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Posted to dev@hive.apache.org by "Szehon Ho (JIRA)" <ji...@apache.org> on 2014/03/31 07:36:16 UTC
[jira] [Commented] (HIVE-6792) hive.warehouse.subdir.inherit.perms
doesn't work correctly in CTAS
[ https://issues.apache.org/jira/browse/HIVE-6792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13954952#comment-13954952 ]
Szehon Ho commented on HIVE-6792:
---------------------------------
Mostly looks good on first pass, one nit: is it necessary to pass in 'conf' variable to 'MoveTask.createTargetPath'? It is already a member variable.
Also, do you want to submit the patch to trigger the pre-commit test?
> hive.warehouse.subdir.inherit.perms doesn't work correctly in CTAS
> ------------------------------------------------------------------
>
> Key: HIVE-6792
> URL: https://issues.apache.org/jira/browse/HIVE-6792
> Project: Hive
> Issue Type: Bug
> Components: Authorization, Security
> Affects Versions: 0.14.0
> Reporter: Chaoyu Tang
> Assignee: Chaoyu Tang
> Attachments: HIVE-6792.patch
>
>
> hive.warehouse.subdir.inherit.perms doesn't work correctly in CTAS. When it is set to true, the table created using create table .. as select.. does not inherit its parent directory's group and permission mode. It can be easily reproduced:
> ==
> hive> dfs -ls -R /user/hive/warehouse;
> drwxrwx--T - hive hive 0 2014-03-30 17:44 /user/hive/warehouse/ctas.db
> drwxr-xr-x - hive hive 0 2014-03-30 17:20 /user/hive/warehouse/ctas_src_tbl
> -rw-r--r-- 3 hive hive 46059 2014-03-30 17:20 /user/hive/warehouse/ctas_src_tbl/000000_0
> hive> create table ctas.test_perm as select * from ctas_src_tbl;
>
> hive> dfs -ls -R /user/hive/warehouse;
> drwxrwx--T - hive hive 0 2014-03-30 17:46 /user/hive/warehouse/ctas.db
> drwxr-xr-x - hive supergroup 0 2014-03-30 17:46 /user/hive/warehouse/ctas.db/test_perm
> -rw-r--r-- 3 hive supergroup 46059 2014-03-30 17:46 /user/hive/warehouse/ctas.db/test_perm/000000_0
> drwxr-xr-x - hive hive 0 2014-03-30 17:20 /user/hive/warehouse/ctas_src_tbl
> -rw-r--r-- 3 hive hive 46059 2014-03-30 17:20 /user/hive/warehouse/ctas_src_tbl/000000_0
> ==
> The created table does not inherit its database ctas's group hive and permission mode 770, instead it takes the default group (supergroup) and permission mode (755) in hdfs
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