# File activerecord/lib/active_record/connection_adapters/mysql_adapter.rb, line 388
def self.alias_type(new, old)
  TYPES[new] = TYPES[old]
end

# File activerecord/lib/active_record/connection_adapters/mysql_adapter.rb, line 392
def self.find_type(field)
  if field.type == Mysql::Field::TYPE_TINY && field.length > 1
    TYPES[Mysql::Field::TYPE_LONG]
  else
    TYPES.fetch(field.type) { Fields::Identity.new }
  end
end

# File activerecord/lib/active_record/connection_adapters/mysql_adapter.rb, line 384
def self.register_type(type_id, type)
  TYPES[type_id] = type
end