hive-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Navis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-7304) Transitive Predicate Propagation doesn't happen properly after HIVE-7159
Date Mon, 30 Jun 2014 01:27:24 GMT

    [ https://issues.apache.org/jira/browse/HIVE-7304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14047300#comment-14047300
] 

Navis commented on HIVE-7304:
-----------------------------

LGTM. +1

> Transitive Predicate Propagation doesn't happen properly after HIVE-7159
> ------------------------------------------------------------------------
>
>                 Key: HIVE-7304
>                 URL: https://issues.apache.org/jira/browse/HIVE-7304
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Harish Butani
>            Assignee: Harish Butani
>         Attachments: HIVE-7304.1.patch, HIVE-7304.2.patch
>
>
> The reason for the regression is that PredicateTransitivePropagate looks at the FilterOperator
below the ReduceSink. 
> SemanticAnalyzer::genNotNullFilterForJoinSourcePlan was stacking another FilterOp for
the not null check, so only that predicate was being applied transitively by PredicateTransitivePropagate.



--
This message was sent by Atlassian JIRA
(v6.2#6252)

Mime
View raw message