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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-5137) Optimize count(*) queries on MapR-DB Binary Tables
Date Wed, 21 Dec 2016 17:58:58 GMT

    [ https://issues.apache.org/jira/browse/DRILL-5137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15767685#comment-15767685
] 

ASF GitHub Bot commented on DRILL-5137:
---------------------------------------

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?


> Optimize count(*) queries on MapR-DB Binary Tables
> --------------------------------------------------
>
>                 Key: DRILL-5137
>                 URL: https://issues.apache.org/jira/browse/DRILL-5137
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: Storage - HBase, Storage - MapRDB
>    Affects Versions: 1.9.0
>            Reporter: Abhishek Girish
>            Assignee: Smidth Panchamia
>
> This is related to DRILL-5065, but applies to MapR-DB Binary tables



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