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Posted to dev@pig.apache.org by "Rohini Palaniswamy (JIRA)" <ji...@apache.org> on 2013/02/08 17:17:14 UTC
[jira] [Created] (PIG-3173) Partition filter push down does not
happen partition keys condition include a AND and OR construct
Rohini Palaniswamy created PIG-3173:
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Summary: 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
Reporter: Rohini Palaniswamy
Assignee: Rohini Palaniswamy
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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