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Posted to dev@hive.apache.org by "Prasanth Jayachandran (JIRA)" <ji...@apache.org> on 2015/02/20 03:05:11 UTC

[jira] [Commented] (HIVE-9322) Make null-checks consistent for MapObjectInspector subclasses.

    [ https://issues.apache.org/jira/browse/HIVE-9322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14328457#comment-14328457 ] 

Prasanth Jayachandran commented on HIVE-9322:
---------------------------------------------

+1

> Make null-checks consistent for MapObjectInspector subclasses.
> --------------------------------------------------------------
>
>                 Key: HIVE-9322
>                 URL: https://issues.apache.org/jira/browse/HIVE-9322
>             Project: Hive
>          Issue Type: Bug
>          Components: Serializers/Deserializers
>    Affects Versions: 0.14.0
>            Reporter: Mithun Radhakrishnan
>            Assignee: Mithun Radhakrishnan
>            Priority: Minor
>         Attachments: HIVE-9322.1.patch
>
>
> {{LazyBinaryMapObjectInspector}}, {{DeepParquetHiveMapInspector}}, etc. check both the map-column value and the map-key for null, before dereferencing them. {{OrcMapObjectInspector}} and {{LazyMapObjectInspector}} do not.
> This patch brings them all in sync. Might not be a real problem, unless (for example) the lookup key is itself a (possibly null) value from another column.



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