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https://issues.apache.org/jira/browse/HIVE-578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carl Steinbach updated HIVE-578:
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Fix Version/s: 0.4.0
> Refactor partition pruning code as an optimizer transformation
> --------------------------------------------------------------
>
> Key: HIVE-578
> URL: https://issues.apache.org/jira/browse/HIVE-578
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.3.0
> Reporter: Ashish Thusoo
> Assignee: Ashish Thusoo
> Fix For: 0.4.0
>
> Attachments: patch-578.txt, patch-578_1.txt, patch-578_2.txt,
> patch-578_3.txt
>
>
> Some bugs with partition pruning have been reported and the correct fix for
> many of them is to rewrite the partition pruning code as an optimizer
> transformation which gets kicked in after the predicate pushdown code. This
> refactor also uses the graph walker framework so that the partition pruning
> code gets consolidated well with the frameworks and does not work on the
> query block but rather works on the operator tree.
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