_name":"",
|
|
"column_name":"c3",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":0,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":2,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"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":1,
|
|
"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":1,
|
|
"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 3 ***************
|
|
select c1 as a FROM t1 GROUP BY (SELECT 1 FROM t1 HAVING a=1);
|
|
{
|
|
"stmt_type":1,
|
|
"table": [
|
|
{
|
|
"table_id":1099511677777,
|
|
"table_name":"t1",
|
|
"alias_name":"",
|
|
"synonym_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511677777,
|
|
"database_name":"rongxuan",
|
|
"for_update":false,
|
|
"wait":-1,
|
|
"mock_id":-1,
|
|
"view_base_item":-1
|
|
}
|
|
],
|
|
"joined_table": [
|
|
],
|
|
"partition_express": [
|
|
{
|
|
"table_id":1099511677777,
|
|
"index_tid":1099511677777,
|
|
"part_expr": {
|
|
"item_type":"T_OP_ADD",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":12,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"CNT_CONST",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"expr_levels": [
|
|
],
|
|
"children": [
|
|
{
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677777,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":2,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
},
|
|
{
|
|
"item_type":"T_INT",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":1,
|
|
"precision":1,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_CONST",
|
|
"CNT_CONST"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"value": {
|
|
"BIGINT":1
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"subpart_expr":null
|
|
}
|
|
],
|
|
"column": [
|
|
{
|
|
"column_id":16,
|
|
"table_id":1099511677777,
|
|
"column":"c1",
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"base_tid":1099511677777,
|
|
"base_cid":16,
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677777,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":2,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
}
|
|
}
|
|
],
|
|
"select": [
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677777,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":2,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
},
|
|
"is_alias":true,
|
|
"alias_name":"a",
|
|
"expr_name":"c1",
|
|
"default": {
|
|
"NULL":"NULL"
|
|
}
|
|
}
|
|
],
|
|
"distinct":false,
|
|
"rollup":false,
|
|
"nocycle":false,
|
|
"from": [
|
|
{
|
|
"table_id":1099511677777,
|
|
"is_join":false
|
|
}
|
|
],
|
|
"start_with": [
|
|
],
|
|
"connect_by": [
|
|
],
|
|
"where": [
|
|
],
|
|
"group_by": [
|
|
{
|
|
"item_type":"T_REF_QUERY",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":1,
|
|
"precision":1,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_SUB_QUERY",
|
|
"CNT_SUB_QUERY"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"id":0,
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"output_column":1,
|
|
"is_set":false,
|
|
"column_types": [
|
|
{
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":1,
|
|
"precision":1,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
}
|
|
],
|
|
"enum_set_values": [
|
|
]
|
|
}
|
|
],
|
|
"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":1,
|
|
"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":-2,
|
|
"table_name":"t1",
|
|
"alias_name":"t1",
|
|
"synonym_name":"",
|
|
"table_type":1,
|
|
"ref_id":1099511677777,
|
|
"database_name":"rongxuan",
|
|
"for_update":false,
|
|
"wait":-1,
|
|
"mock_id":-1,
|
|
"view_base_item":-1
|
|
}
|
|
],
|
|
"joined_table": [
|
|
],
|
|
"partition_express": [
|
|
{
|
|
"table_id":-2,
|
|
"index_tid":1099511677777,
|
|
"part_expr": {
|
|
"item_type":"T_OP_ADD",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":12,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"CNT_CONST",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"expr_levels": [
|
|
],
|
|
"children": [
|
|
{
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":-2,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":1,
|
|
"expr_levels": [
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":false,
|
|
"explicited_ref_count":0,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
},
|
|
{
|
|
"item_type":"T_INT",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":1,
|
|
"precision":1,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_CONST",
|
|
"CNT_CONST"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"value": {
|
|
"BIGINT":1
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"subpart_expr":null
|
|
}
|
|
],
|
|
"column": [
|
|
{
|
|
"column_id":16,
|
|
"table_id":-2,
|
|
"column":"c1",
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"base_tid":1099511677777,
|
|
"base_cid":16,
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":-2,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":1,
|
|
"expr_levels": [
