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Posted to dev@hive.apache.org by "Namit Jain (JIRA)" <ji...@apache.org> on 2009/03/24 18:56:51 UTC
[jira] Created: (HIVE-363) [hive] extra rows for count distinct
[hive] extra rows for count distinct
------------------------------------
Key: HIVE-363
URL: https://issues.apache.org/jira/browse/HIVE-363
Project: Hadoop Hive
Issue Type: Bug
Components: Query Processor
Affects Versions: 0.3.0
Reporter: Namit Jain
Assignee: Namit Jain
select count(distinct a) from T
returns dummy rows from all reducers if number of reducers are more than 1
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[jira] Commented: (HIVE-363) [hive] extra rows for count distinct
Posted by "Raghotham Murthy (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12688797#action_12688797 ]
Raghotham Murthy commented on HIVE-363:
---------------------------------------
looks like the dummyRow flag is not being used anywhere during execution time.
> [hive] extra rows for count distinct
> ------------------------------------
>
> Key: HIVE-363
> URL: https://issues.apache.org/jira/browse/HIVE-363
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.3.0
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.363.1.patch
>
>
> select count(distinct a) from T
> returns dummy rows from all reducers if number of reducers are more than 1
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[jira] Updated: (HIVE-363) [hive] extra rows for count distinct
Posted by "Namit Jain (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Namit Jain updated HIVE-363:
----------------------------
Status: Open (was: Patch Available)
> [hive] extra rows for count distinct
> ------------------------------------
>
> Key: HIVE-363
> URL: https://issues.apache.org/jira/browse/HIVE-363
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.3.0
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.363.1.patch, hive.363.2.patch
>
>
> select count(distinct a) from T
> returns dummy rows from all reducers if number of reducers are more than 1
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[jira] Updated: (HIVE-363) [hive] extra rows for count distinct
Posted by "Namit Jain (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Namit Jain updated HIVE-363:
----------------------------
Attachment: hive.363.2.patch
> [hive] extra rows for count distinct
> ------------------------------------
>
> Key: HIVE-363
> URL: https://issues.apache.org/jira/browse/HIVE-363
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.3.0
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.363.1.patch, hive.363.2.patch
>
>
> select count(distinct a) from T
> returns dummy rows from all reducers if number of reducers are more than 1
--
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You can reply to this email to add a comment to the issue online.
[jira] Updated: (HIVE-363) [hive] extra rows for count distinct
Posted by "Namit Jain (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Namit Jain updated HIVE-363:
----------------------------
Attachment: hive.363.3.patch
> [hive] extra rows for count distinct
> ------------------------------------
>
> Key: HIVE-363
> URL: https://issues.apache.org/jira/browse/HIVE-363
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.3.0
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.363.1.patch, hive.363.2.patch, hive.363.3.patch
>
>
> select count(distinct a) from T
> returns dummy rows from all reducers if number of reducers are more than 1
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[jira] Commented: (HIVE-363) [hive] extra rows for count distinct
Posted by "Raghotham Murthy (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12688921#action_12688921 ]
Raghotham Murthy commented on HIVE-363:
---------------------------------------
Looks like the dummyRow flag is not needed at all. All we need to do is force using exactly one reducer for full-table aggregates, i.e., if there are no grouping keys.
> [hive] extra rows for count distinct
> ------------------------------------
>
> Key: HIVE-363
> URL: https://issues.apache.org/jira/browse/HIVE-363
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.3.0
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.363.1.patch, hive.363.2.patch
>
>
> select count(distinct a) from T
> returns dummy rows from all reducers if number of reducers are more than 1
--
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You can reply to this email to add a comment to the issue online.
