[GitHub] ilooner commented on a change in pull request #1522: Drill 6735: Implement Semi-Join for the Hash-Join operator

[GitBox <gi...@apache.org>]

ilooner commented on a change in pull request #1522: Drill 6735: Implement Semi-Join for the Hash-Join operator
URL: https://github.com/apache/drill/pull/1522#discussion_r233171435
 
 

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 File path: exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/join/HashJoinBatch.java
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 @@ -998,6 +1000,10 @@ public IterOutcome executeBuildPhase() throws SchemaChangeException {
             : read_right_HV_vector.getAccessor().get(ind); // get the hash value from the HV column
           int currPart = hashCode & spilledState.getPartitionMask();
           hashCode >>>= spilledState.getBitsInMask();
+          // semi-join skips join-key-duplicate rows
+          if ( semiJoin ) {
+
 
 Review comment:
   Empty if statement

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