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From "Phabricator (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-2498) Group by operator doesnt estimate size of Timestamp & Binary data correctly
Date Wed, 07 Mar 2012 04:46:02 GMT

     [ https://issues.apache.org/jira/browse/HIVE-2498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Phabricator updated HIVE-2498:
------------------------------

    Attachment: HIVE-2498.D2145.1.patch

ashutoshc requested code review of "HIVE-2498 [jira] Group by operator doesnt estimate size
of Timestamp & Binary data correctly".
Reviewers: JIRA

  https://issues.apache.org/jira/browse/HIVE-2498

  Rebased to trunk.

  It currently defaults to default case and returns constant value, whereas we can do better
by getting actual size at runtime.

TEST PLAN
  EMPTY

REVISION DETAIL
  https://reviews.facebook.net/D2145

AFFECTED FILES
  serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/ObjectInspectorUtils.java
  ql/src/test/results/clientpositive/groupby_complex_types.q.out
  ql/src/test/queries/clientpositive/groupby_complex_types.q

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> Group by operator doesnt estimate size of Timestamp & Binary data correctly
> ---------------------------------------------------------------------------
>
>                 Key: HIVE-2498
>                 URL: https://issues.apache.org/jira/browse/HIVE-2498
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.8.0, 0.8.1
>            Reporter: Ashutosh Chauhan
>            Assignee: Ashutosh Chauhan
>             Fix For: 0.9.0
>
>         Attachments: HIVE-2498.D1185.1.patch, HIVE-2498.D2145.1.patch, hive-2498.patch,
hive-2498_1.patch
>
>
> It currently defaults to default case and returns constant value, whereas we can do better
by getting actual size at runtime.

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