fn lag_lead<'a, I>(
datums: I,
temp_storage: &'a RowArena,
order_by: &[ColumnOrder],
lag_lead_type: &LagLeadType,
ignore_nulls: &bool
) -> Datum<'a>where
I: IntoIterator<Item = Datum<'a>>,
fn lag_lead<'a, I>(
datums: I,
temp_storage: &'a RowArena,
order_by: &[ColumnOrder],
lag_lead_type: &LagLeadType,
ignore_nulls: &bool
) -> Datum<'a>where
I: IntoIterator<Item = Datum<'a>>,