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Posted to issues@drill.apache.org by "Rahul Challapalli (JIRA)" <ji...@apache.org> on 2015/04/22 22:50:00 UTC

[jira] [Closed] (DRILL-2019) Filter pushdown into the subquery when the subquery also has a filter is resulting in incorrect results

     [ https://issues.apache.org/jira/browse/DRILL-2019?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rahul Challapalli closed DRILL-2019.
------------------------------------

Verified the fix. However the query is still failing because of DRILL-2277. Added the below testcase to cover that

Functional/Failing/join/join_subqueryfilter_DRILL-2277.q

> Filter pushdown into the subquery when the subquery also has a filter is resulting in incorrect results
> -------------------------------------------------------------------------------------------------------
>
>                 Key: DRILL-2019
>                 URL: https://issues.apache.org/jira/browse/DRILL-2019
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Relational Operators, Query Planning & Optimization
>            Reporter: Rahul Challapalli
>            Assignee: Aman Sinha
>            Priority: Critical
>             Fix For: 0.8.0
>
>         Attachments: 0001-DRILL-2019-Use-correct-index-for-filter-evaluation-w.patch
>
>
> git.commit.id.abbrev=b491cdb
> The below query on top of tpch 0.01 data should actually return 0 records. (Verified with postgres). However drill returns incorrect result
> {code}
> select count(*) from cp.`tpch/lineitem.parquet` l inner join (select o.o_orderkey, o.o_custkey from cp.`tpch/orders.parquet` o where o.o_custkey < 5) s on l.l_orderkey = s.o_orderkey and s.o_custkey > 5;
> +------------+
> |   EXPR$0   |
> +------------+
> | 189        |
> +------------+
> {code}
> Marked as 'critical' since drill is reporting incorrect results



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