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https://issues.apache.org/jira/browse/HIVE-3776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15488527#comment-15488527
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Dan F commented on HIVE-3776:
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If you look at the Quora example, it uses functionality that is not in
collect_set() or collect_list(). The Brickhouse function collects a map if
given two arguments.
> 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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