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Posted to dev@hive.apache.org by Vineet Garg <vg...@hortonworks.com> on 2017/09/13 22:24:39 UTC

Review Request 62310: HIVE-17493 Improve PKFK cardinality estimation in Physical planning

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https://reviews.apache.org/r/62310/
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Review request for hive and Ashutosh Chauhan.


Bugs: HIVE-17493
    https://issues.apache.org/jira/browse/HIVE-17493


Repository: hive-git


Description
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This patch improvies the cardinality estimation for PK-FK relationship.


Diffs
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  ql/src/java/org/apache/hadoop/hive/ql/optimizer/stats/annotation/StatsRulesProcFactory.java 423913b56b 


Diff: https://reviews.apache.org/r/62310/diff/1/


Testing
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Thanks,

Vineet Garg