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Posted to jira@arrow.apache.org by "Krisztian Szucs (Jira)" <ji...@apache.org> on 2021/04/13 14:08:00 UTC
[jira] [Commented] (ARROW-9434) [C++] Store type_code information
in UnionScalar::value
[ https://issues.apache.org/jira/browse/ARROW-9434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17320198#comment-17320198 ]
Krisztian Szucs commented on ARROW-9434:
----------------------------------------
Postponed to 5.0
> [C++] Store type_code information in UnionScalar::value
> -------------------------------------------------------
>
> Key: ARROW-9434
> URL: https://issues.apache.org/jira/browse/ARROW-9434
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Krisztian Szucs
> Priority: Major
> Fix For: 5.0.0
>
>
> The format allows duplicated types in unions, so in order to properly construct an array from a unionscalar we need to know which type to use. Currently we only store the value as another scalar.
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