Function mz_expr::relation::func::first_value_no_list

source · 
fn first_value_no_list<'a: 'b, 'b, I>(
    datums: I,
    callers_temp_storage: &'b RowArena,
    order_by: &[ColumnOrder],
    window_frame: &WindowFrame,
) -> impl Iterator<Item = Datum<'b>>
where
    I: IntoIterator<Item = Datum<'a>>,
Expand description

Like first_value, but doesn’t perform the final wrapping in a list, returning an Iterator instead.