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":false,
|
|
"explicited_ref_count":0,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
}
|
|
}
|
|
],
|
|
"select": [
|
|
{
|
|
"expression": {
|
|
"item_type":"T_INT",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":1,
|
|
"precision":1,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_CONST",
|
|
"CNT_CONST"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"value": {
|
|
"BIGINT":1
|
|
}
|
|
},
|
|
"is_alias":false,
|
|
"alias_name":"1",
|
|
"expr_name":"1",
|
|
"default": {
|
|
"NULL":"NULL"
|
|
}
|
|
}
|
|
],
|
|
"distinct":false,
|
|
"rollup":false,
|
|
"nocycle":false,
|
|
"from": [
|
|
{
|
|
"table_id":-2,
|
|
"is_join":false
|
|
}
|
|
],
|
|
"start_with": [
|
|
],
|
|
"connect_by": [
|
|
],
|
|
"where": [
|
|
],
|
|
"group_by": [
|
|
],
|
|
"having": [
|
|
{
|
|
"item_type":"T_OP_EQ",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":1,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"DECIMAL",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"CNT_CONST",
|
|
"CNT_COLUMN",
|
|
"IS_SIMPLE_COND"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"children": [
|
|
{
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677777,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":2,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
},
|
|
{
|
|
"item_type":"T_INT",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":1,
|
|
"precision":1,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_CONST",
|
|
"CNT_CONST"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"value": {
|
|
"BIGINT":1
|
|
}
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"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":1,
|
|
"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":1,
|
|
"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 4 ***************
|
|
SELECT (SELECT 1) a, (select A)
|
|
*************** Case 5 ***************
|
|
SELECT c1 as a, c1 as b FROM t1 GROUP BY (SELECT a) ORDER BY (SELECT c2*1);
|
|
{
|
|
"stmt_type":1,
|
|
"table": [
|
|
{
|
|
"table_id":1099511677777,
|
|
"table_name":"t1",
|
|
"alias_name":"",
|
|
"synonym_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511677777,
|
|
"database_name":"rongxuan",
|
|
"for_update":false,
|
|
"wait":-1,
|
|
"mock_id":-1,
|
|
"view_base_item":-1
|
|
}
|
|
],
|
|
"joined_table": [
|
|
],
|
|
"partition_express": [
|
|
{
|
|
"table_id":1099511677777,
|
|
"index_tid":1099511677777,
|
|
"part_expr": {
|
|
"item_type":"T_OP_ADD",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":12,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"CNT_CONST",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"expr_levels": [
|
|
],
|
|
"children": [
|
|
{
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677777,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"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_INT",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":1,
|
|
"precision":1,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_CONST",
|
|
"CNT_CONST"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"value": {
|
|
"BIGINT":1
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"subpart_expr":null
|
|
}
|
|
],
|
|
"column": [
|
|
{
|
|
"column_id":16,
|
|
"table_id":1099511677777,
|
|
"column":"c1",
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"base_tid":1099511677777,
|
|
"base_cid":16,
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677777,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":3,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
}
|
|
},
|
|
{
|
|
"column_id":17,
|
|
"table_id":1099511677777,
|
|
"column":"c2",
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"base_tid":1099511677777,
|
|
"base_cid":17,
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":0,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677777,
|
|
"column_id":17,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c2",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":0,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":1,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
}
|
|
}
|
|
],
|
|
"select": [
|
|
{
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|
|
],
|
|
"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":1,
|
|
"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":1,
|
|
"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 6 ***************
|
|
SELECT c1 as a, c2 as b FROM t2 GROUP BY (SELECT a) ORDER BY (SELECT c3);
|
|
{
|
|
"stmt_type":1,
|
|
"table": [
|
|
{
|
|
"table_id":1099511677778,
|
|
"table_name":"t2",
|
|
"alias_name":"",
|
|
"synonym_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511677778,
|
|
"database_name":"rongxuan",
|
|
"for_update":false,
|
|
"wait":-1,
|
|
"mock_id":-1,
|
|
"view_base_item":-1
|
|
}
|
|
],
|
|
"joined_table": [
|
|
],
|
|
"partition_express": [
|
|
{
|
|