[jira] Updated: (HIVE-363) [hive] extra rows for count distinct
Posted by "Namit Jain (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Namit Jain updated HIVE-363:
----------------------------
Resolution: Fixed
Fix Version/s: 0.3.0
Hadoop Flags: [Reviewed]
Status: Resolved (was: Patch Available)
committed
> [hive] extra rows for count distinct
> ------------------------------------
>
> Key: HIVE-363
> URL: https://issues.apache.org/jira/browse/HIVE-363
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.3.0
> Reporter: Namit Jain
> Assignee: Namit Jain
> Fix For: 0.3.0
>
> Attachments: hive.363.1.patch, hive.363.2.patch, hive.363.3.patch
>
>
> select count(distinct a) from T
> returns dummy rows from all reducers if number of reducers are more than 1
--
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You can reply to this email to add a comment to the issue online.
[jira] Commented: (HIVE-363) [hive] extra rows for count distinct
Posted by "Raghotham Murthy (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12688966#action_12688966 ]
Raghotham Murthy commented on HIVE-363:
---------------------------------------
+1
looks good.
> [hive] extra rows for count distinct
> ------------------------------------
>
> Key: HIVE-363
> URL: https://issues.apache.org/jira/browse/HIVE-363
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.3.0
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.363.1.patch, hive.363.2.patch, hive.363.3.patch
>
>
> select count(distinct a) from T
> returns dummy rows from all reducers if number of reducers are more than 1
--
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You can reply to this email to add a comment to the issue online.
[jira] Updated: (HIVE-363) [hive] extra rows for count distinct
Posted by "Namit Jain (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Namit Jain updated HIVE-363:
----------------------------
Status: Patch Available (was: Open)
> [hive] extra rows for count distinct
> ------------------------------------
>
> Key: HIVE-363
> URL: https://issues.apache.org/jira/browse/HIVE-363
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.3.0
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.363.1.patch
>
>
> select count(distinct a) from T
> returns dummy rows from all reducers if number of reducers are more than 1
--
This message is automatically generated by JIRA.
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You can reply to this email to add a comment to the issue online.
[jira] Updated: (HIVE-363) [hive] extra rows for count distinct
Posted by "Namit Jain (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Namit Jain updated HIVE-363:
----------------------------
Status: Open (was: Patch Available)
> [hive] extra rows for count distinct
> ------------------------------------
>
> Key: HIVE-363
> URL: https://issues.apache.org/jira/browse/HIVE-363
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.3.0
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.363.1.patch, hive.363.2.patch
>
>
> select count(distinct a) from T
> returns dummy rows from all reducers if number of reducers are more than 1
--
This message is automatically generated by JIRA.
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You can reply to this email to add a comment to the issue online.
[jira] Updated: (HIVE-363) [hive] extra rows for count distinct
Posted by "Namit Jain (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Namit Jain updated HIVE-363:
----------------------------
Status: Patch Available (was: Open)
> [hive] extra rows for count distinct
> ------------------------------------
>
> Key: HIVE-363
> URL: https://issues.apache.org/jira/browse/HIVE-363
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.3.0
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.363.1.patch, hive.363.2.patch
>
>
> select count(distinct a) from T
> returns dummy rows from all reducers if number of reducers are more than 1
--
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You can reply to this email to add a comment to the issue online.
[jira] Updated: (HIVE-363) [hive] extra rows for count distinct
Posted by "Namit Jain (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Namit Jain updated HIVE-363:
----------------------------
Status: Patch Available (was: Open)
> [hive] extra rows for count distinct
> ------------------------------------
>
> Key: HIVE-363
> URL: https://issues.apache.org/jira/browse/HIVE-363
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.3.0
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.363.1.patch, hive.363.2.patch, hive.363.3.patch
>
>
> select count(distinct a) from T
> returns dummy rows from all reducers if number of reducers are more than 1
--
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You can reply to this email to add a comment to the issue online.
[jira] Updated: (HIVE-363) [hive] extra rows for count distinct
Posted by "Namit Jain (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Namit Jain updated HIVE-363:
----------------------------
Attachment: hive.363.1.patch
> [hive] extra rows for count distinct
> ------------------------------------
>
> Key: HIVE-363
> URL: https://issues.apache.org/jira/browse/HIVE-363
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.3.0
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.363.1.patch
>
>
> select count(distinct a) from T
> returns dummy rows from all reducers if number of reducers are more than 1
--
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You can reply to this email to add a comment to the issue online.