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Posted to dev@hive.apache.org by "Prasad Chakka (JIRA)" <ji...@apache.org> on 2009/06/29 23:24:47 UTC
[jira] Created: (HIVE-592) renaming internal table should rename
HDFS and also change path of the table and partitions accordingly.
renaming internal table should rename HDFS and also change path of the table and partitions accordingly.
--------------------------------------------------------------------------------------------------------
Key: HIVE-592
URL: https://issues.apache.org/jira/browse/HIVE-592
Project: Hadoop Hive
Issue Type: Bug
Reporter: Prasad Chakka
Assignee: Prasad Chakka
rename table changes just the name of the table in metastore but not hdfs. so if a table with old name is created, it uses the hdfs directory pointing to the renamed table.
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[jira] Commented: (HIVE-592) renaming internal table should rename
HDFS and also change path of the table and partitions accordingly.
Posted by "Zheng Shao (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12806142#action_12806142 ]
Zheng Shao commented on HIVE-592:
---------------------------------
Tried renaming table on both branch-0.4 and branch-0.5. Both worked as expected (locations are modified).
> renaming internal table should rename HDFS and also change path of the table and partitions accordingly.
> --------------------------------------------------------------------------------------------------------
>
> Key: HIVE-592
> URL: https://issues.apache.org/jira/browse/HIVE-592
> Project: Hadoop Hive
> Issue Type: Bug
> Affects Versions: 0.3.0, 0.3.1, 0.4.0, 0.6.0
> Reporter: Prasad Chakka
> Assignee: Prasad Chakka
> Fix For: 0.4.0
>
> Attachments: hive-592.2.patch, hive-592.3.patch
>
>
> rename table changes just the name of the table in metastore but not hdfs. so if a table with old name is created, it uses the hdfs directory pointing to the renamed table.
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[jira] Updated: (HIVE-592) renaming internal table should rename
HDFS and also change path of the table and partitions accordingly.
Posted by "Zheng Shao (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zheng Shao updated HIVE-592:
----------------------------
Resolution: Fixed
Release Note: HIVE-592. Renaming internal table should rename HDFS. (Prasad Chakka via zshao)
Hadoop Flags: [Reviewed]
Status: Resolved (was: Patch Available)
Committed. Thanks Prasad.
> renaming internal table should rename HDFS and also change path of the table and partitions accordingly.
> --------------------------------------------------------------------------------------------------------
>
> Key: HIVE-592
> URL: https://issues.apache.org/jira/browse/HIVE-592
> Project: Hadoop Hive
> Issue Type: Bug
> Affects Versions: 0.2.0, 0.3.0, 0.3.1, 0.4.0
> Reporter: Prasad Chakka
> Assignee: Prasad Chakka
> Fix For: 0.4.0
>
> Attachments: hive-592.2.patch, hive-592.3.patch
>
>
> rename table changes just the name of the table in metastore but not hdfs. so if a table with old name is created, it uses the hdfs directory pointing to the renamed table.
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[jira] Commented: (HIVE-592) renaming internal table should rename
HDFS and also change path of the table and partitions accordingly.
Posted by "Prasad Chakka (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12731815#action_12731815 ]
Prasad Chakka commented on HIVE-592:
------------------------------------
this patch changes the way 'alter table old_tbl_name rename to new_tbl_name' behaves which is quite different from before and may affect users that depend on older functionality.
older behavior:
just the table name is changed but the underlying hdfs location (<warehouse_root>/old_tbl) is unchanged.
new behavior:
following changed on a rename for tables that are not created as external tables
- table name
- move underlying data from <warehouse_root>/old_tbl to <warehouse_root>/new_tbl
- location of table in metadata
- location of partitions in metadata
rename fails in the following scenarios
- a table with a new name already exists
- <warehouse_root>/new_tbl already exists or can't be created
- <warehouse_root>/old_tbl is not accessible
> renaming internal table should rename HDFS and also change path of the table and partitions accordingly.