"table_id":1099511677778,
|
|
"index_tid":1099511677778,
|
|
"part_expr": {
|
|
"item_type":"T_FUN_SYS_PART_KEY_V2",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":-1,
|
|
"scale":-1
|
|
},
|
|
"flag":0,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_FUNC",
|
|
"CNT_COLUMN",
|
|
"CNT_FUNC"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"expr_levels": [
|
|
],
|
|
"func":"partition_key_v2",
|
|
"children": [
|
|
{
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677778,
|
|
"column_id":17,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t2",
|
|
"synonym_name":"",
|
|
"column_name":"c2",
|
|
"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_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"VARCHAR",
|
|
"collation":"utf8mb4_general_ci",
|
|
"coercibility":"IMPLICIT"
|
|
},
|
|
"accuracy": {
|
|
"length":32,
|
|
"precision":-1,
|
|
"scale":-1
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677778,
|
|
"column_id":18,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t2",
|
|
"synonym_name":"",
|
|
"column_name":"c3",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":1,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
}
|
|
],
|
|
"enum_set_values": [
|
|
]
|
|
},
|
|
"subpart_expr":null
|
|
}
|
|
],
|
|
"column": [
|
|
{
|
|
"column_id":17,
|
|
"table_id":1099511677778,
|
|
"column":"c2",
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"base_tid":1099511677778,
|
|
"base_cid":17,
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677778,
|
|
"column_id":17,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t2",
|
|
"synonym_name":"",
|
|
"column_name":"c2",
|
|
"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":18,
|
|
"table_id":1099511677778,
|
|
"column":"c3",
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"base_tid":1099511677778,
|
|
"base_cid":18,
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"VARCHAR",
|
|
"collation":"utf8mb4_general_ci",
|
|
"coercibility":"IMPLICIT"
|
|
},
|
|
"accuracy": {
|
|
"length":32,
|
|
"precision":-1,
|
|
"scale":-1
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677778,
|
|
"column_id":18,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t2",
|
|
"synonym_name":"",
|
|
"column_name":"c3",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":1,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
}
|
|
},
|
|
{
|
|
"column_id":16,
|
|
"table_id":1099511677778,
|
|
"column":"c1",
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"base_tid":1099511677778,
|
|
"base_cid":16,
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":0,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677778,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t2",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":0,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":2,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
}
|
|
}
|
|
],
|
|
"select": [
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":0,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677778,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t2",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":0,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":2,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
},
|
|
"is_alias":true,
|
|
"alias_name":"a",
|
|
"expr_name":"c1",
|
|
"default": {
|
|
"NULL":"NULL"
|
|
}
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677778,
|
|
"column_id":17,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t2",
|
|
"synonym_name":"",
|
|
"column_name":"c2",
|
|
"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":"b",
|
|
"expr_name":"c2",
|
|
"default": {
|
|
"NULL":"NULL"
|
|
}
|
|
}
|
|
],
|
|
"distinct":false,
|
|
"rollup":false,
|
|
"nocycle":false,
|
|
"from": [
|
|
{
|
|
"table_id":1099511677778,
|
|
"is_join":false
|
|
}
|
|
],
|
|
"start_with": [
|
|
],
|
|
"connect_by": [
|
|
],
|
|
"where": [
|
|
],
|
|
"group_by": [
|
|
{
|
|
"item_type":"T_REF_QUERY",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":0,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_SUB_QUERY",
|
|
"CNT_SUB_QUERY"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"id":0,
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"output_column":1,
|
|
"is_set":false,
|
|
"column_types": [
|
|
{
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":0,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
}
|
|
],
|
|
"enum_set_values": [
|
|
]
|
|
}
|
|
],
|
|
"having": [
|
|
],
|
|
"aggr_func": [
|
|
],
|
|
"order_by": [
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_QUERY",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"VARCHAR",
|
|
"collation":"utf8mb4_general_ci",
|
|
"coercibility":"IMPLICIT"
|
|
},
|
|
"accuracy": {
|
|
"length":32,
|
|
"precision":-1,
|
|
"scale":-1
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_SUB_QUERY",
|
|
"CNT_SUB_QUERY"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"id":1,
