【MySQL】MySQL异常SELECT list is not in GROUP BY clause and contains nonaggregated column ‘

报错信息

### Cause: java.sql.SQLSyntaxErrorException: Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'production_mes2.log_cutpiecequalitytestingrecords.workCellId' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by ; bad SQL grammar []; nested exception is java.sql.SQLSyntaxErrorException: Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'production_mes2.log_cutpiecequalitytestingrecords.workCellId' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by] with root cause java.sql.SQLSyntaxErrorException: Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'production_mes2.log_cutpiecequalitytestingrecords.workCellId' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:120) ~[mysql-connector-java-8.0.21.jar:8.0.21]

原因：MySQL5.7多余ONLY_FULL_GROUP_BY的sql_model被禁止使用

解决方案

去掉MySQl5.7的ONLY_FULL_GROUP_BY模式 1、

SELECT @@GLOBAL.sql_mode;

2、

set @@GLOBAL.sql_mode='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION';

3、重新连接数据库

测试