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https://issues.apache.org/jira/browse/HIVE-2827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Phabricator updated HIVE-2827:
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Attachment: HIVE-2827.D1971.1.patch
navis requested code review of "HIVE-2827 [jira] Implement nullsafe equi-join".
Reviewers: JIRA
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
REVISION DETAIL
https://reviews.facebook.net/D1971
AFFECTED FILES
common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
data/files/in8.txt
data/files/in9.txt
ql/src/java/org/apache/hadoop/hive/ql/exec/AbstractMapJoinOperator.java
ql/src/java/org/apache/hadoop/hive/ql/exec/CommonJoinOperator.java
ql/src/java/org/apache/hadoop/hive/ql/exec/ConditionalTask.java
ql/src/java/org/apache/hadoop/hive/ql/exec/JoinOperator.java
ql/src/java/org/apache/hadoop/hive/ql/exec/MapJoinOperator.java
ql/src/java/org/apache/hadoop/hive/ql/exec/SMBMapJoinOperator.java
ql/src/java/org/apache/hadoop/hive/ql/exec/persistence/AbstractMapJoinKey.java
ql/src/java/org/apache/hadoop/hive/ql/exec/persistence/MapJoinDoubleKeys.java
ql/src/java/org/apache/hadoop/hive/ql/exec/persistence/MapJoinObjectKey.java
ql/src/java/org/apache/hadoop/hive/ql/exec/persistence/MapJoinSingleKey.java
ql/src/java/org/apache/hadoop/hive/ql/optimizer/MapJoinProcessor.java
ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/GenMRSkewJoinProcessor.java
ql/src/java/org/apache/hadoop/hive/ql/parse/ErrorMsg.java
ql/src/java/org/apache/hadoop/hive/ql/parse/ParseDriver.java
ql/src/java/org/apache/hadoop/hive/ql/parse/QBJoinTree.java
ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
ql/src/java/org/apache/hadoop/hive/ql/plan/JoinDesc.java
ql/src/test/queries/clientpositive/join_nullsafe.q
ql/src/test/results/clientpositive/join_nullsafe.q.out
serde/src/java/org/apache/hadoop/hive/serde2/SerDeUtils.java
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> Implement nullsafe equi-join
> ----------------------------
>
> Key: HIVE-2827
> URL: https://issues.apache.org/jira/browse/HIVE-2827
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Environment: ubuntu 10.04
> Reporter: Navis
> Assignee: Navis
> Priority: Minor
> Attachments: HIVE-2827.D1971.1.patch
>
>
> was part of HIVE-2810, but separated because it affected more classes than
> expected.
> {noformat}
> SELECT * FROM a JOIN b ON a.key <=> b.key
> {noformat}
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