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"output_column":1,
|
|
"is_set":false,
|
|
"column_types": [
|
|
{
|
|
"meta": {
|
|
"type":"VARCHAR",
|
|
"collation":"utf8mb4_general_ci",
|
|
"coercibility":"IMPLICIT"
|
|
},
|
|
"accuracy": {
|
|
"length":32,
|
|
"precision":-1,
|
|
"scale":-1
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
}
|
|
],
|
|
"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":1,
|
|
"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": [
|
|
],
|
|
"joined_table": [
|
|
],
|
|
"partition_express": [
|
|
],
|
|
"column": [
|
|
],
|
|
"select": [
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":0,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677778,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t2",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":0,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":2,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
},
|
|
"is_alias":false,
|
|
"alias_name":"a",
|
|
"expr_name":"a",
|
|
"default": {
|
|
"NULL":"NULL"
|
|
}
|
|
}
|
|
],
|
|
"distinct":false,
|
|
"rollup":false,
|
|
"nocycle":false,
|
|
"from": [
|
|
],
|
|
"start_with": [
|
|
],
|
|
"connect_by": [
|
|
],
|
|
"where": [
|
|
],
|
|
"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":1,
|
|
"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":1,
|
|
"equal_sets": [
|
|
],
|
|
"pseudo_column_exprs": [
|
|
],
|
|
"child_stmts": [
|
|
],
|
|
"has_transformed_for_hierarchical_query":false,
|
|
"is_hierarchical_query":false
|
|
},
|
|
{
|
|
"stmt_type":1,
|
|
"table": [
|
|
],
|
|
"joined_table": [
|
|
],
|
|
"partition_express": [
|
|
],
|
|
"column": [
|
|
],
|
|
"select": [
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"VARCHAR",
|
|
"collation":"utf8mb4_general_ci",
|
|
"coercibility":"IMPLICIT"
|
|
},
|
|
"accuracy": {
|
|
"length":32,
|
|
"precision":-1,
|
|
"scale":-1
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677778,
|
|
"column_id":18,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t2",
|
|
"synonym_name":"",
|
|
"column_name":"c3",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":1,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
},
|
|
"is_alias":false,
|
|
"alias_name":"c3",
|
|
"expr_name":"c3",
|
|
"default": {
|
|
"NULL":"NULL"
|
|
}
|
|
}
|
|
],
|
|
"distinct":false,
|
|
"rollup":false,
|
|
"nocycle":false,
|
|
"from": [
|
|
],
|
|
"start_with": [
|
|
],
|
|
"connect_by": [
|
|
],
|
|
"where": [
|
|
],
|
|
"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":1,
|
|
"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":1,
|
|
"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 ***************
|
|
select c1 as ca from t1 where (select (select ca)) > 1;
|
|
*************** Case 8 ***************
|
|
select c1, c1 DD, DD||'kaka' KK, KK || 'haha' from t1;
|
|
*************** Case 9 ***************
|
|
select c1, c1 DD, concat(DD,'kaka') KK, concat(KK,'haha') from t1;
|
|
*************** Case 10 ***************
|
|
SELECT 1 FROM (SELECT c1 FROM t1) b HAVING (SELECT b.c1)=1
|
|
*************** Case 11 ***************
|
|
select c1 as a, c1 as b, (select count(*) from t1 WHERE c1>5) cc from t1;
|
|
{
|
|
"stmt_type":1,
|
|
"table": [
|
|
{
|
|
"table_id":1099511677777,
|
|
"table_name":"t1",
|
|
"alias_name":"",
|
|
"synonym_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511677777,
|
|
"database_name":"rongxuan",
|
|
"for_update":false,
|
|
"wait":-1,
|
|
"mock_id":-1,
|
|
"view_base_item":-1
|
|
}
|
|
],
|
|
"joined_table": [
|
|
],
|
|
"partition_express": [
|
|
{
|
|
"table_id":1099511677777,
|
|
"index_tid":1099511677777,
|
|
"part_expr": {
|
|
"item_type":"T_OP_ADD",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":12,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"CNT_CONST",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"expr_levels": [
|
|
],
|
|
"children": [
|
|
{
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677777,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":2,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
},
|
|
{
|
|
"item_type":"T_INT",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":1,
|
|
"precision":1,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_CONST",
|
|
"CNT_CONST"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"value": {
|
|
"BIGINT":1
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"subpart_expr":null
|
|
}
|
|
],
|
|
"column": [
|
|
{
|
|
"column_id":16,
|
|
"table_id":1099511677777,
|
|
"column":"c1",
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"base_tid":1099511677777,
|
|
"base_cid":16,
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677777,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":2,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
}
|
|
}
|
|
],
|
|
"select": [
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677777,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":17179869184,
