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https://issues.apache.org/jira/browse/HIVE-256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12668341#action_12668341
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Joydeep Sen Sarma commented on HIVE-256:
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the getSize() call ignores the field altogether. it looks at the aggregation
class. the code seems to indicate that the intent was to sum up the sizes of
the fields in the aggregation class - so something amiss there. perhaps we
should just open a separate jira since the issue here is resolved.
ok - got it on the numEntries thing - seems like we never call shouldFlushed
with hashsize of zero.
> map side aggregation : number of output rows is same as number of input rows
> ----------------------------------------------------------------------------
>
> Key: HIVE-256
> URL: https://issues.apache.org/jira/browse/HIVE-256
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Reporter: Namit Jain
> Assignee: Namit Jain
> Fix For: 0.2.0
>
> Attachments: patch-256.1.txt
>
>
> map side aggregation : number of output rows is same as number of input rows
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