godfreyhe opened a new pull request #8973: [FLINK-13076] [table-planner][table-api-java] Supports explain and execute DAG plan URL: https://github.com/apache/flink/pull/8973 ## What is the purpose of the change *Supports explain and execute DAG plann* ## Brief change log - *add explain(Boolean) & execute(String) into TableEnvironment* - *add isLazyOptMode field into EnvironmentSettings, which tells whether the table environment should optimize a query in sqlUpdate&insertInto method or in execute method* ## Verifying this change the existing test cases should be passed ## 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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