Function str_to_map_inner

datafusion/spark/src/function/map/str_to_map.rs:111–178

(args: &[ArrayRef])

}

fn str_to_map_inner(args: &[ArrayRef]) -> Result<ArrayRef> {
    match args.len() {
        1 => match args[0].data_type() {
            DataType::Utf8 => str_to_map_impl(as_string_array(&args[0])?, None, None),
            DataType::LargeUtf8 => {
                str_to_map_impl(as_large_string_array(&args[0])?, None, None)
            }
            DataType::Utf8View => {
                str_to_map_impl(as_string_view_array(&args[0])?, None, None)
            }
            other => exec_err!(
                "Unsupported data type {other:?} for str_to_map, \
                expected Utf8, LargeUtf8, or Utf8View"
            ),
        },
        2 => match (args[0].data_type(), args[1].data_type()) {
            (DataType::Utf8, DataType::Utf8) => str_to_map_impl(
                as_string_array(&args[0])?,
                Some(as_string_array(&args[1])?),
                None,
            ),
            (DataType::LargeUtf8, DataType::LargeUtf8) => str_to_map_impl(
                as_large_string_array(&args[0])?,
                Some(as_large_string_array(&args[1])?),
                None,
            ),
            (DataType::Utf8View, DataType::Utf8View) => str_to_map_impl(
                as_string_view_array(&args[0])?,
                Some(as_string_view_array(&args[1])?),
                None,
            ),
            (t1, t2) => exec_err!(
                "Unsupported data types ({t1:?}, {t2:?}) for str_to_map, \
                expected matching Utf8, LargeUtf8, or Utf8View"
            ),
        },
        3 => match (
            args[0].data_type(),
            args[1].data_type(),
            args[2].data_type(),
        ) {
            (DataType::Utf8, DataType::Utf8, DataType::Utf8) => str_to_map_impl(
                as_string_array(&args[0])?,
                Some(as_string_array(&args[1])?),
                Some(as_string_array(&args[2])?),
            ),
            (DataType::LargeUtf8, DataType::LargeUtf8, DataType::LargeUtf8) => {
                str_to_map_impl(
                    as_large_string_array(&args[0])?,
                    Some(as_large_string_array(&args[1])?),
                    Some(as_large_string_array(&args[2])?),
                )
            }
            (DataType::Utf8View, DataType::Utf8View, DataType::Utf8View) => {
                str_to_map_impl(
                    as_string_view_array(&args[0])?,
                    Some(as_string_view_array(&args[1])?),
                    Some(as_string_view_array(&args[2])?),