class SQLite3::Database

the overhead of a useless type translator. (See the Translator class.)
if a database does not use type translation, it will not be burdened by
instances. Furthermore, the translators are instantiated lazily, so that
type handlers to be installed in each instance without affecting other
database instance has its own type translator; this allows for different
Return the type translator employed by this database instance. Each

def translator
  @translator ||= Translator.new
end