text: /**
  * input
  *   userID:     user_id<Number>
  *   targetID:   recipe_id<Number>
  *
  * returns:
  *   | followcount | togglefollow |
  *   |-------------|--------------|
  *   | number      | boolean      |
  */
  
  WITH recipe_of_interest AS (
    SELECT
      user_id
    FROM
      followers_users_recipes
    WHERE
      recipe_id = ${targetID}
  )
  SELECT
    count(*) AS followcount,
    (EXISTS
      (SELECT
        1
      FROM
        recipe_of_interest
      WHERE
        user_id = ${userID})
    ) AS togglefollow
  FROM
    recipe_of_interest;
  