Function array_min_max_helper

datafusion/functions-nested/src/min_max.rs:202–219

(
    array: &GenericListArray<O>,
    is_min: bool,
)

}

fn array_min_max_helper<O: OffsetSizeTrait>(
    array: &GenericListArray<O>,
    is_min: bool,
) -> Result<ArrayRef> {
    // Try the primitive fast path first
    if let Some(result) = try_primitive_array_min_max(array, is_min) {
        return result;
    }

    // Fallback: per-row ScalarValue path for non-primitive types
    let agg_fn = if is_min { min_batch } else { max_batch };
    let null_value = ScalarValue::try_from(array.value_type())?;
    let result_vec: Vec<ScalarValue> = array
        .iter()
        .map(|arr| arr.as_ref().map_or_else(|| Ok(null_value.clone()), agg_fn))
        .try_collect()?;
    ScalarValue::iter_to_array(result_vec)
}

/// Dispatches to a typed primitive min/max implementation, or returns `None` if
/// the element type is not a primitive.