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https://issues.apache.org/jira/browse/HIVE-13380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15219420#comment-15219420
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Ashutosh Chauhan commented on HIVE-13380:
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yup.. since result is anyway going to be non-exact, there is no advantage for
doing computation in decimal. Since, both sql server & oracle treat
double/float higher than decimal, so it seems good idea for Hive to do so. For
b/c, we can keep this change only on 2.x line and not backport it.
> Decimal should have lower precedence than double in type hierachy
> -----------------------------------------------------------------
>
> Key: HIVE-13380
> URL: https://issues.apache.org/jira/browse/HIVE-13380
> Project: Hive
> Issue Type: Bug
> Components: Types
> Reporter: Ashutosh Chauhan
> Assignee: Ashutosh Chauhan
> Attachments: HIVE-13380.patch
>
>
> Currently its other way round. Also, decimal should be lower than float.
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