GitHub user hequn8128 opened a pull request:
https://github.com/apache/flink/pull/4624
[FLINK-7410] [table] Use toString method to display operator names for
UserDefinedFunction
## What is the purpose of the change
*Use toString method to display operator names for UserDefinedFunction. The
method will return class name by default. Users can also override the method to
return whatever he wants*
## Brief change log
- *Add `toString` method to `UserDefinedFunction ` and returns class name
by default*
- *Override `toString` method in `AggSqlFunction `, `ScalarSqlFunction `
and `TableSqlFunction ` to return class name*
- *Modify test cases*
## Verifying this change
This change added tests and can be verified as follows:
- *Modify CalcTest/CorrelateTest/AggTest to validate that operator names
are displayed correctly*
## 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)
## Documentation
- Does this pull request introduce a new feature? (yes)
- If yes, how is the feature documented? (not documented)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/hequn8128/flink 7410
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4624.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 #4624
----
commit 561cc61ddd9a3d049fcf84e2e4e2334d436c6ca6
Author: åé¿ <hequn....@alibaba-inc.com>
Date: 2017-08-30T11:30:52Z
[FLINK-7410] [table] Use toString method to display operator names for
UserDefinedFunction
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