zjuwangg opened a new pull request #12028: URL: https://github.com/apache/flink/pull/12028
## What is the purpose of the change *When constant exists in group window key leads to error: Unsupported call:TUMBLE_END(TIMESTAMP(3) NOT NULL), detail exception can be found in [FLINK-17553](https://issues.apache.org/jira/browse/FLINK-17553#). This pr aims to solve this problem. * ## Brief change log - *#e51960b add ProjectMergeRule after AggregateProjectPullUpConstantsRule.INSTANCE to solve the bug* ## Verifying this change This change added tests and can be verified as follows: - *Added test `testWindowGroupByOnConstant ` to verify the plan as expect* ## 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, Kubernetes/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) ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
