connect

# File activerecord/lib/active_record/connection_adapters/mysql_adapter.rb, line 385
        def connect
          encoding = @config[:encoding]
          if encoding
            @connection.options(Mysql::SET_CHARSET_NAME, encoding) rescue nil
          end
          @connection.ssl_set(@config[:sslkey], @config[:sslcert], @config[:sslca], @config[:sslcapath], @config[:sslcipher]) if @config[:sslkey]
          @connection.real_connect(*@connection_options)
          execute("SET NAMES '#{encoding}'") if encoding

          # By default, MySQL 'where id is null' selects the last inserted id.
          # Turn this off. http://dev.rubyonrails.org/ticket/6778
          execute("SET SQL_AUTO_IS_NULL=0")
        end