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From QiangCai <>
Subject [GitHub] incubator-carbondata pull request #635: [WIP]support SORT_COLUMNS
Date Wed, 08 Mar 2017 13:56:27 GMT
GitHub user QiangCai opened a pull request:

    [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 sortkey

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

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 <>
Date:   2017-03-02T09:48:54Z

    sort columns


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