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From "Joydeep Sen Sarma (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-256) map side aggregation : number of output rows is same as number of input rows
Date Thu, 29 Jan 2009 04:49:59 GMT

    [ https://issues.apache.org/jira/browse/HIVE-256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12668341#action_12668341
] 

Joydeep Sen Sarma commented on HIVE-256:
----------------------------------------

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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