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https://issues.apache.org/jira/browse/HIVE-1771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12929887#action_12929887
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John Sichi commented on HIVE-1771:
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https://reviews.apache.org/r/53/diff/#index_header
> ROUND(infinity) chokes
> ----------------------
>
> Key: HIVE-1771
> URL: https://issues.apache.org/jira/browse/HIVE-1771
> Project: Hive
> Issue Type: Bug
> Components: UDF
> Affects Versions: 0.6.0
> Reporter: John Sichi
> Assignee: John Sichi
> Fix For: 0.7.0
>
> Attachments: HIVE-1771.1.patch
>
>
> Since 1-arg ROUND returns an integer, it's hard to fix this without either
> losing data (return NULL) or making a backwards-incompatible change (return
> DOUBLE instead of BIGINT).
> In any case, we should definitely fix 2-arg ROUND to preserve
> infinity/NaN/etc, since it is already returning double.
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