cshuo opened a new pull request #9459: [FLINK-13742][table-planner-blink] Fix code generation when aggregation contains both distinct aggregate with and without filter. URL: https://github.com/apache/flink/pull/9459 ## What is the purpose of the change fix a bug of distinct aggregation code generation when there exists distinct aggregations on same column, and some of them have filter condition. ## Verifying this change add new IT case in 'AggregateITCase' to cover the change. ## 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? no
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