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From " (JIRA)" <>
Subject [jira] [Commented] (HIVE-2326) Turn off bitmap indexing when map-side aggregation is turned off
Date Mon, 01 Aug 2011 20:07:11 GMT

] commented on HIVE-2326:

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(Updated 2011-08-01 20:06:37.125396)

Review request for hive, John Sichi and Ning Zhang.


add negative testcase and address comments


sets the correct object inspector for PARTIAL2, COMPLETE UDAF modes

This addresses bug HIVE-2326.

Diffs (updated)

  ql/src/java/org/apache/hadoop/hive/ql/index/ 02ab78c 
  ql/src/java/org/apache/hadoop/hive/ql/index/bitmap/ 61bbbf5 
  ql/src/java/org/apache/hadoop/hive/ql/index/compact/ 7c91946 
  ql/src/java/org/apache/hadoop/hive/ql/udf/generic/ 0a3df09 
  ql/src/test/queries/clientnegative/index_bitmap_no_map_aggr.q PRE-CREATION 
  ql/src/test/queries/clientpositive/index_bitmap_auto_no_map_aggr.q PRE-CREATION 
  ql/src/test/results/clientnegative/index_bitmap_no_map_aggr.q.out PRE-CREATION 





> Turn off bitmap indexing when map-side aggregation is turned off
> ----------------------------------------------------------------
>                 Key: HIVE-2326
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Syed S. Albiz
>            Assignee: Syed S. Albiz
>         Attachments: HIVE-2326.1.patch, HIVE-2326.2.patch
> Simply adding the CLUSTER BY clause on the ROW_OFFSET does not work with a GROUP BY clause,
causing a SemanticException when trying to compile the the index builder task. Based on conversation
with John Sichi, for now we will just turn off this feature.

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