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Convert built-in row_number to user-defined window function #12029

@jcsherin

Description

@jcsherin

Is your feature request related to a problem or challenge?

Part of #8709.

Describe the solution you'd like

  1. Convert row_number to user-defined window function by implementing the WindowUDFImpl trait and removing it from ButilInWindowFunction
  2. Add a new crate for user-defined window functions.

Describe alternatives you've considered

No response

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