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

    https://github.com/apache/drill/pull/700#discussion_r93486944
  
    --- Diff: 
contrib/storage-hbase/src/main/java/org/apache/drill/exec/store/hbase/HBaseRecordReader.java
 ---
    @@ -124,6 +124,11 @@ public HBaseRecordReader(Connection connection, 
HBaseSubScan.HBaseSubScanSpec su
         } else {
           rowKeyOnly = false;
           transformed.add(ROW_KEY_PATH);
    +      /* DRILL-5137 - optimize count(*) queries on MapR-DB Binary tables */
    --- End diff --
    
    This branches into the else part of
    `if (!isStarQuery()) {`
    
    Can you verify if a query can be both Star and Skip query at the same time 
when count(*) has been requested?


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