godfreyhe opened a new pull request #7993: [FLINK-11932] [table-planner-blink] Add support for generating optimized logical plan for 'select * from mytable' URL: https://github.com/apache/flink/pull/7993 ## What is the purpose of the change *Add support for generating optimized logical plan for 'select * from mytable'* ## Brief change log - *add BatchTableEnvironment* - *introduce Optimizer interface and implements for batch and stream* - *add rules and programs for batch and stream* - *add registerTableSource, optimize, explain methods in TableEnvironment* - *add plan test infrastructure (is duplicated by https://issues.apache.org/jira/browse/FLINK-11685)* - *add RelTreeWriterImpl to make query plan easier to read (is duplicated by https://issues.apache.org/jira/browse/FLINK-11680)* ## Verifying this change This change added tests and can be verified as follows: *(example:)* - *Added tests that validates explain result* - *Added tests that validates optimized logical plan* ## 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: (yes / no / don't know) - 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? (not documented)
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