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https://issues.apache.org/jira/browse/CALCITE-3589?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16994158#comment-16994158
]
Jin Xing commented on CALCITE-3589:
-----------------------------------
Run below SQL in MySQL and PostgreSQL;
{code:java}
CREATE TABLE test(a int, b int);
insert into test values (1,3), (3,1);
MySQL:
mysql> select a % 2 a from test group by a;
Returns:
+------+
| a |
+------+
| 1 |
| 1 |
+------+
mysql> select a + b a from test group by a;
Returns:
+------+
| a |
+------+
| 4 |
| 4 |
+------+
PostgreSQL:
psql> select a % 2 a from test group by a;
Returns:
a
---
1
1
psql> select a + b a from test group by a;
ERROR: column "test.b" must appear in the GROUP BY clause or be used in an
aggregate function
LINE 1: select a + b a from test group by a;
{code}
> SqlValidatorException when conformation is set to LENIENT
> ---------------------------------------------------------
>
> Key: CALCITE-3589
> URL: https://issues.apache.org/jira/browse/CALCITE-3589
> Project: Calcite
> Issue Type: Bug
> Reporter: bingfeng.guo
> Priority: Critical
>
> {color:#172b4d}When conformance is set to LENIENT, and the alias of the
> select expression is the same as the table name in the expression, and the
> expression appears in group by, a SqlValidatorException will occur。{color}
> {color:#172b4d}a simple example is as follows：{color}
> {color:#ff8b00}SELECT MY_ID + 1 AS MY_ID, sum(PRICE){color}
> {color:#ff8b00}FROM tableA{color}
> {color:#ff8b00}GROUP BY MY_ID + 1{color}
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