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From "Alexander Kolbasov (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-17736) ObjectStore transaction handling can be simplified
Date Sat, 07 Oct 2017 01:05:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-17736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alexander Kolbasov reassigned HIVE-17736:
-----------------------------------------


> ObjectStore transaction handling can be simplified
> --------------------------------------------------
>
>                 Key: HIVE-17736
>                 URL: https://issues.apache.org/jira/browse/HIVE-17736
>             Project: Hive
>          Issue Type: Improvement
>          Components: Hive
>    Affects Versions: 3.0.0
>            Reporter: Alexander Kolbasov
>            Assignee: Alexander Kolbasov
>
> There are many places in ObjectStore that do something like this:
> {code}
>     boolean commited = false;
>    try {
>       openTransaction();
>       commited = commitTransaction();
>     } finally {
>       if (!commited) {
>         rollbackTransaction();
>       }
>     }
> {code}
> We can simplify this in two ways:
> 1) Create a wrapper that calls given piece of code inside the block of code above. This
is similar to TransactionManager in Sentry.
> 2) Create a special auto-closeable object that does the check and rollback on close.



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