-- Copyright (c) 2014, 2016, 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 PROCEDURE IF EXISTS ps_setup_show_enabled;

DELIMITER $$

CREATE DEFINER='mariadb.sys'@'localhost' PROCEDURE ps_setup_show_enabled (
        IN in_show_instruments BOOLEAN,
        IN in_show_threads BOOLEAN
    )
    COMMENT '
             Description
             -----------

             Shows all currently enabled Performance Schema configuration.

             Parameters
             -----------

             in_show_instruments (BOOLEAN):
               Whether to print enabled instruments (can print many items)

             in_show_threads (BOOLEAN):
               Whether to print enabled threads

             Example
             -----------

             mysql> CALL sys.ps_setup_show_enabled(TRUE, TRUE);
             +----------------------------+
             | performance_schema_enabled |
             +----------------------------+
             |                          1 |
             +----------------------------+
             1 row in set (0.00 sec)

             +---------------+
             | enabled_users |
             +---------------+
             | \'%\'@\'%\'       |
             +---------------+
             1 row in set (0.01 sec)

             +-------------+---------+---------+-------+
             | object_type | objects | enabled | timed |
             +-------------+---------+---------+-------+
             | EVENT       | %.%     | YES     | YES   |
             | FUNCTION    | %.%     | YES     | YES   |
             | PROCEDURE   | %.%     | YES     | YES   |
             | TABLE       | %.%     | YES     | YES   |
             | TRIGGER     | %.%     | YES     | YES   |
             +-------------+---------+---------+-------+
             5 rows in set (0.01 sec)

             +---------------------------+
             | enabled_consumers         |
             +---------------------------+
             | events_statements_current |
             | global_instrumentation    |
             | thread_instrumentation    |
             | statements_digest         |
             +---------------------------+
             4 rows in set (0.05 sec)

             +---------------------------------+-------------+
             | enabled_threads                 | thread_type |
             +---------------------------------+-------------+
             | sql/main                        | BACKGROUND  |
             | sql/thread_timer_notifier       | BACKGROUND  |
             | innodb/io_ibuf_thread           | BACKGROUND  |
             | innodb/io_log_thread            | BACKGROUND  |
             | innodb/io_read_thread           | BACKGROUND  |
             | innodb/io_read_thread           | BACKGROUND  |
             | innodb/io_write_thread          | BACKGROUND  |
             | innodb/io_write_thread          | BACKGROUND  |
             | innodb/page_cleaner_thread      | BACKGROUND  |
             | innodb/srv_lock_timeout_thread  | BACKGROUND  |
             | innodb/srv_error_monitor_thread | BACKGROUND  |
             | innodb/srv_monitor_thread       | BACKGROUND  |
             | innodb/srv_master_thread        | BACKGROUND  |
             | innodb/srv_purge_thread         | BACKGROUND  |
             | innodb/srv_worker_thread        | BACKGROUND  |
             | innodb/srv_worker_thread        | BACKGROUND  |
             | innodb/srv_worker_thread        | BACKGROUND  |
             | innodb/buf_dump_thread          | BACKGROUND  |
             | innodb/dict_stats_thread        | BACKGROUND  |
             | sql/signal_handler              | BACKGROUND  |
             | sql/compress_gtid_table         | FOREGROUND  |
             | root@localhost                  | FOREGROUND  |
             +---------------------------------+-------------+
             22 rows in set (0.01 sec)

             +-------------------------------------+-------+
             | enabled_instruments                 | timed |
             +-------------------------------------+-------+
             | wait/io/file/sql/map                | YES   |
             | wait/io/file/sql/binlog             | YES   |
             ...
             | statement/com/Error                 | YES   |
             | statement/com/                      | YES   |
             | idle                                | YES   |
             +-------------------------------------+-------+
             210 rows in set (0.08 sec)

             Query OK, 0 rows affected (0.89 sec)
            '
    SQL SECURITY INVOKER
    DETERMINISTIC
    READS SQL DATA
BEGIN
    SELECT @@performance_schema AS performance_schema_enabled;

    -- In 5.7.6 and later the setup_actors table has an ENABLED column to
    -- specify whether the actor is enabled. Before that all actors matched
    -- in the setup_actors table were enabled.
    SELECT CONCAT('\'', user, '\'@\'', host, '\'') AS enabled_users
      FROM performance_schema.setup_actors
      WHERE enabled = 'YES'
     ORDER BY enabled_users;

    SELECT object_type,
           CONCAT(object_schema, '.', object_name) AS objects,
           enabled,
           timed
      FROM performance_schema.setup_objects
     WHERE enabled = 'YES'
     ORDER BY object_type, objects;

    SELECT name AS enabled_consumers
      FROM performance_schema.setup_consumers
     WHERE enabled = 'YES'
     ORDER BY enabled_consumers;

    IF (in_show_threads) THEN
        SELECT IF(name = 'thread/sql/one_connection', 
                  CONCAT(processlist_user, '@', processlist_host), 
                  REPLACE(name, 'thread/', '')) AS enabled_threads,
        TYPE AS thread_type
          FROM performance_schema.threads
         WHERE INSTRUMENTED = 'YES' AND name <> 'thread/innodb/thread_pool_thread'
         ORDER BY enabled_threads;
    END IF;

    IF (in_show_instruments) THEN
        SELECT name AS enabled_instruments,
               timed
          FROM performance_schema.setup_instruments
         WHERE enabled = 'YES'
         ORDER BY enabled_instruments;
    END IF;
END$$

DELIMITER ;