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From jinfengni <...@git.apache.org>
Subject [GitHub] drill pull request: DRILL-4387: GroupScan or ScanBatchCreator shou...
Date Thu, 18 Feb 2016 18:41:52 GMT
Github user jinfengni commented on a diff in the pull request:

    --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/physical/base/GroupScan.java
    @@ -35,6 +35,8 @@
     public interface GroupScan extends Scan, HasAffinity{
       public static final List<SchemaPath> ALL_COLUMNS = ImmutableList.of(SchemaPath.getSimplePath("*"));
    +  public static final List<SchemaPath> EMPTY_COLUMNS = ImmutableList.of();
    --- End diff --
    Nice catch. It's no longer needed. (Originally, I intended to convert NULL to empty_columns.
But not it's not necessary). I'll remove that. thx. 

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