s not a\ndate value.\n\nURL: http://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html\n\n','mysql> SELECT PERIOD_ADD(200801,2);\n        -> 200803\n','http://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html');
