yanlin-Lynn commented on a change in pull request #2529:
URL: https://github.com/apache/calcite/pull/2529#discussion_r716203498
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File path:
core/src/test/java/org/apache/calcite/test/MaterializedViewSubstitutionVisitorTest.java
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@@ -1691,6 +1691,44 @@ private void checkSatisfiable(RexNode e, String s) {
+ "EnumerableTableScan(table=[[hr, MV0]])")).ok();
}
+ /** Test case for
+ * <a
href="https://issues.apache.org/jira/browse/CALCITE-4779";>[CALCITE-4779]
+ * GroupSet contains {@link RexLiteral}, materialized view recognition
failed</a>. */
+ @Test void testGroupByListContainsConstantLiteral() {
+ // A query that groups by a literal and no columns.
+ final String mv0 = ""
+ + "select \"deptno\", \"empid\"\n"
+ + "from \"emps\"\n"
+ + "group by \"deptno\", \"empid\"";
+ final String query0 = ""
+ + "select 'a'\n"
+ + "from \"emps\"\n"
+ + "group by 'a'";
+ sql(mv0, query0).noMat();
+
+ // Aggregate operator grouping set contains a literal and count(distinct
col) function.
+ final String mv1 = ""
+ + "select \"deptno\", \"empid\"\n"
+ + "from \"emps\"\n"
+ + "group by \"deptno\", \"empid\"";
Review comment:
mv0 and mv1 is the same.
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