error Illegal mix of collations for concat

Question

Iam trying to execute database

SELECT v.id AS id,
       DATE_FORMAT(v.`date`, \'%d %b %y\') AS `date`,
       `getDateDiff`(v.`date`) AS `datediff`,
       c.`n         


        

Answer 1

I had a similar issue lately. Before you concat do a

... CONVERT(myCol TO utf8)...

for all your cols that you want to concat.