dawidwys opened a new pull request #8984: [FLINK-13088][table-api] Support lazy query transformation & execution on TableEnvironment URL: https://github.com/apache/flink/pull/8984 ## What is the purpose of the change In the long run we want to have a single self-contained unified `TableEnvironment` equivalent to `ExecutionEnvironment` & `StreamExecutionEnvironment` with `execute` method. Moreover Blink planner translates queries lazily when the `execute` method is called on `TableEnvironment` This PR enables creating an instance of the unified TableEnvironment. It also implements the lazy translation schema. ## Verifying this change This change is already covered by existing tests. ## 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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