def self.complete(pools)
  pools.each { |pool| pool.disable_query_cache! unless pool.discarded? }
  ActiveRecord::Base.connection_handler.each_connection_pool do |pool|
    pool.release_connection if pool.active_connection? && !pool.connection.transaction_open?
  end
end

def self.install_executor_hooks(executor = ActiveSupport::Executor)
  executor.register_hook(self)
end

def self.run
  ActiveRecord::Base.connection_handler.each_connection_pool.reject { |p| p.query_cache_enabled }.each { |p| p.enable_query_cache! }
end