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Posted to dev@arrow.apache.org by "Deneche A. Hakim (JIRA)" <ji...@apache.org> on 2016/08/03 02:12:20 UTC

[jira] [Resolved] (ARROW-246) [Java] UnionVector doesn't call allocateNew() when creating it's vectorType

     [ https://issues.apache.org/jira/browse/ARROW-246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Deneche A. Hakim resolved ARROW-246.
------------------------------------
    Resolution: Fixed

Fixed in 56835c338f01aebcace01312e82431306e7fd578

> [Java] UnionVector doesn't call allocateNew() when creating it's vectorType
> ---------------------------------------------------------------------------
>
>                 Key: ARROW-246
>                 URL: https://issues.apache.org/jira/browse/ARROW-246
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Java - Vectors
>            Reporter: Deneche A. Hakim
>            Assignee: Deneche A. Hakim
>
> UnionVector uses a UINT1Vector to store the types of every value in the vector., but it doesn't call allocateNew() on that vector and more importantly zeroVector(). When we call setSafe() the 1st time (e.g. from PromotableVector.promoteToUnion()) it will re-allocate the vector but will fail to properly set it's content to 0. This can cause various failures when we try to access the value/type stored in the vector.



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