[jira] [Resolved] (ARROW-12659) [C++][Compute] Support SimplifyWithGuarantee(is_null(foo), is_valid(foo))

["Jonathan Keane (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-12659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Keane resolved ARROW-12659.
------------------------------------
    Fix Version/s: 8.0.0
       Resolution: Fixed

Issue resolved by pull request 12891
[https://github.com/apache/arrow/pull/12891]

> [C++][Compute] Support SimplifyWithGuarantee(is_null(foo), is_valid(foo))
> -------------------------------------------------------------------------
>
>                 Key: ARROW-12659
>                 URL: https://issues.apache.org/jira/browse/ARROW-12659
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: David Li
>            Assignee: Ben Kietzman
>            Priority: Major
>              Labels: dataset, datasets, expression, expressions, pull-request-available
>             Fix For: 8.0.0
>
>          Time Spent: 6h 20m
>  Remaining Estimate: 0h
>
> Simplifying a predicate using is_null with a guarantee using invert(is_null()) doesn't lead to any simplification.
> Once supported, tests should be added for Datasets to exercise row group filtering (and to generate the necessary clauses from statistics).



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