Naturally sort numbers

natural_sort.sql

SELECT DISTINCT commerce_product.product_id AS product_id, commerce_product.sku AS commerce_product_sku, commerce_product.changed AS commerce_product_changed, users_commerce_product.mail AS users_commerce_product_mail, users_commerce_product.uid AS users_commerce_product_uid, 'commerce_product' AS field_data_title_field_commerce_product_entity_type, 'commerce_product' AS field_data_field_special_commerce_product_entity_type
FROM
  commerce_product commerce_product
ORDER BY LENGTH(commerce_product.sku), commerce_product.sku ASC;