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Posted to commits@calcite.apache.org by GitBox <gi...@apache.org> on 2019/12/02 07:19:17 UTC

[GitHub] [calcite] yanlin-Lynn commented on a change in pull request #1557: [CALCITE-3473] Getting unique result for table scan should contain key column(s)

yanlin-Lynn commented on a change in pull request #1557: [CALCITE-3473] Getting unique result for table scan should contain key column(s)
URL: https://github.com/apache/calcite/pull/1557#discussion_r352446701
 
 

 ##########
 File path: core/src/main/java/org/apache/calcite/plan/RelOptAbstractTable.java
 ##########
 @@ -97,6 +97,11 @@ public boolean isKey(ImmutableBitSet columns) {
     return false;
   }
 
+  // Override to get unique keys
+  public List<ImmutableBitSet> getKeys() {
+    return null;
 
 Review comment:
   Thanks for reviewing  @hsyuan 
   PR updated.

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