1014 lines
23 KiB
Plaintext
1014 lines
23 KiB
Plaintext
*************** Case 1 ***************
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SELECT * FROM t1 RIGHT JOIN (SELECT * FROM t2) as at2 USING (c1)
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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":1099511630776,
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"table_name":"t1",
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"alias_name":"",
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"table_type":0,
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"ref_id":1099511630776,
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"database_name":"rongxuan"
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},
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{
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"table_id":-3,
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"table_name":"at2",
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"alias_name":"at2",
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"table_type":2,
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"ref_id":-1,
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"database_name":"rongxuan"
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}
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],
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"joined_table": [
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{
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"table_id":-2,
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"table_type":3,
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"join_type":"RIGHT OUTER JOIN",
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"left_table": {
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"table_id":1099511630776,
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"table_name":"t1",
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"alias_name":"",
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"table_type":0,
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"ref_id":1099511630776,
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"database_name":"rongxuan"
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},
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"right_table": {
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"table_id":-3,
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"table_name":"at2",
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"alias_name":"at2",
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"table_type":2,
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"ref_id":-1,
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"database_name":"rongxuan"
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}
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}
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],
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"partition_express": [
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{
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"table_id":1099511630776,
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"expression": {
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"item_type":"T_FUN_SYS_PART_HASH",
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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":-1
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},
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"flag":0
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},
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"expr_info": [
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"IS_FUNC",
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"CNT_CONST",
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"CNT_COLUMN",
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"CNT_FUNC"
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],
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"rel_id": [
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1
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],
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"func":"partition_hash",
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"children": [
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{
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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":65535,
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"precision":-1,
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"scale":0
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},
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"flag":0
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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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1
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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":11,
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"precision":11,
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"scale":0
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},
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"flag":2
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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":1099511630776,
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"column_id":17,
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"expr_level":0
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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":65535,
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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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},
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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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]
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}
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}
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],
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"column": [
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{
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"column_id":17,
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"column_name":"c2",
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"table_id":1099511630776,
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"obj_type":"INT",
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"length":11,
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"precision":11,
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"scale":0,
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"is_autoincrement":false,
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"cs_type":"binary",
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"cs_level":5,
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"is_nullable":true,
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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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"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":11,
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"precision":11,
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"scale":0
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},
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"flag":2
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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":1099511630776,
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"column_id":17,
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"expr_level":0
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}
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},
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{
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"column_id":16,
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"column_name":"c1",
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"table_id":1099511630776,
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"obj_type":"INT",
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"length":11,
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"precision":11,
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"scale":0,
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"is_autoincrement":false,
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"cs_type":"binary",
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"cs_level":5,
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"is_nullable":false,
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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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"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":11,
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"precision":11,
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"scale":0
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},
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"flag":1
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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":1099511630776,
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"column_id":16,
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"expr_level":0
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}
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},
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{
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"column_id":16,
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"column_name":"c1",
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"table_id":-3,
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"obj_type":"INT",
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"length":11,
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"precision":11,
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"scale":0,
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|
"is_autoincrement":false,
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"cs_type":"binary",
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"cs_level":5,
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"is_nullable":true,
