walterddr opened a new pull request #7994: [FLINK-10273][SQL/Planner] Support access to sub-fields of a composite type after a function URL: https://github.com/apache/flink/pull/7994 ## What is the purpose of the change This PR adds tests to ensure that any row expression extensions are properly parsed and validated in SQL parsing. For example: `MyComplexReturnTypeFunc(arg).myFields.mySubFields` should work properly. See [CALCITE-2542](https://issues.apache.org/jira/browse/CALCITE-2542). ## Brief change log - This PR adds test/ITCase for the above mentioned example. ## Verifying this change This change only adds tests. ## 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 - The S3 file system connector: no ## Documentation - Does this pull request introduce a new feature? no - If yes, how is the feature documented? no
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