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I would like to change the prompt to my mariadb or mysql client.

I would like the prompt to be the contain of a variable like report_host or more, to something that can change like default_master_connection.

Does someone know how to do it?

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AFAIK MySQL prompt cannot be set to MySQL variables (Global or Session). The only options that can be used are documented at https://dev.mysql.com/doc/refman/5.7/en/mysql-commands.html (look towards the end of the documentation page for a full list).

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Several ways.

Set it manually:

mysql> prompt Foo>
PROMPT set to 'Foo> '
Foo>

Environment variable:

root@ironforge:~# export MYSQL_PS1="Foo> "
root@ironforge:~# mysql -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 195
Server version: 5.5.54-0ubuntu0.14.04.1 (Ubuntu)

Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

Foo>

You can also use variables to add things like the database name (\d), hostname (\h) etc to the prompt. A full list is available in the documentation.

  • sorry, but I want the prompt to follow some mysql variables. I just don't know what the variable will be BEFORE I launch mysql or mariadb, but it may change often during working sessions. – dominix Mar 31 '17 at 10:02

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