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