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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-3623) Limit 0 should avoid execution when querying a known schema
Date Tue, 22 Mar 2016 06:05:25 GMT

    [ https://issues.apache.org/jira/browse/DRILL-3623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15205862#comment-15205862
] 

ASF GitHub Bot commented on DRILL-3623:
---------------------------------------

Github user hsuanyi commented on the pull request:

    https://github.com/apache/drill/pull/405#issuecomment-199650953
  
    Except for my comments (which are for future improvements and can be filed as follow-up
jira issues)
    LGTM +1 (non-binding)



> Limit 0 should avoid execution when querying a known schema
> -----------------------------------------------------------
>
>                 Key: DRILL-3623
>                 URL: https://issues.apache.org/jira/browse/DRILL-3623
>             Project: Apache Drill
>          Issue Type: Sub-task
>          Components: Storage - Hive
>    Affects Versions: 1.1.0
>         Environment: MapR cluster
>            Reporter: Andries Engelbrecht
>            Assignee: Sudheesh Katkam
>              Labels: doc-impacting
>             Fix For: Future
>
>
> Running a select * from hive.table limit 0 does not return (hangs).
> Select * from hive.table limit 1 works fine
> Hive table is about 6GB with 330 files with parquet using snappy compression.
> Data types are int, bigint, string and double.
> Querying directory with parquet files through the DFS plugin works fine
> select * from dfs.root.`/user/hive/warehouse/database/table` limit 0;



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