GitHub user wuchong opened a pull request:
https://github.com/apache/flink/pull/4538
[FLINK-7441] [table] Double quote string literals is not supported in Table
API and SQL
## What is the purpose of the change
Code generation doesn't handle double quote string literals and some
control characters which leads to compile error.
## Brief change log
- add string escape to `CodeGenerator#visitLiteral`
## Verifying this change
This change added tests and can be verified as follows:
- Added test `UserDefinedScalarFunctionTest#testDoubleQuoteParameters `
that validate double quotes can be handled 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? no
- If yes, how is the feature documented? na
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wuchong/flink double-quote
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4538.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 #4538
----
commit fdec04d4fe9257b952bf2a150ab1cae9481e5f32
Author: Jark Wu <j...@apache.org>
Date: 2017-08-14T08:44:16Z
[FLINK-7441] [table] Double quote string literals is not supported in Table
API and SQL
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