Module datafusion::logical_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
Structs
- An iterator over the variants of BuiltInWindowFunction
Enums
- A window function built in to DataFusion
- WindowFunction
Functions
- Find DataFusion’s built-in window function by name.
- Returns the datatype of the window function
- the signatures supported by the function
fun
. - the signatures supported by the built-in window function
fun
.