a:8:{i:0;s:2:"id";i:1;s:4:"name";i:2;s:5:"level";i:3;s:3:"pid";i:4;s:3:"num";i:5;s:10:"test_state";s:3:"_pk";s:2:"id";s:5:"_type";a:6:{s:2:"id";s:7:"int(11)";s:4:"name";s:12:"varchar(255)";s:5:"level";s:10:"tinyint(1)";s:3:"pid";s:7:"int(11)";s:3:"num";s:24:"int(5) unsigned zerofill";s:10:"test_state";s:24:"int(5) unsigned zerofill";}}