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https://issues.apache.org/jira/browse/HIVE-2810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13224440#comment-13224440
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Hudson commented on HIVE-2810:
------------------------------
Integrated in Hive-trunk-h0.21 #1295 (See
[https://builds.apache.org/job/Hive-trunk-h0.21/1295/])
HIVE-2827 [jira] Implement nullsafe equi-join
(Navis Ryu via Carl Steinbach)
Summary:
DPAL-873 Implement nullsafe equi-join
was part of HIVE-2810, but separated because it affected more classes than
expected.
SELECT * FROM a JOIN b ON a.key <=> b.key
Test Plan: EMPTY
Reviewers: JIRA, cwsteinbach
Reviewed By: cwsteinbach
Differential Revision: https://reviews.facebook.net/D1971 (Revision 1297919)
Result = SUCCESS
cws : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1297919
Files :
* /hive/trunk/data/files/in8.txt
* /hive/trunk/data/files/in9.txt
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/AbstractMapJoinOperator.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/CommonJoinOperator.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/JoinOperator.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/MapJoinOperator.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/SMBMapJoinOperator.java
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/persistence/AbstractMapJoinKey.java
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/persistence/MapJoinDoubleKeys.java
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/persistence/MapJoinObjectKey.java
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/persistence/MapJoinSingleKey.java
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/MapJoinProcessor.java
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/GenMRSkewJoinProcessor.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/QBJoinTree.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/JoinDesc.java
* /hive/trunk/ql/src/test/queries/clientpositive/join_nullsafe.q
* /hive/trunk/ql/src/test/results/clientpositive/join_nullsafe.q.out
* /hive/trunk/ql/src/test/results/compiler/plan/join1.q.xml
* /hive/trunk/ql/src/test/results/compiler/plan/join2.q.xml
* /hive/trunk/ql/src/test/results/compiler/plan/join3.q.xml
* /hive/trunk/ql/src/test/results/compiler/plan/join4.q.xml
* /hive/trunk/ql/src/test/results/compiler/plan/join5.q.xml
* /hive/trunk/ql/src/test/results/compiler/plan/join6.q.xml
* /hive/trunk/ql/src/test/results/compiler/plan/join7.q.xml
* /hive/trunk/ql/src/test/results/compiler/plan/join8.q.xml
* /hive/trunk/serde/src/java/org/apache/hadoop/hive/serde2/SerDeUtils.java
> Implement NULL-safe equality operator <=>
> -----------------------------------------
>
> Key: HIVE-2810
> URL: https://issues.apache.org/jira/browse/HIVE-2810
> Project: Hive
> Issue Type: New Feature
> Components: Query Processor, UDF
> Reporter: Carl Steinbach
> Assignee: Navis
> Fix For: 0.9.0
>
> Attachments: HIVE-2810.D1791.1.patch, HIVE-2810.D1791.2.patch,
> HIVE-2810.D1791.3.patch, HIVE-2810.D1791.4.patch
>
>
> Ref:
> http://dev.mysql.com/doc/refman/5.0/en/comparison-operators.html#operator_equal-to
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