C++ 连接 mariadb

#include <mysql/mysql.h>#include <stdio.h>#include <string.h>#include <stdlib.h>void show_error(MYSQL *mysql){  printf("Error(%d) [%s] \"%s\"", mysql_errno(mysql),                                  mysql_sqlstate(mysql),                                  mysql_error(mysql));  mysql_close(mysql);  exit(-1);}int main(int argc, char *argv[]){  MYSQL *mysql;  const char *query;  MYSQL_RES *result;  mysql= mysql_init(NULL);  if (!mysql_real_connect(mysql, "localhost", "root", "412413",                           "test", 0, "/var/lib/mysql/mysql.sock", 0))    show_error(mysql);  query= "INSERT INTO test (id,name,age,seq) VALUES (\"k1507072\", \"Gary\",31,1)";           if (mysql_real_query(mysql, query, strlen(query)))    show_error(mysql);  mysql_close(mysql);  return 0;}