GitHub user kennknowles opened a pull request:
https://github.com/apache/incubator-beam/pull/268
[BEAM-115] Make in-process GroupByKey consistent with Beam model
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This is rebased onto #256.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/kennknowles/incubator-beam InProcessGroupByKey
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-beam/pull/268.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 #268
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commit 310f8c4477fbcc16815af69592158ea5df1a8d6d
Author: Kenneth Knowles <[email protected]>
Date: 2016-04-27T22:01:48Z
Move InProcessRunner to its own module
commit 89cfe6bf22dd5849d52237f0a9b3cd9d55e6ec11
Author: Kenneth Knowles <[email protected]>
Date: 2016-04-28T22:51:40Z
Add accessors for sub-coders of KeyedWorkItemCoder
commit 41568a8c3318ea4e15c68e2cf4d61e18c94867ce
Author: Kenneth Knowles <[email protected]>
Date: 2016-04-28T23:12:21Z
Make in-process GroupByKey respect future Beam model
This introduces or clarifies the following transforms:
- InProcessGroupByKey, which expands like GroupByKeyViaGroupByKeyOnly
but with different intermediate PCollection types.
- InProcessGroupByKeyOnly, which outputs KeyedWorkItem<K, V>. This existed
already under a different name.
- InProcessGroupAlsoByWindow, which is evaluated directly and
accepts input elements of type KeyedWorkItem<K, V>.
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