select_all

# File activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb, line 100
      def select_all(arel, name = nil, binds = [], preparable: nil, async: false) # :nodoc:
        arel = arel_from_relation(arel)

        # If arel is locked this is a SELECT ... FOR UPDATE or somesuch.
        # Such queries should not be cached.
        if @query_cache_enabled && !(arel.respond_to?(:locked) && arel.locked)
          sql, binds, preparable = to_sql_and_binds(arel, binds, preparable)

          if async
            result = lookup_sql_cache(sql, name, binds) || super(sql, name, binds, preparable: preparable, async: async)
            FutureResult::Complete.new(result)
          else
            cache_sql(sql, name, binds) { super(sql, name, binds, preparable: preparable, async: async) }
          end
        else
          super
        end
      end