connection_pools

# File activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb, line 499
      def connection_pools
        ActiveSupport::Deprecation.warn(
          "In the next release, this will return the same as #connection_pool_list. "            "(An array of pools, rather than a hash mapping specs to pools.)"
        )
        Hash[connection_pool_list.map { |pool| [pool.spec, pool] }]
      end