SteNicholas opened a new pull request #15400:
URL: https://github.com/apache/flink/pull/15400
## What is the purpose of the change
In the sql-client, users should submit statements for statement set as
follows:
```
Flink SQL> BEGIN STATEMENT SET;
[Info] Begin the statement set.
Flink SQL> INSERT INTO emps1 SELECT * FROM emps(x, y);
[Info] Add SQL update statement to the statement set.
Flink SQL> INSERT INTO emps2 SELECT * FROM emps(x, y);
[Info] Add SQL update statement to the statement set.
Flink SQL> END;
[Info] Submitting SQL statement set to the cluster...
```
`CliClient` should support STATEMENT SET syntax in SQL Client.
## Brief change log
- *Add `BeginStatementSetOperation` and `EndStatementSetOperation` to
support STATEMENT SET syntax for `CliClient`.*
## Verifying this change
- *`CliClientITCase` adds `statement-set.q` for `testSqlStatements` to
verify whether `CliClient` supports the `STATEMENT SET` syntax.*
## 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, Kubernetes/Yarn/Mesos, ZooKeeper: (yes / **no** /
don't know)
- The S3 file system connector: (yes / **no** / don't know)
## Documentation
- Does this pull request introduce a new feature? (yes / **no**)
- If yes, how is the feature documented? (**not applicable** / docs /
JavaDocs / not documented)
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