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On handling the DROP USER statement it is counted a number of sessions established on behalf every user being dropped. In case the DROP USER statement is executed in sql_mode = oracle the error ER_CANNOT_USER if there are active connections for any of the users listed at the DROP USER statement. For sql_mode != oracle the warning ER_ACTIVE_CONNECTIONS_FOR_USER_TO_DROP if there are active connections. Every user being dropped is marked with flag that disallow establishing a new connections on behalf this user.
36 lines
1.7 KiB
Text
36 lines
1.7 KiB
Text
create user foo@localhost;
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grant create user on *.* to foo@localhost;
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create user current_user;
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ERROR HY000: Operation CREATE USER failed for CURRENT_USER
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create user current_role;
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ERROR HY000: Operation CREATE USER failed for CURRENT_ROLE
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create role current_user;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'current_user' at line 1
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create role current_role;
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ERROR HY000: Operation CREATE ROLE failed for CURRENT_ROLE
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drop user current_user;
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Warnings:
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Note 4240 Dropped users 'foo'@'localhost' have active connections. Use KILL CONNECTION if they should not be used anymore.
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drop user current_role;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'current_role' at line 1
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drop role current_user;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'current_user' at line 1
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drop role current_role;
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ERROR HY000: Operation DROP ROLE failed for CURRENT_ROLE
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show warnings;
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Level Code Message
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Error 1959 Invalid role specification `NONE`
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Error 1396 Operation DROP ROLE failed for CURRENT_ROLE
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create role r1;
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grant r1 to current_user;
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set role r1;
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select current_role();
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current_role()
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r1
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create user current_role;
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ERROR HY000: Operation CREATE USER failed for CURRENT_ROLE
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create role current_role;
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ERROR HY000: Operation CREATE ROLE failed for CURRENT_ROLE
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drop user current_role;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'current_role' at line 1
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drop role current_role;
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