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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-14249) Add simple materialized views with manual rebuilds
Date Wed, 20 Jul 2016 12:35:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15385774#comment-15385774
] 

ASF GitHub Bot commented on HIVE-14249:
---------------------------------------

GitHub user jcamachor opened a pull request:

    https://github.com/apache/hive/pull/91

    HIVE-14249: Add simple materialized views with manual rebuilds

    

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/jcamachor/hive HIVE-MVs

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/hive/pull/91.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #91
    
----
commit fc5e6e3b0e826ff9a0b3437ae8e05eb9484a3856
Author: Alan Gates <gates@apache.org>
Date:   2016-07-20T11:37:31Z

    HIVE-14249: Add simple materialized views with manual rebuilds (Alan Gates, reviewed by
Jesus Camacho Rodriguez)

commit 86648e2f3440f7f01c18ff4819a07c7b02050f08
Author: Jesus Camacho Rodriguez <jcamacho@apache.org>
Date:   2016-07-20T11:38:09Z

    HIVE-14249: Add simple materialized views with manual rebuilds

----


> Add simple materialized views with manual rebuilds
> --------------------------------------------------
>
>                 Key: HIVE-14249
>                 URL: https://issues.apache.org/jira/browse/HIVE-14249
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Parser, Views
>            Reporter: Alan Gates
>            Assignee: Alan Gates
>         Attachments: HIVE-10459.2.patch
>
>
> This patch is a start at implementing simple views. It doesn't have enough testing yet
(e.g. there's no negative testing). And I know it fails in the partitioned case. I suspect
things like security and locking don't work properly yet either. But I'm posting it as a starting
point.
> In this initial patch I'm just handling simple materialized views with manual rebuilds.
In later JIRAs we can add features such as allowing the optimizer to rewrite queries to use
materialized views rather than tables named in the queries, giving the optimizer the ability
to determine when a materialized view is stale, etc.
> Also, I didn't rebase this patch against trunk after the migration from svn->git so
it may not apply cleanly.



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