is_row_ahead

datafusion_physical_expr::window::window_expr

Function is_row_ahead 

Source 
fn is_row_ahead(
    old_col: &ArrayRef,
    current_col: Option<&ArrayRef>,
    sort_options: &SortOptions,
) -> Result<bool>
Expand description

This utility function checks whether current_cols is ahead of the old_cols in terms of sort_options.