这是一个由粗心导致的错误,具体报错如下:
org.apache.ibatis.exceptions.PersistenceException: ### Error building SqlSession.### The error may exist in SQL Mapper Configuration### Cause: org.apache...
the controller is existing, and the method 'test' exist on 'app\http\controllers\admin\indexcontroller'. but laravel show me that there is no method on the controller, i don't know why. i have askd...
今天在写PostgreSQL语句时候发现运行这个代码
SELECT t1.equipid, t2.equipname, t1.bigtype, t1.smalltype
FROM pdw_gh_problems t1
LEFT JOIN pdw_gh_prohouse t2 ON t2.equipid = t1.equipid
WHERE bi...
需要实现:
if not exists(select * from errorconfig where type='retrywaitseconds')
begin
insert into errorconfig(type,value1)
values('retrywaitseconds','3')
end
只能用:
insert into errorconfi...