# File activerecord/lib/active_record/query_cache.rb, line 42
    def self.complete(pools)
      pools.each { |pool| pool.disable_query_cache! }

      if ActiveRecord::Base.legacy_connection_handling
        ActiveRecord::Base.connection_handlers.each do |_, handler|
          handler.connection_pool_list.each do |pool|
            pool.release_connection if pool.active_connection? && !pool.connection.transaction_open?
          end
        end
      else
        ActiveRecord::Base.connection_handler.all_connection_pools.each do |pool|
          pool.release_connection if pool.active_connection? && !pool.connection.transaction_open?
        end
      end
    end

# File activerecord/lib/active_record/query_cache.rb, line 58
    def self.install_executor_hooks(executor = ActiveSupport::Executor)
      executor.register_hook(self)
    end

# File activerecord/lib/active_record/query_cache.rb, line 28
    def self.run
      pools = []

      if ActiveRecord::Base.legacy_connection_handling
        ActiveRecord::Base.connection_handlers.each do |key, handler|
          pools.concat(handler.connection_pool_list.reject { |p| p.query_cache_enabled }.each { |p| p.enable_query_cache! })
        end
      else
        pools.concat(ActiveRecord::Base.connection_handler.all_connection_pools.reject { |p| p.query_cache_enabled }.each { |p| p.enable_query_cache! })
      end

      pools
    end