[jira] [Updated] (DRILL-2081) Filter not being pushed down into the sub query when we use flatten

["Jacques Nadeau (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-2081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jacques Nadeau updated DRILL-2081:
----------------------------------
    Fix Version/s:     (was: 1.0.0)
                   1.2.0

> Filter not being pushed down into the sub query when we use flatten
> -------------------------------------------------------------------
>
>                 Key: DRILL-2081
>                 URL: https://issues.apache.org/jira/browse/DRILL-2081
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>            Reporter: Rahul Challapalli
>            Assignee: Jinfeng Ni
>            Priority: Minor
>             Fix For: 1.2.0
>
>
> git.commit.id.abbrev=3c6d0ef
> The plan indicates that the query is not being pushed down into the subquery
> {code}
> 0: jdbc:drill:schema=dfs.drillTestDir> explain plan for select  s.evnts.evnt_id  from (select d.type type, flatten(d.events) evnts from `data.json` d) s where s.evnts.type = 'cmpgn4' and s.type='web';
> +------------+------------+
> |    text    |    json    |
> +------------+------------+
> | 00-00    Screen
> 00-01      Project(EXPR$0=[ITEM($1, 'evnt_id')])
> 00-02        SelectionVectorRemover
> 00-03          Filter(condition=[AND(=(ITEM($1, 'type'), 'cmpgn4'), =($0, 'web'))])
> 00-04            Project(type=[$1], evnts=[$2])
> 00-05              Flatten(flattenField=[$2])
> 00-06                Project(EXPR$0=[$0], EXPR$1=[$1], EXPR$2=[$0])
> 00-07                  Scan(groupscan=[EasyGroupScan [selectionRoot=/drill/testdata/flatten_operators/data.json, numFiles=1, columns=[`type`, `events`], files=[maprfs:/drill/testdata/flatten_operators/data.json]]])
> {code}



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