mysql8.0 在macos环境下 彻底解决 sql_mode 问题

    mysql新版本 group by 1055问题，真的很讨厌........终于忍不住了，临时方法缺点是每次启动都要重新设置，于是找方法，但是网上说的都会做了但是启动不了，不生效，亲自看了下mysql.server 配置文件，启动时会读取 /etc/my.cnf 或者安装目录下的my.cnf 

1、临时解决方案

SELECT @@sql_mode  查询看到 有这么个讨厌的东西 ONLY_FULL_GROUP_BY   ， 于是去掉这个值，  set sql_mode = 修改后的值

2、彻底解决 

 在mysql 的安装目录下 添加 my.cnf 

/usr/local/mysql-8.0.23-macos10.15-x86_64 

配置文件  

#For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html
# *** DO NOT EDIT THIS FILE. It's a template which will be copied to the
# *** default location during install, and will be replaced if you
# *** upgrade to a newer version of MySQL.

[mysqld]

# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M

# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin

# These are commonly set, remove the # and set as required.
# basedir = .....
# datadir = .....
# port = .....
# server_id = .....
# socket = .....

# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M

#配置不包含ONLY_FULL_GROUP_BY
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

重启mysql ok 彻底解决  (必须是命令行启动，我也搞不懂，在mac的系统便好设置的左下角点mysql启动为什么不生效，命令行配置可以网上搜搜)