twalthr opened a new pull request #9334: [FLINK-10257][FLINK-13463][table] Support VARCHAR type generalization consistently URL: https://github.com/apache/flink/pull/9334 ## What is the purpose of the change The Blink planner generalizes multiple `CHAR` literals into `VARCHAR`. It seems likely that we will adopt this behavior in the future to prevent unwanted side-effects for users. This PR removes the exception in the SQL Client and updates the existing type generalization classes. ## Brief change log See commit messages. ## Verifying this change Manually tested. ## 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)`: yes - 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? not applicable
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