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https://issues.apache.org/jira/browse/HIVE-15334?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Dere updated HIVE-15334:
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Attachment: HIVE-15334.2.patch
fix golden file diffs
> HIVE-13945 changed scale rules for division
> -------------------------------------------
>
> Key: HIVE-15334
> URL: https://issues.apache.org/jira/browse/HIVE-15334
> Project: Hive
> Issue Type: Bug
> Components: Types
> Reporter: Jason Dere
> Assignee: Jason Dere
> Attachments: HIVE-15334.1.patch, HIVE-15334.2.patch
>
>
> Looks like HIVE-13945 change the decimal division precision/scale rules - the
> explanation being "Changed the default decimal precision in division, not
> sure why it was so low by default."
> (https://issues.apache.org/jira/browse/HIVE-13945?focusedCommentId=15354403&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15354403)
> As far as I can tell this causes decimal division to have a minimum scale of
> 18.
> cc [~sershe] - the rules that were in place were based on the SQL Server
> precision/scale rules in
> https://msdn.microsoft.com/en-us/library/ms190476.aspx
> I'd like to revert this change to precision/scale rules
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