[jira] [Updated] (DRILL-1455) Enable projection push down for join queries

["Hanifi Gunes (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-1455?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hanifi Gunes updated DRILL-1455:
--------------------------------
    Attachment: DRILL-1455.1.patch.txt

enable projection pushdown past join

i) refactor project past filter to remove redundant code
ii) adding unit tests for projection past join & hybrid cases like projection past filter & join
iii) disable one TestExampleQueries#testSelectStartSubQueryJoinWithWhereClause until DRILL-1680 is fixed.


> Enable projection push down for join queries
> --------------------------------------------
>
>                 Key: DRILL-1455
>                 URL: https://issues.apache.org/jira/browse/DRILL-1455
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Hanifi Gunes
>            Assignee: Hanifi Gunes
>         Attachments: DRILL-1455.1.patch.txt
>
>
> DRILL-1309 enables projection push down for text format. However, as reported by DRILL-1401 & DRILL-1408, the patch seems to cause various regressions with join queries. We need to enable projection pushdown for join queries.



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