association_scope_cache

# File activerecord/lib/active_record/reflection.rb, line 440
      def association_scope_cache(conn, owner, &block)
        key = conn.prepared_statements
        if polymorphic?
          key = [key, owner._read_attribute(@foreign_type)]
        end
        @association_scope_cache.compute_if_absent(key) { StatementCache.create(conn, &block) }
      end