godfreyhe opened a new pull request #7838: [FLINK-11711][table-planner-blink] Add table and column stats URL: https://github.com/apache/flink/pull/7838 ## What is the purpose of the change This commit defines the structure of table and column stats which provide statistics for Calcite cost model. ## Brief change log - *add TableStats, ColumnStats and FlinkStatistic* ## Verifying this change This change added tests and can be verified as follows: - *Added unit tests for TableStats, ColumnStats and FlinkStatistic* ## 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? (no) - If yes, how is the feature documented? (JavaDocs)
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