[jira] [Resolved] (HIVE-5626) enable metastore direct SQL for drop/similar queries

["Ashutosh Chauhan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-5626?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ashutosh Chauhan resolved HIVE-5626.
------------------------------------

       Resolution: Fixed
    Fix Version/s: 0.13.0

Committed to trunk. Thanks, Sergey!

> enable metastore direct SQL for drop/similar queries
> ----------------------------------------------------
>
>                 Key: HIVE-5626
>                 URL: https://issues.apache.org/jira/browse/HIVE-5626
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>            Priority: Minor
>             Fix For: 0.13.0
>
>         Attachments: HIVE-5626.01.patch, HIVE-5626.02.patch, HIVE-5626.patch
>
>
> Metastore direct SQL is currently disabled for any queries running inside external transaction (i.e. all modification queries, like dropping stuff).
> This was done to keep the strictly performance-optimization behavior when using Postgres, which unlike other RDBMS-es fails the tx on any syntax error; so, if direct SQL is broken there's no way to fall back. So, it is disabled for these cases.
> It is not as important because drop commands are rare, but we might want to address that. Either by some config setting or by making it work on non-postgres DBs.



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