GitHub user xinzweb opened a pull request:
https://github.com/apache/incubator-hawq/pull/158
Add new GUC optimizer_prefer_scalar_dqa_multistage_agg to split scalaâ¦
â¦r DQA into multi-stage aggregates.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/xinzweb/incubator-hawq master
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-hawq/pull/158.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 #158
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commit 6a15b00af113cb4ebbbf6df483e5f19e87da445c
Author: Xin Zhang <[email protected]>
Date: 2015-11-26T00:53:32Z
Add new GUC optimizer_prefer_scalar_dqa_multistage_agg to split scalar DQA
into multi-stage aggregates.
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