[GitHub] [calcite] julianhyde commented on a change in pull request #1526: [CALCITE-3439] Support Intersect and Minus in RelMdPredicates

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julianhyde commented on a change in pull request #1526: [CALCITE-3439] Support Intersect and Minus in RelMdPredicates
URL: https://github.com/apache/calcite/pull/1526#discussion_r338401075
 
 

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 File path: core/src/test/java/org/apache/calcite/test/RelMetadataTest.java
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 @@ -1589,6 +1589,67 @@ private void checkPredicates(RelOptCluster cluster, RelOptTable empTable,
         sortsAs("[IS NULL($0)]"));
   }
 
+  @Test public void testPullUpPredicatesFromUnion() {
+    final RelMetadataQuery mq = RelMetadataQuery.instance();
+    RelNode rel = null;
 
 Review comment:
   Remove the redundant '= null' initializer. Or (my preference) make all variables final and split the method into multiple test methods.

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