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From Remus Rusanu <rrus...@hortonworks.com>
Subject Review Request 58531: HIVE-16317 CASE .. NULL in JOIN condition can trigger SemanticException
Date Wed, 19 Apr 2017 11:12:22 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/58531/
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Review request for hive and Ashutosh Chauhan.


Repository: hive-git


Description
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Case TOK_NULL is not expected in join condition. Query 31, after Calcite 1.12, can push an
expression like `CASE WHEN ... ELSE NULL END < CASE WHEN ... ELSE NULL END` from where
into the join condition and trigger SemanticException.


Diffs
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  ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java 77fc35d 
  ql/src/test/results/clientpositive/perf/query31.q.out 4de6eb6 


Diff: https://reviews.apache.org/r/58531/diff/1/


Testing
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Thanks,

Remus Rusanu


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