GitHub user lukecwik opened a pull request:
https://github.com/apache/incubator-beam/pull/317
Verify one element per window for DataflowPipelineRunner View.asSingleton
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This changes the expansion of the DataflowPipelineRunner override for
View.asSingleton to provide a useful error message to users if their
PCollection contains more than one element per window.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/lukecwik/incubator-beam singleton_verify
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-beam/pull/317.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 #317
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commit e423cdce40bb11b39f254828791f15b5c0490b86
Author: Luke Cwik <[email protected]>
Date: 2016-05-10T20:02:21Z
Verify one element per window for DataflowPipelineRunner View.asSingleton
This changes the expansion of the DataflowPipelineRunner override for
View.asSingleton to provide a useful error message to users if there
PCollection contains more than one element per window.
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