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From " (JIRA)" <>
Subject [jira] [Commented] (HIVE-2128) Automatic Indexing with multiple tables
Date Wed, 06 Jul 2011 00:04:18 GMT

] commented on HIVE-2128:

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(Updated 2011-07-06 00:03:20.513755)

Review request for hive and John Sichi.


updated patch to include testcase


Grab the indexed tables during optimized query generation, grab the associated path URIs,
and keep those around in the Configuration object. When the job is passed to ExecDriver, this
data is extracted and used in HiveIndexedInputFormat to decide whether to use the index file
or delegate to the parent (HiveInputFormat) class. Not sure if this is robust. 

This addresses bug HIVE-2128.

Diffs (updated)

  ql/src/java/org/apache/hadoop/hive/ql/exec/ 090ecfc 
  ql/src/java/org/apache/hadoop/hive/ql/index/ 617723e 
  ql/src/java/org/apache/hadoop/hive/ql/index/ f1ee95d 
  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/plan/ a03a9a6 
  ql/src/test/queries/clientpositive/index_auto_mult_tables.q PRE-CREATION 
  ql/src/test/results/clientpositive/index_auto_mult_tables.q.out PRE-CREATION 



added new testcase index_auto_mult_tables.q



> Automatic Indexing with multiple tables
> ---------------------------------------
>                 Key: HIVE-2128
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>          Components: Indexing
>    Affects Versions: 0.8.0
>            Reporter: Russell Melick
>            Assignee: Syed S. Albiz
>         Attachments: HIVE-2128.1.patch, HIVE-2128.1.patch
> Make automatic indexing work with jobs which access multiple tables.  We'll probably
need to modify the way that the index input format works in order to associate index formats/files
with specific tables.

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