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https://issues.apache.org/jira/browse/HIVE-14155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15381523#comment-15381523
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Ashutosh Chauhan commented on HIVE-14155:
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+1
> Vectorization: Custom UDF Vectorization annotations are ignored
> ---------------------------------------------------------------
>
> Key: HIVE-14155
> URL: https://issues.apache.org/jira/browse/HIVE-14155
> Project: Hive
> Issue Type: Bug
> Components: UDF, Vectorization
> Affects Versions: 2.2.0
> Reporter: Gopal V
> Assignee: Gopal V
> Attachments: HIVE-14155.1.patch, HIVE-14155.2.patch
>
>
> {code}
> @VectorizedExpressions(value = { VectorStringRot13.class })
> {code}
> in a custom UDF Is ignored because the check for annotations happens after
> custom UDF detection.
> The custom UDF codepath is on the fail-over track of annotation lookups, so
> the detection during validation of SEL is sufficient, instead of during
> expression creation.
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