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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/09/21 16:52:00 UTC

[jira] [Assigned] (SPARK-22092) Reallocation in OffHeapColumnVector.reserveInternal corrupts array data

     [ https://issues.apache.org/jira/browse/SPARK-22092?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-22092:
------------------------------------

    Assignee:     (was: Apache Spark)

> Reallocation in OffHeapColumnVector.reserveInternal corrupts array data
> -----------------------------------------------------------------------
>
>                 Key: SPARK-22092
>                 URL: https://issues.apache.org/jira/browse/SPARK-22092
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.2.0
>            Reporter: Ala Luszczak
>
> OffHeapColumnVector.reserveInternal() will only copy already inserted values during reallocation if this.data != null. However, for vectors containing arrays, field data is disused and always equals null. Hence, the reallocation of array vector always causes data loss.



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