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Posted to dev@arrow.apache.org by "Grant Monroe (Jira)" <ji...@apache.org> on 2020/02/06 00:21:00 UTC

[jira] [Created] (ARROW-7777) [Go] StructBuilder/ListBuilder index out of range panic

Grant Monroe created ARROW-7777:
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             Summary: [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


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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