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https://issues.apache.org/jira/browse/DRILL-6528?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arina Ielchiieva resolved DRILL-6528.
-------------------------------------
Resolution: Fixed
Resolved in the scope of DRILL-4517.
> Planner setting the wrong number of records to read (Parquet Reader)
> --------------------------------------------------------------------
>
> Key: DRILL-6528
> URL: https://issues.apache.org/jira/browse/DRILL-6528
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Reporter: salim achouche
> Assignee: Arina Ielchiieva
> Priority: Major
> Fix For: 1.17.0
>
>
> - Recently fixed the Flat Parquet reader to honor the number of records to
> read
> - Though few tests failed:
> TestUnionDistinct.testUnionDistinctEmptySides:356 Different number of records
> returned expected:<5> but was:<1>
> TestUnionAll.testUnionAllEmptySides:355 Different number of records returned
> expected:<5> but was:<1>
> - I debugged one of them and realized the Planner was setting the wrong
> number of rows to read (in this case, one)
> - You can put a break point and see this happening:
> Class: ParquetGroupScan
> Method: updateRowGroupInfo(long maxRecords)
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