xy2953396112 commented on a change in pull request #1692: [CALCITE-3632] Add
IntersectToIntersectUnify Rule in SubstitutionVisitor
URL: https://github.com/apache/calcite/pull/1692#discussion_r361593369
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File path: core/src/test/java/org/apache/calcite/test/MaterializationTest.java
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@@ -2857,6 +2858,26 @@ private void checkSatisfiable(RexNode e, String s) {
checkMaterialize(mv, query);
}
+ @Test public void testIntersectToIntersect0() {
+ final String mv = ""
+ + "select \"deptno\" from\n"
+ + "\"emps\" intersect select \"deptno\" from \"depts\"";
+ final String query = ""
+ + "select \"deptno\" from\n"
+ + "\"depts\" intersect select \"deptno\" from \"emps\"";
+ checkMaterialize(mv, query, true);
+ }
+
+ @Test public void testIntersectToIntersect1() {
Review comment:
thanks, update code.
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