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Posted to issues@drill.apache.org by "Jinfeng Ni (JIRA)" <ji...@apache.org> on 2015/06/26 17:11:04 UTC

[jira] [Updated] (DRILL-3383) CTAS Auto Partitioning : We are adding an additional project to the plan

     [ https://issues.apache.org/jira/browse/DRILL-3383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jinfeng Ni updated DRILL-3383:
------------------------------
    Priority: Minor  (was: Major)

> CTAS Auto Partitioning : We are adding an additional project to the plan
> ------------------------------------------------------------------------
>
>                 Key: DRILL-3383
>                 URL: https://issues.apache.org/jira/browse/DRILL-3383
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>            Reporter: Rahul Challapalli
>            Assignee: Jinfeng Ni
>            Priority: Minor
>             Fix For: 1.1.0
>
>
> git.commit.id.abbrev=5a34d81
> I used the below query to create a paritioned data set
> {code}
> create table `lineitem` partition by (l_moddate) as select l.*, l_shipdate - extract(day from l_shipdate) + 1 l_moddate from cp.`tpch/lineitem.parquet` l;
> {code}
> The plan for the below query has 2 projects instead of 1
> {code}
> explain plan for select * from `lineitem` where l_moddate = date '1994-07-01';
>  00-00    Screen
> 00-01      Project(*=[$0])
> 00-02        Project(*=[$0])
> 00-03          Scan(groupscan=[ParquetGroupScan [entries=[ReadEntryWithPath [path=/drill/testdata/ctas_auto_partition/tpch_single_partition/lineitem/0_0_31.parquet]], selectionRoot=/drill/testdata/ctas_auto_partition/tpch_single_partition/lineitem, numFiles=1, columns=[`*`]]])
> {code}



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