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From "David Chaverri (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-3036) Mongo plugin doesn't pushdown filter with a project
Date Tue, 18 Apr 2017 15:49:41 GMT

    [ https://issues.apache.org/jira/browse/DRILL-3036?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15972948#comment-15972948
] 

David Chaverri commented on DRILL-3036:
---------------------------------------

Is this going to be added anytime soon ? We are having issues with it, we need to do a Select
* in order to get the filter push down, but I think that's not the idea. It would be great
to have it working as expected.

> Mongo plugin doesn't pushdown filter with a project
> ---------------------------------------------------
>
>                 Key: DRILL-3036
>                 URL: https://issues.apache.org/jira/browse/DRILL-3036
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Storage - MongoDB
>    Affects Versions: 0.9.0
>            Reporter: Adam Gilmore
>            Assignee: Adam Gilmore
>         Attachments: DRILL-3036.1.patch.txt
>
>
> Exacerbated by DRILL-2732, if a project exists between the scan and the filter, the current
Mongo pushdown filter rule will not push the filter down into the scan.
> As implemented in DRILL-1950 and for the partition prune optimizer rule, the pushdown
filter should handle the above scenario (by implementing the rule for both "filter/scan" and
"filter/project/scan" scenarios).



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