Module datafusion_expr::window_function
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Window functions provide the ability to perform calculations across sets of rows that are related to the current query row.
see also https://www.postgresql.org/docs/current/functions-window.html
Enums
An aggregate function that is part of a built-in window function
WindowFunction
Functions
Returns the datatype of the window function
the signatures supported by the function fun
.
the signatures supported by the built-in window function fun
.