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Nita Dembla commented on HIVE-12643: ------------------------------------ I've tested a slightly modified version of the patch. Original changes to following files were rejected - ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/Vectorizer.java - ql/src/java/org/apache/hadoop/hive/ql/exec/MapOperator.java And following file needed modifications - ql/src/java/org/apache/hadoop/hive/ql/plan/PartitionDesc.java > For self describing InputFormat don't replicate schema information in > partitions > -------------------------------------------------------------------------------- > > Key: HIVE-12643 > URL: https://issues.apache.org/jira/browse/HIVE-12643 > Project: Hive > Issue Type: Bug > Components: Query Planning > Affects Versions: 2.0.0 > Reporter: Ashutosh Chauhan > Assignee: Ashutosh Chauhan > Attachments: HIVE-12643.1.patch, HIVE-12643.2.patch, > HIVE-12643.3.patch, HIVE-12643.3.patch, HIVE-12643.patch > > > Since self describing Input Formats don't use individual partition schemas > for schema resolution, there is no need to send that info to tasks. > Doing this should cut down plan size. -- This message was sent by Atlassian JIRA (v6.3.4#6332)