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https://issues.apache.org/jira/browse/HIVE-4262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13624858#comment-13624858
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Hudson commented on HIVE-4262:
------------------------------
Integrated in Hive-trunk-h0.21 #2049 (See
[https://builds.apache.org/job/Hive-trunk-h0.21/2049/])
HIVE-4262 : fix last_value UDAF behavior (Harish Butani via Ashutosh
Chauhan) (Revision 1465172)
Result = ABORTED
hashutosh :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1465172
Files :
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/FunctionRegistry.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/WindowingSpec.java
* /hive/trunk/ql/src/test/queries/clientpositive/windowing_navfn.q
* /hive/trunk/ql/src/test/results/clientpositive/windowing_navfn.q.out
> fix last_value UDAF behavior
> ----------------------------
>
> Key: HIVE-4262
> URL: https://issues.apache.org/jira/browse/HIVE-4262
> Project: Hive
> Issue Type: Bug
> Components: PTF-Windowing
> Reporter: Harish Butani
> Assignee: Harish Butani
> Fix For: 0.11.0
>
> Attachments: HIVE-4262.D9837.1.patch, HIVE-4262.D9837.2.patch
>
>
> When an Order Spec is present in an Over clause
> last_value should return the value from the last row that matches the current
> row's Sort Key.
> See egs here http://msdn.microsoft.com/en-us/library/hh231517.aspx
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