instance method configure_connection

# File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 669
        def configure_connection
          @connection.query_options.merge!(:as => :array)

          # By default, MySQL 'where id is null' selects the last inserted id.
          # Turn this off. http://dev.rubyonrails.org/ticket/6778
          variable_assignments = ['SQL_AUTO_IS_NULL=0']
          encoding = @config[:encoding]

          # make sure we set the encoding
          variable_assignments << "NAMES '#{encoding}'" if encoding

          # increase timeout so mysql server doesn't disconnect us
          wait_timeout = @config[:wait_timeout]
          wait_timeout = 2592000 unless wait_timeout.is_a?(Fixnum)
          variable_assignments << "@@wait_timeout = #{wait_timeout}"

          execute("SET #{variable_assignments.join(', ')}", :skip_logging)
        end