Review Request 35358: HIVE-10841: [WHERE col is not null] does not work sometimes for queries with many JOIN statements

[John Pullokkaran]

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Review request for hive and Ashutosh Chauhan.


Bugs: HIVE-10841
    https://issues.apache.org/jira/browse/HIVE-10841


Repository: hive-git


Description
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Invalid PPD results in incorrect result. Fix Join Merge to update leftaliases.


Diffs
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  ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java 82f8ef0 
  ql/src/test/queries/clientpositive/join42.q PRE-CREATION 
  ql/src/test/results/clientpositive/join42.q.out PRE-CREATION 

Diff: https://reviews.apache.org/r/35358/diff/


Testing
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Unit Test


Thanks,

John Pullokkaran