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https://issues.apache.org/jira/browse/HIVE-5267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13768732#comment-13768732
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Phabricator commented on HIVE-5267:
-----------------------------------
yhuai has commented on the revision "HIVE-5267 [jira] Use array instead of
Collections if possible in DemuxOperator".
one minor issue. other than it, the diff looks good to me.
INLINE COMMENTS
ql/src/java/org/apache/hadoop/hive/ql/exec/DemuxOperator.java:118 The size of
childInputObjInspectors is the number of children. Let's use "new
ObjectInspector[childOperators.size()];"
REVISION DETAIL
https://reviews.facebook.net/D12867
To: JIRA, navis
Cc: yhuai
> Use array instead of Collections if possible in DemuxOperator
> -------------------------------------------------------------
>
> Key: HIVE-5267
> URL: https://issues.apache.org/jira/browse/HIVE-5267
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Navis
> Assignee: Navis
> Priority: Trivial
> Attachments: HIVE-5267.D12867.1.patch
>
>
> DemuxOperator accesses Maps twice+ for each row, which can be replaced by
> array.
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