Details
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Task
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Status: Open (View Workflow)
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Major
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Resolution: Unresolved
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None
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None
Description
Ideally, it would probably make sense to provide ALTER USER syntax that supports multiple types of operations related to the multiple authentication methods functionality introduced by MDEV-11340.
For example, let's say that we have the default root@localhost account:
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MariaDB [(none)]> SHOW CREATE USER 'root'@'localhost'; |
+----------------------------------------------------------------------------------------------------+ |
| CREATE USER for root@localhost | |
+----------------------------------------------------------------------------------------------------+ |
| CREATE USER 'root'@'localhost' IDENTIFIED VIA mysql_native_password USING 'invalid' OR unix_socket | |
+----------------------------------------------------------------------------------------------------+ |
1 row in set (0.000 sec) |
Users might want ALTER USER statements like:
- An ALTER USER statement to set the authentication methods to exactly what the statement says, and discard any existing ones. I think the syntax for that would be the currently supported syntax:
-- change authentication method, discard existing ones
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ALTER USER 'root'@'localhost' IDENTIFIED VIA mysql_native_password USING PASSWORD('password'); |
- An ALTER USER statement to modify an existing authentication method, and leave the user account's other existing authentication methods as-is. This syntax might make sense:
-- change existing authentication method, keep other existing ones too
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ALTER USER 'root'@'localhost' MODIFY IDENTIFIED VIA mysql_native_password USING PASSWORD('password'); |
- An ALTER USER statement to add a new authentication method to the beginning of the list, and leave other existing authentication methods as-is. This syntax might make sense:
-- add new authentication method to beginning, keep existing ones too
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ALTER USER 'root'@'localhost' ADD IDENTIFIED VIA pam USING 'mariadb' FIRST; |
- An ALTER USER statement to add a new authentication method to the end of the list, and leave other existing authentication methods as-is. This syntax might make sense:
-- add new authentication method to end, keep existing ones too
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ALTER USER 'root'@'localhost' ADD IDENTIFIED VIA pam USING 'mariadb' LAST; |
Attachments
Issue Links
- is caused by
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- Closed
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- relates to
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MDEV-21928 ALTER USER doesn't remove excess authentication plugins from mysql.global_priv
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- Closed
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