atharvrastogi1411 commented on code in PR #5400:
URL: https://github.com/apache/calcite/pull/5400#discussion_r4523610730
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core/src/test/java/org/apache/calcite/test/RelMdPredicatesTest.java:
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@@ -35,11 +43,147 @@
import static org.apache.calcite.test.Matchers.sortsAs;
import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertInstanceOf;
import static org.junit.jupiter.api.Assertions.assertTrue;
/** Tests for {@link org.apache.calcite.rel.metadata.RelMdPredicates} class. */
public class RelMdPredicatesTest {
+ /** Test case for
+ * <a
href="https://issues.apache.org/jira/browse/CALCITE-7916";>[CALCITE-7916]
+ * RelMdPredicates should preserve input predicates through Window</a>. */
+ @Test void testPullUpConstantThroughWindow() {
+ final Window window = window("select *, row_number() over (order by empno)
as rn\n"
+ + "from emp where deptno = 10");
+ final RelMetadataQuery mq = window.getCluster().getMetadataQuery();
+ final RelOptPredicateList predicates = mq.getPulledUpPredicates(window);
Review Comment:
Done.
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