记录mysql报错"this is incompatible with sql_mode=only_full_group_by"

Report found that the purchase button 500 test app, is found by looking at the log sql 'error "this is incompatible with sql_mode = only_full_group_by", version of the problem is found through Baidu

The original database migration to the reasons for the low configuration after 5.7 5.6.

Specific Solutions

Edit the file my.conf

In the mysqld adding the following

sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

Restart mysql perfect outrightly