GitHub user aljoscha opened a pull request:
https://github.com/apache/flink/pull/3285
[FLINK-4997] [streaming] Introduce ProcessWindowFunction
This is an updated/enhanced version of #2756.
I did roughly these changes:
- Add support for the `AggregatingFunction`/`ProcessWindowFunction`
combination
- Mark the new methods/interfaces as `@PublicEvolving`
- Change how the Scala wrapper functions work because we recently moved
all of them to use `WrappingFunction`. This is not complete yet and I created
issues for fixing that: https://issues.apache.org/jira/browse/FLINK-5740 and
https://issues.apache.org/jira/browse/FLINK-5741
- Add tests in `WindowTranslationTest.java` and
`WindowTranslationTest.scala`.
@VenturaDelMonte and @manuzhang, would you like to have a look at this. I
took quite a while because there was some upheaval in the internals of that
part of the code and the tests. I'm sorry for that.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/aljoscha/flink process-window-function
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/3285.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 #3285
----
commit 6f476f92f22b661f26d322615af6a52eca01c69c
Author: Aljoscha Krettek <aljoscha.kret...@gmail.com>
Date: 2017-02-07T09:54:54Z
[hotfix] Fix trailing whitespace in WindowedStream.java
commit ab74f4142ddc4aab6e76563b32464d526f719ae7
Author: Ventura Del Monte <venturadelmo...@gmail.com>
Date: 2016-11-23T17:00:23Z
[FLINK-4997] [streaming] Introduce ProcessWindowFunction
commit b6759f446bad5170fabc803103c764f204412301
Author: Ventura Del Monte <venturadelmo...@gmail.com>
Date: 2016-11-09T09:49:47Z
[FLINK-4997] [streaming] Add ProcessWindowFunction to Scala API
commit a9791e0e7526bfd419e72ac749ce068f18df857a
Author: Aljoscha Krettek <aljoscha.kret...@gmail.com>
Date: 2017-02-07T13:38:25Z
[FLINK-4997] Add ProcessWindowFunction support for .aggregate()
commit 01048feccd5aced42b1979a3bf7b355443c08f5b
Author: Aljoscha Krettek <aljoscha.kret...@gmail.com>
Date: 2016-11-24T07:14:48Z
[FLINK-5237] Consolidate and harmonize Window Translation Tests
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