MySQL encounters the problem of expression 1 of select list is not in group by claim and contains nonaggre

1. Here is my error report

Error reason ：

MySQL 5.7.5 And the above functions depend on the detection function . If enabled ONLY_FULL_GROUP_BY
SQL Pattern （ By default ）,MySQL Selection list will be rejected ,HAVING Condition or ORDER BY The query reference of the list is in GROUP BY Unnamed non set column in clause , It doesn't depend on them in function .（5.7.5 Before ,MySQL No functional dependency detected , Not enabled by default ONLY_FULL_GROUP_BY. of 5.7.5 A description of the previous behavior , Please see the “MySQL5.6 Reference manual ”.）

Solution 1 ：

1： Inquire about mysql relevant mode

1：select @@global.sql_mode;

You can see that the pattern contains ONLY_FULL_GROUP_BY, As long as there is no such configuration .

my Mysql The version is 5.7.23, The default is to bring ONLY_FULL_GROUP_BY Pattern .

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 

2： Reset mode value

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： Restart mysql service

Solution 2

        1： Open in Notepad my.cnf file ; 

 

2： stay [mysqld] Add the following sentence to solve the problem by restarting the service after configuration ;

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： restart mysql service

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