class ActiveRecord::QueryCache

def self.complete(pools)
  pools.each { |pool| pool.disable_query_cache! }
  if ActiveRecord.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