[wip][PySpark] - Add window function support#318

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mariotaddeucci wants to merge 2 commits intoduckdb:mainfrom

mariotaddeucci:feat/pyspark-window-function

Commits on Feb 16, 2026

[PySpark] - Add window function support
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Commits on Feb 17, 2026

Refactor WindowSpec to use built-in list and tuple types; update test for ContributionsAcceptedError message regex
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