Title: org.hibernate.exception.sqlgrammarexception: could not extract resultset, solve group above MySQL 5.7.5_ By is not supported

The reason for the problem:
MySQL 5.7.5 and above functions rely on the detection function. If only is enabled_ FULL_ GROUP_ By SQL mode (by default), MySQL will reject queries that select lists, having conditions, or order by lists, refer to non collection columns that are neither named nor functionally dependent on them in the group by clause（ Before 5.7.5, MySQL did not detect any functional dependency, and only was not enabled by default_ FULL_ GROUP_ BY。 For a description of the behavior before 5.7.5, please refer to the MySQL 5.6 reference manual.)

Solution 1:

Open navcat,

Query with SQL:

select @@global.sql_ mode

The values are as follows:

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

Remove only_ FULL_ GROUP_ By, reset the 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’;

Solution 2:

Successful steps:

Item open

sudo vim /etc/mysql/conf.d/mysql.cnf

Scroll to the bottom of the file and copy and paste

[mysqld]
sql_ mode=STRICT_ TRANS_ TABLES,NO_ ZERO_ IN_ DATE,NO_ ZERO_ DATE,ERROR_ FOR_ DIVISION_ BY_ ZERO,NO_ AUTO_ CREATE_ USER,NO_ ENGINE_ SUBSTITUTION

Go to the bottom of the file

Save and exit input mode

sudo service mysql restart

Restart mysql
complete