danny0405 commented on a change in pull request #1303: [CALCITE-3170] ANTI join
on conditions push down generates wrong plan
URL: https://github.com/apache/calcite/pull/1303#discussion_r300982099
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File path: core/src/test/java/org/apache/calcite/test/RelOptRulesTest.java
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@@ -414,6 +415,82 @@ protected DiffRepository getDiffRepos() {
.check();
}
+ /** Test case for
+ * <a
href="https://issues.apache.org/jira/browse/CALCITE-3170";>[CALCITE-3170]
+ * ANTI join on conditions push down generates wrong plan</a>. */
+ @Test public void testCanNotPushAntiJoinConditionsToLeft() {
+ final RelBuilder relBuilder =
RelBuilder.create(RelBuilderTest.config().build());
+ // build a rel equivalent to sql:
+ // select * from emp
+ // where emp.empno
+ // not in (select dept.deptno from dept where emp.deptno > 20 and
dept.deptno < 30)
+ RelNode left = relBuilder.scan("EMP").build();
+ RelNode right = relBuilder.scan("DEPT").build();
+ RelNode join = relBuilder.push(left)
+ .push(right)
+ .antiJoin(
+ relBuilder.call(SqlStdOperatorTable.IS_NOT_DISTINCT_FROM,
+ relBuilder.field(2, 0, "DEPTNO"),
+ relBuilder.field(2, 1, "DEPTNO")),
+ relBuilder.call(SqlStdOperatorTable.GREATER_THAN,
+ RexInputRef.of(0, left.getRowType()),
+ relBuilder.literal(20)))
+ .build();
+
+ relBuilder.push(join);
+ RelNode relNode = relBuilder.project(relBuilder.field(0))
+ .build();
+
+ HepProgram program = new HepProgramBuilder()
+ .addRuleInstance(FilterJoinRule.JOIN)
+ .build();
+
+ HepPlanner hepPlanner = new HepPlanner(program);
+ hepPlanner.setRoot(relNode);
+ RelNode output = hepPlanner.findBestExp();
+
+ final String planAfter = NL + RelOptUtil.toString(output);
+ final DiffRepository diffRepos = getDiffRepos();
+ diffRepos.assertEquals("planAfter", "${planAfter}", planAfter);
+ SqlToRelTestBase.assertValid(output);
+ }
+
+ @Test public void testCanNotPushAntiJoinConditionsToRight() {
+ final RelBuilder relBuilder =
RelBuilder.create(RelBuilderTest.config().build());
+ // build a rel equivalent to sql:
+ // select * from emp
+ // where emp.empno
Review comment:
Yep, thanks
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