hive-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-14563) StatsOptimizer treats NULL in a wrong way
Date Thu, 18 Aug 2016 21:54:21 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15427232#comment-15427232
] 

Ashutosh Chauhan commented on HIVE-14563:
-----------------------------------------

Can you create a RB for it?

> StatsOptimizer treats NULL in a wrong way
> -----------------------------------------
>
>                 Key: HIVE-14563
>                 URL: https://issues.apache.org/jira/browse/HIVE-14563
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Pengcheng Xiong
>            Assignee: Pengcheng Xiong
>         Attachments: HIVE-14563.01.patch
>
>
> {code}
> OSTHOOK: query: explain select count(key) from (select null as key from src)src
> POSTHOOK: type: QUERY
> STAGE DEPENDENCIES:
>   Stage-0 is a root stage
> STAGE PLANS:
>   Stage: Stage-0
>     Fetch Operator
>       limit: 1
>       Processor Tree:
>         ListSink
> PREHOOK: query: select count(key) from (select null as key from src)src
> PREHOOK: type: QUERY
> PREHOOK: Input: default@src
> #### A masked pattern was here ####
> POSTHOOK: query: select count(key) from (select null as key from src)src
> POSTHOOK: type: QUERY
> POSTHOOK: Input: default@src
> #### A masked pattern was here ####
> 500
> {code}



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message