text: -- name: find-all
  -- Get all of the users in the database.
  select * from users
  
  -- name: count-all
  -- Get the total number of users.
  select count(*) from users
  
  -- name: create<!
  -- Create a user with a username and password.
  insert into users (username, password)
         values (:username, :password)
  
  -- name: find-by-username
  -- Find a user by the given username.
  select * from users where username = :username limit 1
  
  -- name: delete-all!
  -- Delete all users.
  delete from users
  