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Posted to dev@hive.apache.org by "Ning Zhang (JIRA)" <ji...@apache.org> on 2010/09/30 03:13:33 UTC
[jira] Created: (HIVE-1674) count(*) returns wrong result when a
mapper returns empty results
count(*) returns wrong result when a mapper returns empty results
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Key: HIVE-1674
URL: https://issues.apache.org/jira/browse/HIVE-1674
Project: Hadoop Hive
Issue Type: Bug
Reporter: Ning Zhang
select count(*) from src where false; will return # of mappers rather than 0.
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[jira] Commented: (HIVE-1674) count(*) returns wrong result when a
mapper returns empty results
Posted by "He Yongqiang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-1674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12917856#action_12917856 ]
He Yongqiang commented on HIVE-1674:
------------------------------------
will take a look.
> count(*) returns wrong result when a mapper returns empty results
> -----------------------------------------------------------------
>
> Key: HIVE-1674
> URL: https://issues.apache.org/jira/browse/HIVE-1674
> Project: Hadoop Hive
> Issue Type: Bug
> Reporter: Ning Zhang
> Assignee: Ning Zhang
> Attachments: HIVE-1674.patch
>
>
> select count(*) from src where false; will return # of mappers rather than 0.
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[jira] Assigned: (HIVE-1674) count(*) returns wrong result when a
mapper returns empty results
Posted by "Ning Zhang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-1674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ning Zhang reassigned HIVE-1674:
--------------------------------
Assignee: Ning Zhang
> count(*) returns wrong result when a mapper returns empty results
> -----------------------------------------------------------------
>
> Key: HIVE-1674
> URL: https://issues.apache.org/jira/browse/HIVE-1674
> Project: Hadoop Hive
> Issue Type: Bug
> Reporter: Ning Zhang
> Assignee: Ning Zhang
>
> select count(*) from src where false; will return # of mappers rather than 0.
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[jira] Updated: (HIVE-1674) count(*) returns wrong result when a
mapper returns empty results
Posted by "He Yongqiang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-1674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
He Yongqiang updated HIVE-1674:
-------------------------------
Resolution: Fixed
Fix Version/s: 0.7.0
Status: Resolved (was: Patch Available)
I just committed! Thanks Ning!
> count(*) returns wrong result when a mapper returns empty results
> -----------------------------------------------------------------
>
> Key: HIVE-1674
> URL: https://issues.apache.org/jira/browse/HIVE-1674
> Project: Hadoop Hive
> Issue Type: Bug
> Reporter: Ning Zhang
> Assignee: Ning Zhang
> Fix For: 0.7.0
>
> Attachments: HIVE-1674.patch
>
>
> select count(*) from src where false; will return # of mappers rather than 0.
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[jira] Updated: (HIVE-1674) count(*) returns wrong result when a
mapper returns empty results
Posted by "Ning Zhang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-1674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ning Zhang updated HIVE-1674:
-----------------------------
Status: Patch Available (was: Open)
> count(*) returns wrong result when a mapper returns empty results
> -----------------------------------------------------------------
>
> Key: HIVE-1674
> URL: https://issues.apache.org/jira/browse/HIVE-1674
> Project: Hadoop Hive
> Issue Type: Bug
> Reporter: Ning Zhang
> Assignee: Ning Zhang
> Attachments: HIVE-1674.patch
>
>
> select count(*) from src where false; will return # of mappers rather than 0.
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[jira] Commented: (HIVE-1674) count(*) returns wrong result when a
mapper returns empty results
Posted by "He Yongqiang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-1674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12918318#action_12918318 ]
He Yongqiang commented on HIVE-1674:
------------------------------------
+1. running test.
> count(*) returns wrong result when a mapper returns empty results
> -----------------------------------------------------------------
>
> Key: HIVE-1674
> URL: https://issues.apache.org/jira/browse/HIVE-1674
> Project: Hadoop Hive
> Issue Type: Bug
> Reporter: Ning Zhang
> Assignee: Ning Zhang
> Attachments: HIVE-1674.patch
>
>
> select count(*) from src where false; will return # of mappers rather than 0.
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[jira] Updated: (HIVE-1674) count(*) returns wrong result when a
mapper returns empty results
Posted by "Ning Zhang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-1674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ning Zhang updated HIVE-1674:
-----------------------------
Attachment: HIVE-1674.patch
> count(*) returns wrong result when a mapper returns empty results
> -----------------------------------------------------------------
>
> Key: HIVE-1674
> URL: https://issues.apache.org/jira/browse/HIVE-1674
> Project: Hadoop Hive
> Issue Type: Bug
> Reporter: Ning Zhang
> Assignee: Ning Zhang
> Attachments: HIVE-1674.patch
>
>
> select count(*) from src where false; will return # of mappers rather than 0.
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