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percent_rank_udwf in datafusion::functions_window::rank - Rust
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datafusion::functions_window::rank

Function percent_rank_udwf

Source 
pub fn percent_rank_udwf() -> Arc<WindowUDF>
Expand description

Returns a WindowUDF for percent_rank.

Returns the relative rank of the current row: (rank - 1) / (total rows - 1)