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MySQL [(none)]> select * from
-> (
-> (select 1 as a1) cc
-> left join
-> (select 1 as a2) cc
-> on cc.a1 = cc.a2
-> ) aa;
ERROR 1066 (42000): Getting analyzing error. Detail message: Not unique table/alias: 'cc'.
Spark
spark-sql> select * from
> (
> (select 1 as a1) cc
> left join
> (select 1 as a2) cc
> on cc.a1 = cc.a2
> ) aa;
OK
1 1
Time taken: 6.255 seconds, Fetched 1 row(s)
Presto
presto> select * from
-> (
-> (select 1 as a1) cc
-> left join
-> (select 1 as a2) cc
-> on cc.a1 = cc.a2
-> ) aa;
a1 | a2
----+----
1 | 1
(1 row)
Steps to reproduce the behavior (Required)
Starrocks:
MySQL [(none)]> select * from
-> (
-> (select 1 as a1) cc
-> left join
-> (select 1 as a2) cc
-> on cc.a1 = cc.a2
-> ) aa;
ERROR 1066 (42000): Getting analyzing error. Detail message: Not unique table/alias: 'cc'.
Spark
spark-sql> select * from
> (
> (select 1 as a1) cc
> left join
> (select 1 as a2) cc
> on cc.a1 = cc.a2
> ) aa;
OK
1 1
Time taken: 6.255 seconds, Fetched 1 row(s)
Presto
presto> select * from
-> (
-> (select 1 as a1) cc
-> left join
-> (select 1 as a2) cc
-> on cc.a1 = cc.a2
-> ) aa;
a1 | a2
----+----
1 | 1
(1 row)
Expected behavior (Required)
no error
Real behavior (Required)
ERROR 1066 (42000): Getting analyzing error. Detail message: Not unique table/alias: 'cc'.
StarRocks version (Required)
2.2.5
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