|
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"type":0
|
|
}
|
|
}
|
|
],
|
|
"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":1,
|
|
"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":1,
|
|
"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 12 ***************
|
|
select c1 as a, c1 as b, (select count(*) from t1 HAVING c1>5) cc from t1;
|
|
{
|
|
"stmt_type":1,
|
|
"table": [
|
|
{
|
|
"table_id":1099511677777,
|
|
"table_name":"t1",
|
|
"alias_name":"",
|
|
"synonym_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511677777,
|
|
"database_name":"rongxuan",
|
|
"for_update":false,
|
|
"wait":-1,
|
|
"mock_id":-1,
|
|
"view_base_item":-1
|
|
}
|
|
],
|
|
"joined_table": [
|
|
],
|
|
"partition_express": [
|
|
{
|
|
"table_id":1099511677777,
|
|
"index_tid":1099511677777,
|
|
"part_expr": {
|
|
"item_type":"T_OP_ADD",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":12,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"CNT_CONST",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"expr_levels": [
|
|
],
|
|
"children": [
|
|
{
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677777,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"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_INT",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":1,
|
|
"precision":1,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_CONST",
|
|
"CNT_CONST"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"value": {
|
|
"BIGINT":1
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"subpart_expr":null
|
|
}
|
|
],
|
|
"column": [
|
|
{
|
|
"column_id":16,
|
|
"table_id":1099511677777,
|
|
"column":"c1",
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
|
|
"NULL":"NULL"
|
|
},
|
|
"base_tid":1099511677777,
|
|
"base_cid":16,
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677777,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":3,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
}
|
|
}
|
|
],
|
|
"select": [
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677777,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":3,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
},
|
|
"is_alias":true,
|
|
"alias_name":"a",
|
|
"expr_name":"c1",
|
|
"default": {
|
|
"NULL":"NULL"
|
|
}
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511677777,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0
|
|
],
|
|
"column_flags":17179869184,
|
|
"is_explicited_referece":true,
|
|
"explicited_ref_count":3,
|
|
"enum_set_values": [
|
|
],
|
|
"is_lob_column":false
|
|
},
|
|
"is_alias":true,
|
|
"alias_name":"b",
|
|
"expr_name":"c1",
|
|
"default": {
|
|
"NULL":"NULL"
|
|
}
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_QUERY",
|
|
"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_SUB_QUERY",
|
|
"CNT_SUB_QUERY"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"id":0,
|
|
"expr_level":0,
|
|
"expr_levels": [
|
|
0,
|
|
1
|
|
],
|
|
"output_column":1,
|
|
"is_set":false,
|
|
"column_types": [
|
|
{
|
|
"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"
|
|
}
|
|
}
|
|
],
|
|
"enum_set_values": [
|
|
]
|
|
},
|
|
"is_alias":true,
|
|
"alias_name":"cc",
|
|
"expr_name":"(select count(*) from t1 HAVING c1>5)",
|
|
"default": {
|
|
"NULL":"NULL"
|
|
}
|
|
}
|
|
],
|
|
"distinct":false,
|
|
"rollup":false,
|
|
"nocycle":false,
|
|
"from": [
|
|
{
|
|
"table_id":1099511677777,
|
|
"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":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":1,
|
|
"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":-2,
|
|
"table_name":"t1",
|
|
"alias_name":"t1",
|
|
"synonym_name":"",
|
|
"table_type":1,
|
|
"ref_id":1099511677777,
|
|
"database_name":"rongxuan",
|
|
"for_update":false,
|
|
"wait":-1,
|
|
"mock_id":-1,
|
|
"view_base_item":-1
|
|
}
|
|
],
|
|
"joined_table": [
|
|
],
|
|
"partition_express": [
|
|
{
|
|
"table_id":-2,
|
|
"index_tid":1099511677777,
|
|
"part_expr": {
|
|
"item_type":"T_OP_ADD",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":12,
|
|
"scale":0
|
|
},
|
|
"flag":1,
|
|
"calc_type": {
|
|
"type":"BIGINT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"CNT_CONST",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
],
|
|
"expr_levels": [
|
|
],
|
|
"children": [
|
|
{
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":-1,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":16387,
|
|
"calc_type": {
|
|
"type":"NULL",
|
|
"collation":"invalid_type",
|
|
"coercibility":"INVALID"
|
|
}
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":-2,
|
|
"column_id":16,
|
|
"database_name":"rongxuan",
|
|
"table_name":"t1",
|
|
"synonym_name":"",
|
|
"column_name":"c1",
|
|
"expr_level":1,
|
|
"expr_levels": [
|
|
],
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|
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