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Posted to issues@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2020/04/14 16:41:00 UTC
[jira] [Commented] (ARROW-8452) [Go][Integration] Go JSON producer
generates incorrect nullable flag for nested types
[ https://issues.apache.org/jira/browse/ARROW-8452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17083413#comment-17083413 ]
Antoine Pitrou commented on ARROW-8452:
---------------------------------------
cc [~sbinet]
> [Go][Integration] Go JSON producer generates incorrect nullable flag for nested types
> -------------------------------------------------------------------------------------
>
> Key: ARROW-8452
> URL: https://issues.apache.org/jira/browse/ARROW-8452
> Project: Apache Arrow
> Issue Type: Bug
> Components: Go, Integration
> Reporter: Antoine Pitrou
> Priority: Major
>
> It seems that when generating JSON integration data for a nested type, e.g.
> "list(int32)", the list's nullable flag is also inherited by child fields. This is wrong, because child fields have independent nullable flags, e.g. you may have:
> * "list(field("ints", int32, nullable=True), nullable=True)"
> * "list(field("ints", int32, nullable=False), nullable=True)"
> * "list(field("ints", int32, nullable=True), nullable=False)"
> * "list(field("ints", int32, nullable=False), nullable=False)"
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