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From "Alexander Pivovarov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-7676) Support more methods in DatabaseMetaData
Date Mon, 11 Aug 2014 07:31:11 GMT

     [ https://issues.apache.org/jira/browse/HIVE-7676?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alexander Pivovarov updated HIVE-7676:
--------------------------------------

    Attachment: HIVE-7676.patch

> Support more methods in DatabaseMetaData
> ----------------------------------------
>
>                 Key: HIVE-7676
>                 URL: https://issues.apache.org/jira/browse/HIVE-7676
>             Project: Hive
>          Issue Type: Improvement
>          Components: JDBC
>            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 0.13.1 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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