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https://issues.apache.org/jira/browse/HIVE-528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12716778#action_12716778
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Zheng Shao commented on HIVE-528:
---------------------------------
Nitpick:
{code}
+ MapJoinObjectCtx ctx = MapJoinOperator.getMapMetadata().get(new
Integer(metadataTag));
{code}
Use Integer.valueOf() instead since this is going to be called multiple times
with the same integer number.
Also just to make sure, MapJoinOperator is a singleton so that getMapMetadata()
can be defined as a static function?
is it possible to have 2 MapJoinOperator in the same mapper? (let's assume
their join keys are different so they cannot be merged)
> Map Join followup: split MapJoinObject into MapJoinObjectKey and
> MapJoinObjectValue
> -----------------------------------------------------------------------------------
>
> Key: HIVE-528
> URL: https://issues.apache.org/jira/browse/HIVE-528
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.4.0
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.528.1.patch
>
>
> split MapJoinObject into MapJoinObjectKey and MapJoinObjectValue for code
> cleanup
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