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https://issues.apache.org/jira/browse/HIVE-2561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13154733#comment-13154733
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Phabricator commented on HIVE-2561:
-----------------------------------
jsichi has commented on the revision "HIVE-2561 [jira] Add an annotation to
UDFs to allow them to specify additional FILE/JAR resources necessary for
execution".
INLINE COMMENTS
ql/src/java/org/apache/hadoop/hive/ql/exec/FunctionRegistry.java:1091 The
statefulness refers to the user-visible behavior of the function, not to its
implementation.
By declaring in_file to be stateful, you'd be preventing it from being used
in the WHERE clause, and there's no reason for that restriction.
ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFInFile.java:41
I'm not expecting any differences; if there were any it would probably have to
do with how the filename is qualified.
We have a "minimr" test mode; I'm not sure whether it exercises all the same
code paths as the real thing with respect to added files. Tests named in
build-common.xml's minimr.query.files get run in this mode.
REVISION DETAIL
https://reviews.facebook.net/D507
> Allow UDFs to specify additional FILE/JAR resources necessary for execution
> ---------------------------------------------------------------------------
>
> Key: HIVE-2561
> URL: https://issues.apache.org/jira/browse/HIVE-2561
> Project: Hive
> Issue Type: New Feature
> Reporter: Jonathan Chang
> Assignee: Jonathan Chang
> Attachments: HIVE-2561.D507.1.patch
>
>
> Often times UDFs will have dependencies to external JARs/FILEs. It makes
> sense for these to be encoded by the UDF (rather than having the caller
> remember the set of files that need to be ADDed). Let's add an annotation to
> UDFs which will cause these resources to be auto-added.
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