How to Solve MySQL Secure file priv error

Problem description

When I want to export data in mysql, I find an error. The error contents are as follows

The MySQL server is running with the --secure-file-priv option so it cannot execute this statement

Principle interpretation

secure file priv is a system variable in MySQL that controls the operation of importing and exporting data, such as load data or select... Into output or load_FILE()

Use show global variables like 'secure_File% ' view the set value of this variable, which may have the following three values

  1. no value. That is, this variable has no effect

2﹥ point to a path. That is, import and export can only use this path

three ⃣ ️ NULL。 Import and export operations are prohibited

The default value of this system variable is different for different platforms

terms of settlement

Environment: MySQL 8.0.26 (installed with homebrew ), macbook pro 2020 Intel Edition

one ⃣ Create corresponding files, ~ /.My.CNF , and use your customary text editor. I use nano , which contains the following contents

[mysqld]
secure_file_priv = ''

two ⃣ Restart the MySQL service and log in

brew services stop mysql
brew services start mysql

mysql -uroot -p

3﹥ check whether the modification is successful in MySQL,

show global variables like 'secure_file%';

# If the modification is successful it should display the following, showing a null value
+------------------+-------+
| Variable_name    | Value |
+------------------+-------+
| secure_file_priv |       |
+------------------+-------+
1 row in set (0.00 sec)

Done!

Link:
https://stackoverflow.com/questions/7973927/for-homebrew-mysql-installs-wheres-my-cnf
https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html#sysvar_secure_file_priv

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