[jira] [Resolved] (ARROW-13643) [C++][Compute] Implement outer join with support for residual predicates

["David Li (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-13643?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Li resolved ARROW-13643.
------------------------------
    Resolution: Fixed

Issue resolved by pull request 11579
[https://github.com/apache/arrow/pull/11579]

> [C++][Compute] Implement outer join with support for residual predicates
> ------------------------------------------------------------------------
>
>                 Key: ARROW-13643
>                 URL: https://issues.apache.org/jira/browse/ARROW-13643
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>    Affects Versions: 6.0.0
>            Reporter: Michal Nowakiewicz
>            Assignee: Sasha Krassovsky
>            Priority: Minor
>              Labels: pull-request-available, query-engine
>             Fix For: 7.0.0
>
>          Time Spent: 5h 50m
>  Remaining Estimate: 0h
>
> Residual predicates are evaluated after finding matches using equality condition on key columns, but before deciding whether an input had a match for the join and resolving outer references. They allow to implement in a simple (but potentially inefficient) way inequality predicates that accompany equality predicates in join condition.



--
This message was sent by Atlassian Jira
(v8.20.1#820001)