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https://issues.apache.org/jira/browse/DRILL-1465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14152560#comment-14152560
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Aman Sinha commented on DRILL-1465:
-----------------------------------
Uploaded a patch for this issue. Also added a whole bunch of Junit tests for
push partition filter on all 3 formats: parquet, json and csv.
> Partition filter pushdown not happening for EasyGroupScan
> ---------------------------------------------------------
>
> Key: DRILL-1465
> URL: https://issues.apache.org/jira/browse/DRILL-1465
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Affects Versions: 0.5.0
> Reporter: Aman Sinha
> Assignee: Aman Sinha
> Attachments:
> 0001-DRILL-1465-Enhance-push-partition-filter-rule-to-han.patch
>
>
> For EasyGroupScan that handles Json and Text formats, we are not getting the
> directory partition filters pushed down into the Scan. One part of the
> reason is that the EasyGroupScan digest for a new scan that has a smaller
> selection of files is currently the same as the previous scan, so the planner
> ignores the new scan.
> A second related issue is that the Filter can appear above either a Scan or a
> Project, so we need to be able to handle both cases during pushdown.
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