wenhuitang opened a new pull request #7076: [FLINK-10674] [table] Fix DistinctAccumulator.remove lead to NPE. URL: https://github.com/apache/flink/pull/7076 ## What is the purpose of the change This pull request fixes the problem reported by FLINK-10674 DistinctAccumulator.remove lead to NPE. ## Brief change log DistinctAccumulator.remove deals with the situation that there is no corresponding instance of the parameters in the distinct map. ## Verifying this change *(Please pick either of the following options)* This change is a trivial rework / code cleanup without any test coverage. ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (yes / no) no - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / no) no - The serializers: (yes / no / don't know) no - The runtime per-record code paths (performance sensitive): (yes / no / don't know) no - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / no / don't know) no - The S3 file system connector: (yes / no / don't know) no ## Documentation - Does this pull request introduce a new feature? (yes / no) no - If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)
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