> --------------------------------------------------------------------------------------------------------
>
> Key: HIVE-592
> URL: https://issues.apache.org/jira/browse/HIVE-592
> Project: Hadoop Hive
> Issue Type: Bug
> Affects Versions: 0.2.0, 0.3.0, 0.3.1, 0.4.0
> Reporter: Prasad Chakka
> Assignee: Prasad Chakka
> Fix For: 0.4.0
>
> Attachments: hive-592.2.patch, hive-592.3.patch
>
>
> rename table changes just the name of the table in metastore but not hdfs. so if a table with old name is created, it uses the hdfs directory pointing to the renamed table.
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[jira] Commented: (HIVE-592) renaming internal table should rename
HDFS and also change path of the table and partitions accordingly.
Posted by "Zheng Shao (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12731311#action_12731311 ]
Zheng Shao commented on HIVE-592:
---------------------------------
Can you remove MIndex.java? I think it belongs to a different transaction?
> renaming internal table should rename HDFS and also change path of the table and partitions accordingly.
> --------------------------------------------------------------------------------------------------------
>
> Key: HIVE-592
> URL: https://issues.apache.org/jira/browse/HIVE-592
> Project: Hadoop Hive
> Issue Type: Bug
> Affects Versions: 0.2.0, 0.3.0, 0.3.1, 0.4.0
> Reporter: Prasad Chakka
> Assignee: Prasad Chakka
> Fix For: 0.4.0
>
> Attachments: hive-592.2.patch
>
>
> rename table changes just the name of the table in metastore but not hdfs. so if a table with old name is created, it uses the hdfs directory pointing to the renamed table.
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[jira] Updated: (HIVE-592) renaming internal table should rename
HDFS and also change path of the table and partitions accordingly.
Posted by "Prasad Chakka (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Prasad Chakka updated HIVE-592:
-------------------------------
Attachment: hive-592.2.patch
> renaming internal table should rename HDFS and also change path of the table and partitions accordingly.
> --------------------------------------------------------------------------------------------------------
>
> Key: HIVE-592
> URL: https://issues.apache.org/jira/browse/HIVE-592
> Project: Hadoop Hive
> Issue Type: Bug
> Reporter: Prasad Chakka
> Assignee: Prasad Chakka
> Attachments: hive-592.2.patch
>
>
> rename table changes just the name of the table in metastore but not hdfs. so if a table with old name is created, it uses the hdfs directory pointing to the renamed table.
--
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[jira] Updated: (HIVE-592) renaming internal table should rename
HDFS and also change path of the table and partitions accordingly.
Posted by "Prasad Chakka (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Prasad Chakka updated HIVE-592:
-------------------------------
Fix Version/s: 0.4.0
Affects Version/s: 0.4.0
0.3.1
0.3.0
0.2.0
Status: Patch Available (was: Open)
fix is little bit involved since we don't want to overwrite existing data.
> renaming internal table should rename HDFS and also change path of the table and partitions accordingly.
> --------------------------------------------------------------------------------------------------------
>
> Key: HIVE-592
> URL: https://issues.apache.org/jira/browse/HIVE-592
> Project: Hadoop Hive
> Issue Type: Bug
> Affects Versions: 0.2.0, 0.3.0, 0.3.1, 0.4.0
> Reporter: Prasad Chakka
> Assignee: Prasad Chakka
> Fix For: 0.4.0
>
> Attachments: hive-592.2.patch
>
>
> rename table changes just the name of the table in metastore but not hdfs. so if a table with old name is created, it uses the hdfs directory pointing to the renamed table.
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[jira] Updated: (HIVE-592) renaming internal table should rename
HDFS and also change path of the table and partitions accordingly.
Posted by "Prasad Chakka (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HIVE-592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Prasad Chakka updated HIVE-592:
-------------------------------
Attachment: hive-592.3.patch
here is the updated file
> renaming internal table should rename HDFS and also change path of the table and partitions accordingly.
> --------------------------------------------------------------------------------------------------------
>
> Key: HIVE-592
> URL: https://issues.apache.org/jira/browse/HIVE-592
> Project: Hadoop Hive
> Issue Type: Bug
> Affects Versions: 0.2.0, 0.3.0, 0.3.1, 0.4.0
> Reporter: Prasad Chakka
> Assignee: Prasad Chakka
> Fix For: 0.4.0
>
> Attachments: hive-592.2.patch, hive-592.3.patch
>
>
> rename table changes just the name of the table in metastore but not hdfs. so if a table with old name is created, it uses the hdfs directory pointing to the renamed table.
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