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MDEV-35617: DROP USER should leave no active session for that user

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DROP USER looks for sessions by the do-be-dropped user and if found:
* fails with ER_CANNOT_USER in Oracle mode
* continues with ER_ACTIVE_CONNECTIONS_FOR_USER_TO_DROP warning otherwise

Every user being dropped is marked with flag that disallow establishing
a new connections on behalf this user.
This commit is contained in:
Dmitry Shulga
2025-05-28 00:05:05 +07:00
parent e3d9369774
commit ce7ab467db
51 changed files with 410 additions and 6 deletions
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2
mysql-test/suite/engines/funcs/r/rpl_slave_status.result
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@@ -30,6 +30,8 @@ n
==== Delete new replication user ====
connection master;
DROP USER rpl@127.0.0.1;
Warnings:
Note 4240 Dropped users 'rpl'@'127.0.0.1' have active connections. Use KILL CONNECTION if they should not be used anymore.
FLUSH PRIVILEGES;
connection slave;
==== Restart slave without privileges =====