xiedeyantu commented on code in PR #4417:
URL: https://github.com/apache/calcite/pull/4417#discussion_r2155844113
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core/src/test/java/org/apache/calcite/test/SqlValidatorTest.java:
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@@ -6589,12 +6610,14 @@ public boolean isBangEqualAllowed() {
sql("select deptno + empno as d, deptno + empno + mgr from emp"
+ " group by d,mgr")
.withConformance(lenient).ok();
- // When alias is equal to one or more columns in the query then giving
- // priority to alias. But Postgres may throw ambiguous column error or give
- // priority to column name.
+ // Alias is not used since there is a single column in the SELECT already
matching
sql("select count(*) from (\n"
- + " select ename AS deptno FROM emp GROUP BY deptno) t")
- .withConformance(lenient).ok();
+ + " select ^ename^ AS deptno FROM emp GROUP BY deptno) t")
+ .withConformance(strict)
+ .fails("Expression 'ENAME' is not being grouped")
+ .withConformance(lenient)
Review Comment:
Yes, it should be in the code. I just saw that this test case mentioned the
comment in the code.
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