在MyBatis中实现长SQL查询检测可以通过配置插件来实现。具体步骤如下:
创建一个实现了Interceptor接口的自定义拦截器类,该拦截器用于检测SQL语句的长度。可以继承StatementHandler拦截器类来实现。public class LongSQLInterceptor implements Interceptor { @Override public Object intercept(Invocation invocation) throws Throwable { StatementHandler statementHandler = (StatementHandler) invocation.getTarget(); BoundSql boundSql = statementHandler.getBoundSql(); String sql = boundSql.getSql(); if (sql.length() > 1000) { throw new RuntimeException("SQL statement is too long"); } return invocation.proceed(); } @Override public Object plugin(Object target) { return Plugin.wrap(target, this); } @Override public void setProperties(Properties properties) { // 设置拦截器属性 }}在MyBatis的配置文件中配置该拦截器:<plugins> <plugin interceptor="com.example.LongSQLInterceptor"/></plugins>使用配置好的拦截器进行长SQL查询检测:SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);Configuration configuration = sqlSessionFactory.getConfiguration();configuration.addInterceptor(new LongSQLInterceptor());通过以上步骤,就可以在MyBatis中实现长SQL查询的检测,当SQL语句超过指定长度时会抛出异常。




