rubenada commented on code in PR #3311:
URL: https://github.com/apache/calcite/pull/3311#discussion_r1262234007
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core/src/test/java/org/apache/calcite/test/enumerable/EnumerableHashJoinTest.java:
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@@ -74,6 +74,25 @@ class EnumerableHashJoinTest {
"empid=110; name=Theodore; dept=Sales");
}
+ @Test void innerJoinWithCompositeKeyAndNullValues() {
+ tester(false, new HrSchema())
+ .query(
+ "select e1.empid from emps e1 join emps e2 "
+ + "on e1.deptno=e2.deptno and e1.commission=e2.commission")
+ .withHook(Hook.PLANNER, (Consumer<RelOptPlanner>) planner ->
+ planner.removeRule(EnumerableRules.ENUMERABLE_MERGE_JOIN_RULE))
+ .explainContains("EnumerableCalc(expr#0..4=[{inputs}], empid=[$t0])\n"
+ + " EnumerableHashJoin(condition=[AND(=($1, $3), =($2, $4))],
joinType=[inner])\n"
Review Comment:
Good point. More tests added.
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