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https://issues.apache.org/jira/browse/ARROW-13987?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated ARROW-13987:
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Labels: pull-request-available query-engine (was: query-engine)
> [C++] Support nested FieldRefs
> ------------------------------
>
> Key: ARROW-13987
> URL: https://issues.apache.org/jira/browse/ARROW-13987
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Neal Richardson
> Priority: Major
> Labels: pull-request-available, query-engine
> Fix For: 7.0.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> While it seems technically possible to construct nested FieldRefs, it doesn't
> seem that you can use them in practice. And it would also be nice to be able
> to get a nested FieldRef on an Expression. One solution could be to not
> handle this within FieldRefs at all and just handle it in Expressions: have a
> function like {{Expression GetField(Expression, name)}}.
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