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https://issues.apache.org/jira/browse/HIVE-3776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15488513#comment-15488513
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Ruslan Dautkhanov commented on HIVE-3776:
-----------------------------------------

Wonder why he suggested to use COLLECT() from Brickhouse?
Hive has collect_set() and collect_list() that would do the same:
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF#LanguageManualUDF-Built-inAggregateFunctions(UDAF)


> support PIVOT in hive
> ---------------------
>
>                 Key: HIVE-3776
>                 URL: https://issues.apache.org/jira/browse/HIVE-3776
>             Project: Hive
>          Issue Type: New Feature
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>
> It is a fairly well understood feature in databases.



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