set concurrency support flag (not thread safe, like most of the methods in this file)

Source Code

# File active_record/connection_adapters/abstract/connection_specification.rb, line 41
def allow_concurrency=(threaded) #:nodoc:
  logger.debug "allow_concurrency=#{threaded}" if logger
  return if @@allow_concurrency == threaded
  clear_all_cached_connections!
  @@allow_concurrency = threaded
  method_prefix = threaded ? "thread_safe" : "single_threaded"
  sing = (class << self; self; end)
  [:active_connections, :scoped_methods].each do |method|
    sing.send(:alias_method, method, "#{method_prefix}_#{method}")
  end
  log_connections if logger
end