Method append_strings

datafusion/functions-aggregate/src/string_agg.rs:469–481

(&mut self, iter: I)

    #[inline]
    fn append_strings<'a, I>(&mut self, iter: I)
    where
        I: Iterator<Item = Option<&'a str>>,
    {
        for value in iter.flatten() {
            if self.has_value {
                self.accumulated_string.push_str(&self.delimiter);
            }

            self.accumulated_string.push_str(value);
            self.has_value = true;
        }
    }
}

impl Accumulator for SimpleStringAggAccumulator {