dawidwys opened a new pull request #8764: [FLINK-12798][table-planner][table-api-java] Port TableEnvironment to table-api-java module URL: https://github.com/apache/flink/pull/8764 ## What is the purpose of the change This PR moves `TableEnvironment`s & `TableImpl` to the proper api modules. It adds `Executor` module that abstracts away `StreamExecutionEnvironment` from the unfied `TableEnvironment`. The `Executor`, `Planner` and `OperationTreeBuilder`(temporarily) are looked up by reflection. In this PR the `StreamQueryConfig` is passed via `PlannerConfig`. This might change in the future if we rework the `TableConfig`. This PR does not enable `Planner` switching yet. It works only with the legacy Planner. The `Planner` instantiation via configuration will be introduced later. It adds an `execute` method to the `TableEnvironment` to enable lazy execution and thus optimizing more queries at the same time. It is based on #8739 ## 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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