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Hive >> mail # dev >> Review Request 14856: HIVE-5552: Merging of QBJoinTrees doesn't handle filter pushdowns correctly


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Review Request 14856: HIVE-5552: Merging of QBJoinTrees doesn't handle filter pushdowns correctly

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/14856/
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Review request for hive and Ashutosh Chauhan.
Bugs: HIVE-5552
    https://issues.apache.org/jira/browse/HIVE-5552
Repository: hive-git
Description
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Hive currently only support views in the FROM-clause, some Facebook use cases suggest that Hive should support subqueries such as those connected by IN/EXISTS in the WHERE-clause.
Diffs
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  ql/src/java/org/apache/hadoop/hive/ql/parse/QBJoinTree.java 9834e73
  ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java 063aa65
  ql/src/test/queries/clientpositive/join_merging.q PRE-CREATION
  ql/src/test/results/clientpositive/join_merging.q.out PRE-CREATION

Diff: https://reviews.apache.org/r/14856/diff/
Testing
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ran all join tests.
added join_merging.q test
Thanks,

Harish Butani