GitHub user fhueske opened a pull request:
https://github.com/apache/flink/pull/525
[FLINK-1656] Filter ForwardedField properties for group-at-a-time operators
in Optimizer
Restricts forward field information for group-wise operators.
- For `GroupReduce`, `GroupCombine`, and `CoGroup` operators forward field
information is restricted to grouping key fields.
- For `MapPartition` operators all forwarded field information is discarded.
Extended documentation accordingly.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/fhueske/flink groupKeySemProps
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/525.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 #525
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commit a49967db7ecea782860d7a0fa430cb2281653b03
Author: Fabian Hueske <[email protected]>
Date: 2015-03-23T10:55:34Z
[FLINK-1656] Filter ForwardedField properties for group-at-a-time operators
in Optimizer.
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