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Posted to dev@hive.apache.org by "Alexander Pivovarov (JIRA)" <ji...@apache.org> on 2015/02/09 06:23:34 UTC

[jira] [Commented] (HIVE-9402) Create GREATEST and LEAST udf

    [ https://issues.apache.org/jira/browse/HIVE-9402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14311809#comment-14311809 ] 

Alexander Pivovarov commented on HIVE-9402:
-------------------------------------------

Added the function description to the wiki

> Create GREATEST and LEAST udf
> -----------------------------
>
>                 Key: HIVE-9402
>                 URL: https://issues.apache.org/jira/browse/HIVE-9402
>             Project: Hive
>          Issue Type: Task
>          Components: UDF
>            Reporter: Alexander Pivovarov
>            Assignee: Alexander Pivovarov
>             Fix For: 0.15.0
>
>         Attachments: HIVE-9402.1.patch, HIVE-9402.2.patch, HIVE-9402.3.patch, HIVE-9402.4.patch, HIVE-9402.4.patch, HIVE-9402.5.patch, HIVE-9402.5.patch, HIVE-9402.6.patch, HIVE-9402.7.patch
>
>
> GREATEST function returns the greatest value in a list of values
> Signature: T greatest(T v1, T v2, ...)
> all values should be the same type (like in COALESCE)
> LEAST returns the least value in a list of values
> Signature: T least(T v1, T v2, ...)



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