Method next

src/expr/src/relation/func.rs:3061–3083

(&mut self)

    #[inline]
    fn next(&mut self) -> Option<CheckedTimestamp<T>> {
        if !self.done
            && ((self.rev && self.state >= self.stop) || (!self.rev && self.state <= self.stop))
        {
            let result = self.state.clone();
            match add_timestamp_months(self.state.deref(), self.step.months) {
                Ok(state) => match state.checked_add_signed(self.step.duration_as_chrono()) {
                    Some(v) => match CheckedTimestamp::from_timestamplike(v) {
                        Ok(v) => self.state = v,
                        Err(_) => self.done = true,
                    },
                    None => self.done = true,
                },
                Err(..) => {
                    self.done = true;
                }
            }

            Some(result)
        } else {
            None
        }
    }
}

fn generate_series_ts<T: TimestampLike>(