amaliujia commented on a change in pull request #1707: [CALCITE-3649] Hints
should be propagated correctly in planner rules …
URL: https://github.com/apache/calcite/pull/1707#discussion_r362141663
##########
File path:
core/src/test/java/org/apache/calcite/test/SqlHintsConverterTest.java
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@@ -387,6 +389,25 @@ protected DiffRepository getDiffRepos() {
Collections.emptyList(), Collections.emptyList());
}
+ @Test public void testHintsPropagateWithDifferentKindOfRels() {
+ final String sql = "select /*+ AGG_STRATEGY(TWO_PHASE) */\n"
+ + "ename, avg(sal)\n"
+ + "from emp group by ename";
+ final RelNode rel = tester.convertSqlToRel(sql).rel;
+ final RelHint hint = RelHint.of(
+ Collections.emptyList(),
+ "AGG_STRATEGY",
+ Collections.singletonList("TWO_PHASE"));
+ // Validate Hep planner.
+ HepProgram program = new HepProgramBuilder()
+ .addRuleInstance(AggregateReduceFunctionsRule.INSTANCE)
Review comment:
gotcha. Thanks for your clarification.
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