老外提问: Hi, I have an sql query which takes 8 seconds in the first run. The next run there after takes 0.5 seconds and all consecutive runs take 0.5 seconds. Is the plan getting cached? How do i make this query run in 0.5 second in the first run itself
在解析json数据的时候,在使用泛型对象的时候即: public class ResultMsgDto<E> implements Serializable { private static final long serialVersionUID = 123L; private int resultCode; private E resultObject; private String resultMsg; // get set } 第一次在使用 ResultMsgDto<List<