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https://issues.apache.org/jira/browse/ARROW-16502?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthew Topol resolved ARROW-16502.
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Fix Version/s: 9.0.0
Resolution: Fixed
Issue resolved by pull request 13097
[https://github.com/apache/arrow/pull/13097]
> StructBuilder UnmarshalJSON does not handle missing optional fields
> -------------------------------------------------------------------
>
> Key: ARROW-16502
> URL: https://issues.apache.org/jira/browse/ARROW-16502
> Project: Apache Arrow
> Issue Type: Bug
> Components: Go
> Affects Versions: 8.0.0
> Reporter: Przemysław Kowolik
> Priority: Minor
> Labels: pull-request-available
> Fix For: 9.0.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> When calling array.StructBuilder.UnmarshalJSON with a JSON object that has
> missing optional fields, it fails to decode the JSON object properly and will
> panic - but it's a common behavior to drop empty/null fields from the JSON
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