ActiveRecord::Base

    # File lib/active_record/connection_adapters/em_mysql2_adapter.rb, line 9
 9:     def self.em_mysql2_connection(config)
10:       client = ::Mysql2::Fibered::Client.new(config.symbolize_keys)
11:       options = [config[:host], config[:username], config[:password], config[:database], config[:port], config[:socket], 0]
12:       ConnectionAdapters::Mysql2Adapter.new(client, logger, options, config)
13:     end

    # File lib/active_record/connection_adapters/mysql2_adapter.rb, line 7
 7:     def self.mysql2_connection(config)
 8:       config[:username] = 'root' if config[:username].nil?
 9: 
10:       if Mysql2::Client.const_defined? :FOUND_ROWS
11:         config[:flags] = Mysql2::Client::FOUND_ROWS
12:       end
13: 
14:       client = Mysql2::Client.new(config.symbolize_keys)
15:       options = [config[:host], config[:username], config[:password], config[:database], config[:port], config[:socket], 0]
16:       ConnectionAdapters::Mysql2Adapter.new(client, logger, options, config)
17:     end