如何从mysql的列中的数组中选择一行

Question

I want to select a row from my table where the "user id" is equal to some userid, but my columns are an array. How can I select on it?

Answer 1

select * from table_name where FIND_IN_SET(@user_id,user_id) > 0

Answer 2

你期待这样的事情吗

select * from table_name where userid=@userid

Answer 3

试试这个查询..

select * from table where CONCAT(',', userid, ',') like '%,@yourid,%'

Answer 4

试试这个 mysql

select * from table_name where FIND_IN_SET('%@userid%',userid);