GitHub user zuyu opened a pull request:
https://github.com/apache/incubator-quickstep/pull/273
Determine #Partitions for Aggr State Hash Table in the optimizer.
This PR allows the optimizer to determine the number of partitions for an
aggregation state hash table, instead of getting it during the run-time from
the aggregation state.
Assigned to @jianqiao.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zuyu/incubator-quickstep
aggr-state-num-partitions
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-quickstep/pull/273.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 #273
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commit 3d9926db375328e1150a30220d3c95c46510c763
Author: Zuyu Zhang <z...@cs.wisc.edu>
Date: 2017-07-20T20:33:54Z
Determine #Partitions for Aggr State Hash Table in the optimizer.
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