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From shixuan-fan <...@git.apache.org>
Subject [GitHub] incubator-quickstep pull request #66: QUICKSTEP-20: RANGE mode and computati...
Date Wed, 27 Jul 2016 14:54:39 GMT
GitHub user shixuan-fan opened a pull request:

    https://github.com/apache/incubator-quickstep/pull/66

    QUICKSTEP-20: RANGE mode and computation optimization

    - Supported RANGE mode for window aggregation.
    - Optimized the AVG calculation time complexity from O(nk) to O(n), where n is the number
of tuples and k is the window size.

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

    $ git pull https://github.com/apache/incubator-quickstep SQL-window-aggregation

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

    https://github.com/apache/incubator-quickstep/pull/66.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 #66
    
----
commit 5726afa96a2250f89df71b1e30313f126dafcffa
Author: shixuan <shixuan@apache.org>
Date:   2016-07-26T16:49:07Z

    RANGE mode and computation optimization.
    - Supported RANGE mode for window aggregation.
    - Optimized the AVG calculation time complexity from O(nk) to O(n), where n is the number
of tuples and k is the window size.

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