Should allow String substitutes about rom-sql HOT 2 CLOSED

require 'rom-sql'
require 'rom-repository'

class Users < ROM::Relation[:sql]
  schema(:users) do
    attribute :id, Types::Serial
    attribute :name, Types::String
    attribute :type, Types::Coercible::String
  end
end

class Type < Struct.new(:value)
  def to_str
    value
  end
end

class UserRepo < ROM::Repository[:users]
  commands :create
end

config = ROM::Configuration.new(:sql, 'sqlite::memory')
config.register_relation Users

config.gateways[:default].connection.create_table(:users) do
  primary_key :id
  column :name, String
  column :type, String
end

container = ROM.container(config)
user_repo = UserRepo.new(container)

john = user_repo.create(name: 'John', type: Type.new('User'))

puts john.inspect
# #<ROM::Struct[User] id=1 name="John" type="User">