whuGuo commented on a change in pull request #1664:
URL: https://github.com/apache/calcite/pull/1664#discussion_r472948316
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File path: core/src/test/java/org/apache/calcite/test/SqlValidatorTest.java
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@@ -11236,6 +11236,35 @@ private void checkCustomColumnResolving(String table) {
assertThat(resultType.toString(), is("INTEGER"));
}
+ @Test public void testGroupByAlias() {
+ // test group by alias, when the underlying column in the expression is
the same as the alias
+ sql("select DEPTNO+1 as DEPTNO from emp group by DEPTNO+1")
+ .withConformance(SqlConformanceEnum.LENIENT)
+ .ok();
Review comment:
In LENIENT, Calcite's behavior should be very much like PostgreSQL.
PostgreSQL is group by underlying column.
so let isGroupByAlias in LENIENT conformance is false can make it right.
thank your review
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