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71 lines
2.6 KiB
SQL
71 lines
2.6 KiB
SQL
-- Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; version 2 of the License.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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DROP FUNCTION IF EXISTS ps_thread_account;
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DELIMITER $$
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CREATE DEFINER='mariadb.sys'@'localhost' FUNCTION ps_thread_account (
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in_thread_id BIGINT UNSIGNED
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) RETURNS TEXT
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COMMENT '
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Description
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-----------
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Return the user@host account for the given Performance Schema thread id.
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Parameters
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-----------
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in_thread_id (BIGINT UNSIGNED):
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The id of the thread to return the account for.
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Example
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-----------
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mysql> select thread_id, processlist_user, processlist_host from performance_schema.threads where type = ''foreground'';
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+-----------+------------------+------------------+
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| thread_id | processlist_user | processlist_host |
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+-----------+------------------+------------------+
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| 23 | NULL | NULL |
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| 30 | root | localhost |
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| 31 | msandbox | localhost |
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| 32 | msandbox | localhost |
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+-----------+------------------+------------------+
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4 rows in set (0.00 sec)
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mysql> select sys.ps_thread_account(31);
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+---------------------------+
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| sys.ps_thread_account(31) |
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+---------------------------+
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| msandbox@localhost |
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+---------------------------+
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1 row in set (0.00 sec)
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'
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SQL SECURITY INVOKER
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NOT DETERMINISTIC
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READS SQL DATA
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BEGIN
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RETURN (SELECT IF(
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type = 'FOREGROUND',
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CONCAT(processlist_user, '@', processlist_host),
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type
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) AS account
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FROM `performance_schema`.`threads`
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WHERE thread_id = in_thread_id);
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END$$
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DELIMITER ;
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