JingsongLi opened a new pull request #10315: [FLINK-14552][table] Enable partition statistics in blink planner URL: https://github.com/apache/flink/pull/10315 ## What is the purpose of the change Now after partition pruning, we will lost stats. Actually, we have partition stats in catalog. We need update statistics after partition pruning in PushPartitionIntoTableSourceScanRule. ## Brief change log - Add merge method to `TableStats`. - Add table identifier to `TableSourceTable` - Update stats in `PushPartitionIntoTableSourceScanRule`. ## Verifying this change `CatalogStatisticsTest.testGetPartitionStatsFromCatalog` ## 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: no - 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? (JavaDocs
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