GitHub user dawidwys opened a pull request:
https://github.com/apache/flink/pull/6171
[FLINK-9593] Unified After Match semantics with SQL MATCH_RECOGNIZE
## What is the purpose of the change
Unify semantics of AfteMatch skip with SQL standard to enable CEP ans SQL
integration.
## Brief change log
- partial/completed matches are pruned based on which one happened first.
## Verifying this change
*(Please pick either of the following options)*
This change added tests:
- testSkipPastLastWithOneOrMoreAtBeginning
- testSkipBeforeOtherAlreadyCompleted
and adjusted all other tests in class `AfterMatchSkipITCase.java`
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (yes / **no**)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (yes / **no**)
- The serializers: (**yes** / no / don't know)
- The runtime per-record code paths (performance sensitive): (yes /
**no** / don't know)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know)
- The S3 file system connector: (yes / **no** / don't know)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dawidwys/flink cep-after-first-match
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/6171.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 #6171
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commit aca1b71de9b342840043983c8e3eabecb5f0afd4
Author: Dawid Wysakowicz <dwysakowicz@...>
Date: 2018-06-14T15:10:05Z
[FLINK-9593] Unified After Match semantics with SQL MATCH_RECOGNIZE
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