Neal Richardson created ARROW-13987:
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Summary: [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
Fix For: 7.0.0
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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