MYSQLND_SQLSTATE_NULL 1600 ext/mysqlnd/mysqlnd.c 	return conn->error_info->sqlstate[0] ? conn->error_info->sqlstate:MYSQLND_SQLSTATE_NULL;
MYSQLND_SQLSTATE_NULL 1755 ext/mysqlnd/mysqlnd_ps.c 	return stmt && stmt->error_info->sqlstate[0] ? stmt->error_info->sqlstate:MYSQLND_SQLSTATE_NULL;