Function duplicates_distinct

datafusion/functions-aggregate/src/array_agg.rs:1256–1271

()

    #[test]
    fn duplicates_distinct() -> Result<()> {
        let (mut acc1, mut acc2) = ArrayAggAccumulatorBuilder::string()
            .distinct()
            .build_two()?;

        acc1.update_batch(&[data(["a", "b", "c"])])?;
        acc2.update_batch(&[data(["a", "b", "c"])])?;
        acc1 = merge(acc1, acc2)?;

        let mut result = print_nulls(str_arr(acc1.evaluate()?)?);
        result.sort();

        assert_eq!(result, vec!["a", "b", "c"]);

        Ok(())
    }

    #[test]
    fn duplicates_on_second_batch_distinct() -> Result<()> {