GitHub user xccui opened a pull request:
https://github.com/apache/flink/pull/6356
[FLINK-9790] [doc] Add documentation for UDF in SQL Client
## What is the purpose of the change
This PR aims to add document for UDF in SQL Client.
## Brief change log
- Add related document for SQL Client UDF in `sqlClient.md`.
- Add an `incremental` parameter to the build script so that the build
process can be more efficient.
## Verifying this change
This change is a trivial rework / code cleanup without any test coverage.
## 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? (no)
- If yes, how is the feature documented? (docs)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/xccui/flink FLINK-9790-udfdoc
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/6356.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 #6356
----
commit da3a480c60b6a840bd5f558bb2bef43fe6822d33
Author: Xingcan Cui <xingcanc@...>
Date: 2018-07-17T16:22:26Z
[FLINK-9790] [doc] Add documentation for UDF in SQL Client
----
---
