lincoln-lil commented on code in PR #4549:
URL: https://github.com/apache/calcite/pull/4549#discussion_r2368566532
##########
core/src/test/java/org/apache/calcite/test/RelOptRulesTest.java:
##########
@@ -2147,6 +2147,28 @@ private void
checkSemiOrAntiJoinProjectTranspose(JoinRelType type) {
.check();
}
+ /** Test case for all variance/standard deviation functions with FILTER
clause reduction. */
+ @Test void testVarianceStddevWithFilter() {
+ // Test to ensure FILTER conditions are properly propagated to decomposed
aggregates
+ // for all functions that use the reduceStddev method
+ final RelOptRule rule = AggregateReduceFunctionsRule.Config.DEFAULT
+ .withOperandFor(LogicalAggregate.class)
+ .withFunctionsToReduce(
+ EnumSet.of(SqlKind.STDDEV_POP, SqlKind.STDDEV_SAMP,
+ SqlKind.VAR_POP, SqlKind.VAR_SAMP, SqlKind.AVG))
+ .toRule();
+ final String sql = "select name, "
Review Comment:
Ok, I'll add a case : )
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