[jira] [Assigned] (ARROW-16485) [C++] Improving Substrait-Join Integration

["Apache Arrow JIRA Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-16485?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Arrow JIRA Bot reassigned ARROW-16485:
---------------------------------------------

    Assignee:     (was: Vibhatha Lakmal Abeykoon)

> [C++] Improving Substrait-Join Integration
> ------------------------------------------
>
>                 Key: ARROW-16485
>                 URL: https://issues.apache.org/jira/browse/ARROW-16485
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Vibhatha Lakmal Abeykoon
>            Priority: Major
>
> This is an extension to the ARROW-15590. The main focus is to address the following issues. 
> 1. Support set of equality expressions as the join expression
> 2. Output handling (user provides the left and right outputs)
> 3. Support other (except INNER) join types: This requires mapping of existing Substrait Join definitions to Arrow supported Join types
> 4. Filter support: This requires mapping Substrait `post_join_filter` to `filter` in `HashJoinNodeOptions`



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