hsyuan commented on a change in pull request #1493: [CALCITE-3396]
Materialization matching succeeds when query and view …
URL: https://github.com/apache/calcite/pull/1493#discussion_r333845707
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File path: core/src/test/java/org/apache/calcite/test/MaterializationTest.java
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@@ -2468,12 +2468,25 @@ private void checkSatisfiable(RexNode e, String s) {
checkMaterialize(sql, sql);
}
- @Test public void testUnionToUnion() {
+ @Test public void testUnionToUnion0() {
String sql0 = "select * from \"emps\" where \"empid\" < 300";
String sql1 = "select * from \"emps\" where \"empid\" > 200";
checkMaterialize(sql0 + " union all " + sql1, sql1 + " union all " + sql0);
}
+ @Test public void testUnionToUnion1() {
+ String sql0 = "select * from \"emps\" where \"empid\" < 300";
+ String sql1 = "select * from \"emps\" where \"empid\" > 200";
+ checkMaterialize(sql0 + " union " + sql1, sql1 + " union " + sql0);
+ }
+
+ @Test public void testUnionToUnion2() {
+ String sql0 = "select * from \"emps\" where \"empid\" < 300";
+ String sql1 = "select * from \"emps\" where \"empid\" > 200";
+ checkNoMaterialize(sql0 + " union " + sql1, sql0 + " union all " + sql1,
+ HR_FKUK_MODEL);
+ }
+
Review comment:
Make sense.
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