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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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"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":11,
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"precision":11,
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"scale":0
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},
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"flag":0
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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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2
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],
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"table_id":-3,
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"column_id":16,
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"expr_level":0
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}
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},
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{
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"column_id":17,
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"column_name":"c2",
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"table_id":-3,
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"obj_type":"INT",
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"length":11,
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"precision":11,
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"scale":0,
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|
"is_autoincrement":false,
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|
"cs_type":"binary",
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"cs_level":5,
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"is_nullable":true,
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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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"expression": {
|
|
"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":11,
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"precision":11,
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|
"scale":0
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},
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"flag":0
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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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2
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],
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"table_id":-3,
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"column_id":17,
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"expr_level":0
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}
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},
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{
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"column_id":18,
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"column_name":"c3",
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"table_id":-3,
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"obj_type":"VARCHAR",
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|
"length":32,
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|
"precision":32,
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|
"scale":0,
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|
"is_autoincrement":false,
|
|
"cs_type":"utf8mb4_general_ci",
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|
"cs_level":2,
|
|
"is_nullable":true,
|
|
"auto_filled_timestamp":false,
|
|
"default_value": {
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"NULL":"NULL"
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},
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
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|
"result_type": {
|
|
"meta": {
|
|
"type":"VARCHAR",
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|
"collation":"utf8mb4_general_ci",
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|
"coercibility":"IMPLICIT"
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|
},
|
|
"accuracy": {
|
|
"length":32,
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|
"precision":32,
|
|
"scale":0
|
|
},
|
|
"flag":0
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
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|
],
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|
"rel_id": [
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2
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],
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|
"table_id":-3,
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|
"column_id":18,
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|
"expr_level":0
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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_COLUMN",
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|
"result_type": {
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|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":0
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
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|
],
|
|
"rel_id": [
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2
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|
],
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|
"table_id":-3,
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|
"column_id":16,
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|
"expr_level":0
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|
},
|
|
"table_id":-1,
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"column_id":65514,
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|
"is_alias":false,
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|
"alias_name":"c1",
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"expr_name":"c1",
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|
"obj_type":"INT",
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|
"length":11,
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|
"precision":11,
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|
"scale":0,
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|
"default": {
|
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"NULL":"NULL"
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},
|
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"nullable":true
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},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":0
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
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2
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|
],
|
|
"table_id":-3,
|
|
"column_id":17,
|
|
"expr_level":0
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},
|
|
"table_id":-1,
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|
"column_id":65513,
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|
"is_alias":false,
|
|
"alias_name":"c2",
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|
"expr_name":"c2",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"default": {
|
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"NULL":"NULL"
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},
|
|
"nullable":true
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|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"VARCHAR",
|
|
"collation":"utf8mb4_general_ci",
|
|
"coercibility":"IMPLICIT"
|
|
},
|
|
"accuracy": {
|
|
"length":32,
|
|
"precision":32,
|
|
"scale":0
|
|
},
|
|
"flag":0
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
2
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|
],
|
|
"table_id":-3,
|
|
"column_id":18,
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|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65512,
|
|
"is_alias":false,
|
|
"alias_name":"c3",
|
|
"expr_name":"c3",
|
|
"obj_type":"VARCHAR",
|
|
"length":32,
|
|
"precision":32,
|
|
"scale":0,
|
|
"default": {
|
|
"NULL":"NULL"
|
|
},
|
|
"nullable":true
|
|
},
|
|
{
|
|
"expression": {
|
|
"item_type":"T_REF_COLUMN",
|
|
"result_type": {
|
|
"meta": {
|
|
"type":"INT",
|
|
"collation":"binary",
|
|
"coercibility":"NUMERIC"
|
|
},
|
|
"accuracy": {
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0
|
|
},
|
|
"flag":2
|
|
},
|
|
"expr_info": [
|
|
"IS_COLUMN",
|
|
"CNT_COLUMN"
|
|
],
|
|
"rel_id": [
|
|
1
|
|
],
|
|
"table_id":1099511630776,
|
|
"column_id":17,
|
|
"expr_level":0
|
|
},
|
|
"table_id":-1,
|
|
"column_id":65515,
|
|
"is_alias":false,
|
|
"alias_name":"c2",
|
|
"expr_name":"c2",
|
|
"obj_type":"INT",
|
|
"length":11,
|
|
"precision":11,
|
|
"scale":0,
|
|
"default": {
|
|
"NULL":"NULL"
|
|
},
|
|
"nullable":true
|
|
}
|
|
],
|
|
"distinct":false,
|
|
"from": [
|
|
{
|
|
"table_id":-2,
|
|
"is_join":true
|
|
}
|
|
],
|
|
"where": [
|
|
],
|
|
"group_by": [
|
|
],
|
|
"having": [
|
|
],
|
|
"aggr_func": [
|
|
],
|
|
"order_by": [
|
|
],
|
|
"limit":null,
|
|
"offset":null,
|
|
"for_update":false,
|
|
"wait":-1,
|
|
"show_stmt_ctx": {
|
|
"is_from_show_stmt":false,
|
|
"global_scope":false,
|
|
"tenant_id":-1,
|
|
"show_database_id":-1,
|
|
"show_table_id":-1,
|
|
"grants_user_id":-1
|
|
},
|
|
"when": [
|
|
],
|
|
"hint": {
|
|
"read_static":false,
|
|
"frozen_version":-1,
|
|
"topk_precision":-1,
|
|
"sharding_minimum_row_count":0,
|
|
"query_timeout":-1,
|
|
"hotspot":false,
|
|
"index": [
|
|
],
|
|
"read_consistency":0,
|
|
"join_order": [
|
|
],
|
|
"merge_hint_idxs":"0, 0, 0, 0, 0, 0, 0, 0",
|
|
"hash_hint_idxs":"0, 0, 0, 0, 0, 0, 0, 0",
|
|
"nl_hint_idxs":"0, 0, 0, 0, 0, 0, 0, 0",
|
|
"part_hints": [
|
|
]
|
|
},
|
|
"query_context": {
|
|
"param_num":0,
|
|
"fetch_cur_time":true,
|
|
"calculable_items": [
|
|
]
|
|
},
|
|
"current_level":0,
|
|
"equal_sets": [
|
|
],
|
|
"child_stmts": [
|
|
{
|
|
"stmt_type":1,
|
|
"table": [
|
|
{
|
|
"table_id":1099511630777,
|
|
"table_name":"t2",
|
|
"alias_name":"",
|
|
"table_type":0,
|
|
"ref_id":1099511630777,
|
|
"database_name":"rongxuan"
|
|
}
|
|
],
|
|
"joined_table": [
|
|
],
|
|
"partition_express": [
|
|
{
|
|
"table_id":1099511630777,
|
|
"expression": {
|
|
"item_type":"T_FUN_SYS_PART_KEY",
|
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