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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-15147) Shell should use Admin.listTableNames() instead of Admin.listTables()
Date Thu, 21 Jan 2016 03:13:40 GMT
Enis Soztutar created HBASE-15147:
-------------------------------------

             Summary: Shell should use Admin.listTableNames() instead of Admin.listTables()

                 Key: HBASE-15147
                 URL: https://issues.apache.org/jira/browse/HBASE-15147
             Project: HBase
          Issue Type: Bug
            Reporter: Enis Soztutar
            Assignee: Enis Soztutar
             Fix For: 2.0.0, 1.2.0, 1.3.0, 1.1.4


It seems that getTableDescriptors() in master checks for A and C permissions while getTableNames()
checks for any privilege on the table. The reasoning is explained here: https://issues.apache.org/jira/browse/HBASE-12564?focusedCommentId=14234504&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14234504


We should change the shell command for {{list}} to use the getTableNames() version because
of this. Otherwise a user having only R or W cannot list the table name. 

This has been reported from a user here: https://community.hortonworks.com/questions/10742/why-does-a-user-need-create-permission-for-list-co.html#comment-11000.


While we are at it, should we revisit the fact that you cannot get a table descriptor if you
have only R or W? It seems strange that you cannot even know the CF names of a table that
you can read from. I could not find info about the "describe" privileges on SQL databases.
However, if there are use cases where Table descriptor might contain sensitive info, the current
semantics seems fine. cc [~apurtell] and [~mbertozzi]. 



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