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From "Thejas M Nair (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-7676) Support more methods in HiveDatabaseMetaData
Date Tue, 12 Aug 2014 15:43:13 GMT

    [ https://issues.apache.org/jira/browse/HIVE-7676?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14094183#comment-14094183
] 

Thejas M Nair commented on HIVE-7676:
-------------------------------------

The test failures don't seem to be related to this patch.


> Support more methods in HiveDatabaseMetaData
> --------------------------------------------
>
>                 Key: HIVE-7676
>                 URL: https://issues.apache.org/jira/browse/HIVE-7676
>             Project: Hive
>          Issue Type: Bug
>          Components: JDBC
>    Affects Versions: 0.13.1
>            Reporter: Alexander Pivovarov
>         Attachments: HIVE-7676.patch
>
>
> I noticed that some methods in HiveDatabaseMetaData throws exceptions instead of returning
true/false. Many JDBC clients expects implementations for particular methods in order to work.

> E.g. SQuirreL SQL shows databases only if supportsSchemasInTableDefinitions returns true.
> Also hive 0.14.0 supports UNION ALL and does not support UNION
> We can indicate this in HiveDatabaseMetaData instead of throwing Method Not supported
exception.
> getIdentifierQuoteString  should return space if not supported.
> http://docs.oracle.com/javase/7/docs/api/java/sql/DatabaseMetaData.html#getIdentifierQuoteString%28%29



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