Method build

datafusion/functions-aggregate/src/string_agg.rs:723–741

(&self)

        }

        fn build(&self) -> Result<Box<dyn Accumulator>> {
            StringAgg::new().accumulator(AccumulatorArgs {
                return_field: Field::new("f", DataType::LargeUtf8, true).into(),
                schema: &self.schema,
                expr_fields: &[
                    Field::new("col", DataType::LargeUtf8, true).into(),
                    Field::new("lit", DataType::Utf8, false).into(),
                ],
                ignore_nulls: false,
                order_bys: &self.order_bys,
                is_reversed: false,
                name: "",
                is_distinct: self.distinct,
                exprs: &[
                    Arc::new(Column::new("col", 0)),
                    Arc::new(Literal::new(ScalarValue::Utf8(Some(self.sep.to_string())))),
                ],
            })
        }

        fn build_two(&self) -> Result<(Box<dyn Accumulator>, Box<dyn Accumulator>)> {
            Ok((self.build()?, self.build()?))