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/* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
DROP FUNCTION IF EXISTS ps_is_account_enabled;
DELIMITER $$
CREATE DEFINER='root'@'localhost' FUNCTION ps_is_account_enabled (
in_host VARCHAR(60),
in_user VARCHAR(16)
)
RETURNS ENUM('YES', 'NO', 'PARTIAL')
COMMENT '
Description
-----------
Determines whether instrumentation of an account is enabled
within Performance Schema.
Parameters
-----------
in_host VARCHAR(60):
The hostname of the account to check.
in_user (VARCHAR(16)):
The username of the account to check.
Returns
-----------
ENUM(\'YES\', \'NO\', \'PARTIAL\')
Example
-----------
mysql> SELECT sys.ps_is_account_enabled(\'localhost\', \'root\');
+------------------------------------------------+
| sys.ps_is_account_enabled(\'localhost\', \'root\') |
+------------------------------------------------+
| YES |
+------------------------------------------------+
1 row in set (0.01 sec)
'
SQL SECURITY INVOKER
DETERMINISTIC
READS SQL DATA
BEGIN
RETURN IF(EXISTS(SELECT 1
FROM performance_schema.setup_actors
WHERE (`HOST` = '%' OR in_host LIKE `HOST`)
AND (`USER` = '%' OR `USER` = in_user)
),
'YES', 'NO'
);
END $$
DELIMITER ;
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