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https://issues.apache.org/jira/browse/PIG-3173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rohini Palaniswamy updated PIG-3173:
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Status: Patch Available (was: Open)
> Partition filter push down does not happen partition keys condition include a
> AND and OR construct
> --------------------------------------------------------------------------------------------------
>
> Key: PIG-3173
> URL: https://issues.apache.org/jira/browse/PIG-3173
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.10.1
> Reporter: Rohini Palaniswamy
> Assignee: Rohini Palaniswamy
> Fix For: 0.12
>
> Attachments: PIG-3173-1.patch, PIG-3173-2.patch
>
>
> A = load 'db.table' using org.apache.hcatalog.pig.HCatLoader();
> B = filter A by (region=='usa' AND dt=='201302051800') OR (region=='uk' AND
> dt=='201302051800');
> C = foreach B generate name, age;
> DUMP C;
> gives the below warning and scans the whole table.
> 2013-02-06 22:22:16,233 [main] WARN
> org.apache.pig.newplan.PColFilterExtractor - No partition filter push down:
> You have an partition column (region ) in a construction like: (pcond and
> ...) or (pcond and ...) where pcond is a condition on a partition column.
> 2013-02-06 22:22:16,233 [main] WARN
> org.apache.pig.newplan.PColFilterExtractor - No partition filter push down:
> You have an partition column (datestamp ) in a construction like: (pcond and
> ...) or (pcond and ...) where pcond is a condition on a partition column.
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