GitHub user Xpray opened a pull request:
https://github.com/apache/flink/pull/5998
[FLINK-9344] [TableAPI & SQL] Support INTERSECT and INTERSECT ALL for
streaming
[FLINK-9344] [TableAPI & SQL] Support INTERSECT and INTERSECT ALL for
streaming
## What is the purpose of the change
Support Intersect and Intersect All for Streaming SQL and TableAPI
## Brief change log
* implemented StreamIntersectCoProcessFunction
## Verifying this change
This change added tests and can be verified as follows:
cases of intersect operations in both
```org.apache.flink.table.runtime.stream.sql.SetOperatorsITCase``` and
```org.apache.flink.table.runtime.stream.table.SetOperatorsITCase```
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): no
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: no
- The serializers: no
- The runtime per-record code paths (performance sensitive): no
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: no
- The S3 file system connector: no
## Documentation
- Does this pull request introduce a new feature? yes
- If yes, how is the feature documented? not yet, but will be documented
in next issue
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/Xpray/flink FLINK-9344
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/5998.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 #5998
----
commit 505875c9e05d0613ddc3ae304293d46780411595
Author: Xpray <leonxpray@...>
Date: 2018-05-12T15:15:09Z
[FLINK-9344][TableAPI & SQL] Support INTERSECT and INTERSECT ALL for
streaming
----
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