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From: QiangCai <git@git.apache.org>
To: issues@carbondata.incubator.apache.org
Reply-To: issues@carbondata.incubator.apache.org
Message-ID: <git-pr-635-incubator-carbondata@git.apache.org>
Subject: [GitHub] incubator-carbondata pull request #635: [WIP]support SORT_COLUMNS
Content-Type: text/plain
Date: Wed,  8 Mar 2017 13:56:27 +0000 (UTC)
archived-at: Wed, 08 Mar 2017 14:23:11 -0000

GitHub user QiangCai opened a pull request:

    https://github.com/apache/incubator-carbondata/pull/635

    [WIP]support SORT_COLUMNS

    1. create table  with sort_columns
       e.g. tblproperties('sort_columns' = 'col7,col3')
       The columns of sort_columsn will be at the begin of all columns.
       sort_columns support all primitive datatype.
    
    2. loading
       sort by sort_columns
       sort columns: sorted and rowid index
       other dimension: no sorted and no rowid index
    
    3. compaction
        sort by sort_columns
    
    4. filter on sort_columns
        filter no dictionary support  all primitive  data type

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

    $ git pull https://github.com/QiangCai/incubator-carbondata sortkey

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

    https://github.com/apache/incubator-carbondata/pull/635.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 #635
    
----
commit ad4a3d59c3c0f5cae45f1bd0333718c7c8ada62e
Author: QiangCai <qiangcai@qq.com>
Date:   2017-03-02T09:48:54Z

    sort columns

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