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From "Neeraja (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-1041) Drill should ignore "group by" issued from odbc for hbase tables in tableau
Date Wed, 23 Jul 2014 16:29:38 GMT

    [ https://issues.apache.org/jira/browse/DRILL-1041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14071912#comment-14071912

Neeraja commented on DRILL-1041:

Tableau might be treating the column family as dimension. we need to move to fact and then
try to visualize it.
I think that will avoid the group by problem.
Can we try this out.

> Drill should ignore "group by" issued from odbc for hbase tables in tableau
> ---------------------------------------------------------------------------
>                 Key: DRILL-1041
>                 URL: https://issues.apache.org/jira/browse/DRILL-1041
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Client - ODBC
>         Environment: git.commit.id.abbrev=894037a
> In tableau, when I connect to an hbase table and drag the column families to create charts,
I got the following error:
> [MapR][Drill] (1040) Drill failed to execute the query: SELECT `voter`.`onecf` AS `none_onecf_nk`
> FROM `hbase`.`voter` `voter`
> GROUP BY `voter`.`onecf`
> [23]Query execution error. Details:[
> Failure while running fragment. < UnsupportedOperationException
> ]
> The same sql failed in sqlline due to the "group by" clause against column family.  The
suggestion from the Simba team is for drill to ignore the "group by" in this case.
> The work around for this problem is to create a view against the hbase table and use
the view with tableau.
>            Reporter: Krystal
>            Assignee: Neeraja

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