CREATE TRIGGER Test_Demigod BEFORE INSERT
ON INSTANCE FOR EACH ROW
BEGIN
SET NEW.ID =(SELECT UUID());
END
使用mybatis注解式新增并写上@option注解
@Options(useGeneratedKeys = true, keyProperty = "id", keyColumn = "id")
int addInstance(Instance instance);
执行成功后instance中的id还是为空!
(别问为什么要使用触发器生成uuid主键,实际主键是一组有规律的字符串,这里使用uuid当实例)