Method build

datafusion/functions-aggregate/src/array_agg.rs:1560–1574

(&self)

        }

        fn build(&self) -> Result<Box<dyn Accumulator>> {
            let expr = Arc::new(Column::new("col", 0));
            let expr_field = expr.return_field(&self.schema)?;
            ArrayAgg::default().accumulator(AccumulatorArgs {
                return_field: Arc::clone(&self.return_field),
                schema: &self.schema,
                expr_fields: &[expr_field],
                ignore_nulls: false,
                order_bys: &self.order_bys,
                is_reversed: false,
                name: "",
                is_distinct: self.distinct,
                exprs: &[expr],
            })
        }

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