mysql 新版本出現group by 語句不兼容問題
[Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column’information_schema.PROFILING.SEQ’ which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
從提示上看是 sql_mode=only_full_group_by的問題
解決過程
1. 查看數據庫設置的 sql_mode
select @@global.sql_mode;
查詢出來的值爲:
ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
我們只要去掉ONLY_FULL_GROUP_BY 這個設置就好。
2.去掉ONLY_FULL_GROUP_BY
修改my.cnf 配置文件,刪掉only_full_group_by這一項,如果沒有設置,直接根據上面的查詢結果去掉ONLY_FULL_GROUP_BY
增加到配置文件,重啓mysql即可。