[GitHub] drill pull request #1218: DRILL-6335: Refactor row set abstractions to prepa...

[ppadma]

Github user ppadma commented on a diff in the pull request:

    https://github.com/apache/drill/pull/1218#discussion_r182921553
  
    --- Diff: 
exec/java-exec/src/main/java/org/apache/drill/exec/physical/rowSet/impl/RowSetLoaderImpl.java
 ---
    @@ -95,4 +96,10 @@ public void endBatch() {
     
       @Override
       public int rowCount() { return rsLoader.rowCount(); }
    +
    +  @Override
    +  public ColumnMetadata schema() {
    +    // No column for the row tuple
    +    return null;
    --- End diff --
    
    this comment is not clear to me. is it ok to return null here ? 


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