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https://issues.apache.org/jira/browse/HIVE-9443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14290985#comment-14290985
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Gopal V commented on HIVE-9443:
-------------------------------
Committed to trunk, thanks [~prasanth_j].
> ORC PPD - fix fuzzy case evaluation of IS_NULL
> ----------------------------------------------
>
> Key: HIVE-9443
> URL: https://issues.apache.org/jira/browse/HIVE-9443
> Project: Hive
> Issue Type: Bug
> Components: File Formats
> Affects Versions: 0.15.0
> Reporter: Gopal V
> Assignee: Gopal V
> Fix For: 0.15.0
>
> Attachments: HIVE-9443.1.patch, HIVE-9443.2.patch, HIVE-9443.3.patch
>
>
> CLEAR LIBRARY CACHE
> ORC PPD returns IS_NULL wrong for the fuzz case of some-nulls.
> The code-flow in effect should be
> {code}
> if (min == null) {
> // all nulls
> return YES;
> } else {
> if (hasNull == true) {
> // some nulls
> return YES_NO; //maybe
> }
> // no nulls
> return NO;
> }
> {code}
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