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https://issues.apache.org/jira/browse/HIVE-5918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13838404#comment-13838404
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Sergey Shelukhin commented on HIVE-5918:
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We discussed w/[~jnp]; the cause appears to be
GenericUDFOPDivide::deriveResultExactTypeInfo, which is always decimal, from
HIVE-5356. So, ints are exact types, and this goes to decimal. Didn't discuss
solutions yet.
Ideally, we should have vectorization support for decimal.
> int / int division does not vectorize due to type checks
> --------------------------------------------------------
>
> Key: HIVE-5918
> URL: https://issues.apache.org/jira/browse/HIVE-5918
> Project: Hive
> Issue Type: Bug
> Components: Vectorization
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
>
> When I try to vectorize e.g. select cbigint / 0 from alltypesorc, (with some
> logging added), I get my logging
> physical.Vectorizer (Vectorizer.java:validateExprNodeDescRecursive(642)) -
> failed to validate type: decimal(25,6); (cbigint / 0)
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