GitHub user vasia opened a pull request:
https://github.com/apache/flink/pull/1600
[FLINK-3226] Translate logical aggregations to physical
This PR builds on #1567 and addresses @fhueske's comments on translating
aggregations.
Join translation is not part of this PR.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/vasia/flink LogicalToPhysical
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/1600.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 #1600
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commit 6676aab520bd648c360f70a2047196d004ce1d31
Author: chengxiang li <[email protected]>
Date: 2016-02-01T07:18:14Z
[Flink-3226] Translate logical plan FlinkRels into physical plan
DataSetRels.
commit cf41b740d32768185ec692e93754056ff6a16b59
Author: vasia <[email protected]>
Date: 2016-02-04T14:53:52Z
[FLINK-3226] implement GroupReduce translation; enable tests for supported
operations
- compute average as sum and count for byte, short and int type to avoid
rounding errors
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