associated_table

# File activerecord/lib/active_record/table_metadata.rb, line 44
    def associated_table(table_name)
      return self if table_name == arel_table.name

      association = klass._reflect_on_association(table_name)
      if association && !association.polymorphic?
        association_klass = association.klass
        arel_table = association_klass.arel_table.alias(table_name)
      else
        type_caster = TypeCaster::Connection.new(klass, table_name)
        association_klass = nil
        arel_table = Arel::Table.new(table_name, type_caster: type_caster)
      end

      TableMetadata.new(association_klass, arel_table, association)
    end