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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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Re: Review Request 14856: HIVE-5552: Merging of QBJoinTrees doesn't handle filter pushdowns correctly
Ashutosh Chauhan 2013-10-24, 17:45

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https://reviews.apache.org/r/14856/#review27465
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ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
<https://reviews.apache.org/r/14856/#comment53386>

    Also, I think following may be needed:
    * HiveParser.KW_ARRAY
    * HiveParser.KW_STRUCT
    * HiveParser.KW_MAP
- Ashutosh Chauhan
On Oct. 22, 2013, 8:52 p.m., Harish Butani wrote:
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/14856/
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> (Updated Oct. 22, 2013, 8:52 p.m.)
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> Review request for hive and Ashutosh Chauhan.
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> Bugs: HIVE-5552
>     https://issues.apache.org/jira/browse/HIVE-5552
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> Repository: hive-git
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> 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.
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> 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
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> Diff: https://reviews.apache.org/r/14856/diff/
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> Testing
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> ran all join tests.
> added join_merging.q test
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> Thanks,
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> Harish Butani
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