JingsongLi opened a new pull request #10841: [FLINK-15565][table-planner-blink] Fix error conversion of TinyInt,SmallInt literals between Flink and Calcite URL: https://github.com/apache/flink/pull/10841 ## What is the purpose of the change In ExpressionConverter, we convert Flink expression to Calcite RexNode. For literal, Flink TinyInt/SmallInt literals are wrongly converted to Calcite Int/Int literals. This lead to incompatible types of expression and result type. ## Brief change log Fix tinyint/smallint/int literals in `ExpressionConverter.visit(ValueLiteralExpression)`. ## Verifying this change - `ExpressionConverter` - `OverWindowITCase.testOverWindowWithUDAG11G` ## 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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