This is incompative with sql_mode = only_full_group_by mysql group by cannot take effect
tags: SpringBoot-MyBatisPlus mysql sql database
Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column ‘XXXX’ which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
I encountered a MySQL version problem when doing paging; the above errors occurred when using the group by paging in the MySQL version 5.7 or more.
Run mysql statement
SELECT @@GLOBAL.sql_mode; SELECT @@SESSION.sql_mode;
search result
Save the query results
Windows found in mysql installation directorymy.ini file
Add below ** [mysqld] **
sql_mode = 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
This configuration
Delete after addingONLY_FULL_GROUP_BY
sql_mode = TRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
If you aremy.ini fileThere are sql_mode configuration in the file and in the configurationONLY_FULL_GROUP_BY Can be deleted directly
Remember to restart mysql after deleting it, otherwise the configuration cannot take effect
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