首先我们创建一个表json用于存储json数据,我们对其中的class或name进行排序,我们该如何处理?
create table Json (
A varchar(100) not null
);
insert into Json (A) values ("{'class':'beatiful','name':'wonderful'}");
insert into Json (A) values ("{'name':'fantastic','class':'amazing'}");
insert into Json (A) values ("{'name':'dantastic','class':'dmazing'}");
执行sql排序
select *
, substring_index(substring_index(
replace(substr(A, 2, char_length(A) - 2), '\':\'', '\',\'')
, ','
, find_in_set('\'name\'', replace(substr(A, 2, char_length(A) - 2), '\':\'', '\',\'')) + 1
), ',', -1) as SortItem
from Json
按照上述sql我们直接修改name为class进行排序,是不是很简单,尝试下吧
order by SortItem;