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

["Rahul Challapalli (JIRA)" <ji...@apache.org>]

Rahul Challapalli created DRILL-3383:
----------------------------------------

             Summary: 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
             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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