GitHub user zuyu opened a pull request:
https://github.com/apache/incubator-quickstep/pull/254
Added the support for partitioned (but not parallel) aggregations.
This PR added the support for aggregations with partitioned input relations.
Note that support for parallel aggregations based on
`COLLISION_FREE_VECTOR` will be added in a follow-up PR.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zuyu/incubator-quickstep partitioned-aggr-op
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-quickstep/pull/254.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 #254
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commit 7e2e6ed967669195a113743b4e9c7181c590173a
Author: Zuyu Zhang <zu...@apache.org>
Date: 2017-05-26T09:08:57Z
Added the support for partitioned (but not parallel) aggregations.
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