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https://issues.apache.org/jira/browse/ARROW-7777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Krisztian Szucs reassigned ARROW-7777:
--------------------------------------
Assignee: Grant Monroe
> [Go] StructBuilder/ListBuilder index out of range panic
> -------------------------------------------------------
>
> Key: ARROW-7777
> URL: https://issues.apache.org/jira/browse/ARROW-7777
> Project: Apache Arrow
> Issue Type: Bug
> Components: Go
> Affects Versions: 0.16.0
> Environment: linux
> Reporter: Grant Monroe
> Assignee: Grant Monroe
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.17.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Both StructBuilder and ListBuilder improperly call init() on sub-builders
> when they should be calling Reserve. For ListBuilder this occurs on the
> offsets builder. For StructBuilder it occurs on each of the field builders.
> This results in a panic from index out of range on Append.
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