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  1. Flink
  2. FLINK-13191 Add a simplified UDF type extraction
  3. FLINK-16769

Support new type inference for Table#flatMap

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    • `Table.flatMap()` supports the new type system now. Users are requested to upgrade their functions.

    Description

      Currently the Table#flatMap works only for TableFunctionDefinition. We should fix it to work also with functions that use the new type stack.

      The problematic spot is in OperationTreeBuilder#flatMap

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            twalthr Timo Walther
            dwysakowicz Dawid Wysakowicz
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