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https://issues.apache.org/jira/browse/HIVE-2810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13220504#comment-13220504
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Phabricator commented on HIVE-2810:
-----------------------------------
cwsteinbach has commented on the revision "HIVE-2810 [jira] Implement NULL-safe
equality operator <=>".
INLINE COMMENTS
ql/src/test/queries/clientpositive/udf_equal.q:7 Please add NULL comparisons
for '=':
NULL=NULL
true=NULL
NULL=true
false=NULL
NULL=false
ql/src/test/queries/clientpositive/udf_equal.q:12 Please add the missing
comparisons from above that were used to test '='. I realize that '<=>' is
implemented in terms of '=', but the tests should treat both implementations
like black boxes. Thanks.
REVISION DETAIL
https://reviews.facebook.net/D1791
BRANCH
DPAL-843
> 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
> Affects Versions: 0.9.0
> 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
>
>
> Ref:
> http://dev.mysql.com/doc/refman/5.0/en/comparison-operators.html#operator_equal-to
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