How to resolve “ORDER BY clause is not in SELECT list” caused MySQL 5.7 with SELECT DISTINCT and ORDER BY

Question

I installed the new Ubuntu and my code has got a problem with MySQL.

( ! ) Warning: PDOStatement::execute(): SQLSTAT         


        

Answer 1

If you have phpMyAdmin:

1-go to the Variables tabs

2-search label "sql mode"

3-edit the content and delete the mode : "ONLY_FULL_GROUP_BY"

4-save

NB: don't forget to verify the comma separator