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Date: Wed, 11 Jan 2012 12:23:40 +0000 (UTC)
From: "Phabricator (Updated) (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (HIVE-2498) Group by operator doesnt estimate size
 of Timestamp & Binary data correctly
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     [ https://issues.apache.org/jira/browse/HIVE-2498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

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

    Attachment: HIVE-2498.D1185.1.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

  Better size estimate for timestamp and binary datatypes

  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/D1185

AFFECTED FILES
  ql/src/java/org/apache/hadoop/hive/ql/exec/GroupByOperator.java

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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: 0.9.0
>            Reporter: Ashutosh Chauhan
>            Assignee: Ashutosh Chauhan
>         Attachments: HIVE-2498.D1185.1.patch, hive-2498.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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