yanghua opened a new pull request #6659: [FLINK-10281] Table function parse regular expression contains backslash failed URL: https://github.com/apache/flink/pull/6659 ## What is the purpose of the change *This pull request fixes Table function parse regular expression contains backslash failed* ## Brief change log - *Changed `singleQuoteStringLiteral` in `ExpressionParser`* ## Verifying this change This change is already covered by existing tests, such as *LiteralTest#testParseRegularExpression*. ## 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, 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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