fn generate_series_timestamptz_at_zone(
start: Timestamptz,
stop: Timestamptz,
step: Interval,
time_zone: &str,
) -> Result<impl Iterator<Item = Timestamptz>>
fn generate_series_timestamptz_at_zone(
start: Timestamptz,
stop: Timestamptz,
step: Interval,
time_zone: &str,
) -> Result<impl Iterator<Item = Timestamptz>>