1fanwang commented on code in PR #5202:
URL: https://github.com/apache/calcite/pull/5202#discussion_r3840633992
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core/src/test/java/org/apache/calcite/test/enumerable/EnumerableSortedAggregateTest.java:
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@@ -50,6 +50,21 @@ public class EnumerableSortedAggregateTest {
"deptno=20; max_salary=8000.0; num_employee=1");
}
+ @Test void sortedAggRuleOnEmptyInput() {
+ tester(false, new HrSchema())
+ .query("select max(deptno) as m, count(*) as c "
+ + "from emps where deptno > 100")
+ .withHook(Hook.PLANNER, (Consumer<RelOptPlanner>) planner -> {
+ planner.removeRule(EnumerableRules.ENUMERABLE_AGGREGATE_RULE);
+ planner.addRule(EnumerableRules.ENUMERABLE_SORTED_AGGREGATE_RULE);
+ planner.addRule(EnumerableRules.ENUMERABLE_AGGREGATE_RULE);
Review Comment:
makes sense! restructured tests in fefc55de
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