bug_x

导航

 

1、JSON_LENGTH:

   

select content from test1

["1","2","3","4","5","6"]

select json_length(content) from test1
 
6

  

2、JSON_VALID 判断是否是json :   0 否,1 是

3、

  

posted on 2018-06-05 09:43  bug_x  阅读(173)  评论(0编辑  收藏  举报