JingsongLi opened a new pull request #8056: [FLINK-12013][table-planner-blink] Support calc and correlate in blink batch URL: https://github.com/apache/flink/pull/8056 ## What is the purpose of the change Introduce blink batch sql calc and correlate. ## Brief change log 1.Support source and sink conversion between internal format and external format. 2.Support filter and projection in calc, e.g.: select a + b, c from T where a > 5; 3.Support udf in calc. 4.Support udtf in correlate. ## Verifying this change ut ## 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? (yes) - If yes, how is the feature documented? (JavaDocs)
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