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https://issues.apache.org/jira/browse/HIVE-2532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13147988#comment-13147988
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Phabricator commented on HIVE-2532:
-----------------------------------
jsichi has requested changes to the revision "HIVE-2532 [jira] Evaluation of
non-deterministic/stateful UDFs should not be skipped even if constant oi is
returned.".
INLINE COMMENTS
ql/src/java/org/apache/hadoop/hive/ql/exec/ExprNodeGenericFuncEvaluator.java:144
Note that Java does not short-circuit the &= assignment.
http://stackoverflow.com/questions/3152208/do-and-short-circuit-in-java
ql/src/java/org/apache/hadoop/hive/ql/exec/ExprNodeEvaluator.java:43 Need
Javadoc here.
REVISION DETAIL
https://reviews.facebook.net/D273
> Evaluation of non-deterministic/stateful UDFs should not be skipped even if
> constant oi is returned.
> ----------------------------------------------------------------------------------------------------
>
> Key: HIVE-2532
> URL: https://issues.apache.org/jira/browse/HIVE-2532
> Project: Hive
> Issue Type: Bug
> Reporter: Jonathan Chang
> Assignee: Jonathan Chang
> Attachments: D273.1.patch, D273.2.patch
>
>
> Even if constant oi is returned, these may have stateful/side-effect behavior
> and hence need to be called each cycle.
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