-- Copyright (c) 2014, 2021, Oracle and/or its affiliates.
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License, version 2.0,
-- as published by the Free Software Foundation.
--
-- This program is also distributed with certain software (including
-- but not limited to OpenSSL) that is licensed under separate terms,
-- as designated in a particular file or component or in included license
-- documentation.  The authors of MySQL hereby grant you an additional
-- permission to link the program and your derivative works with the
-- separately licensed software that they have included with MySQL.
--
-- 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, version 2.0, 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

--
-- View: session
--
-- Filter sys.processlist to only show user sessions and not background threads.
-- This is a non-blocking closer replacement to
-- [INFORMATION_SCHEMA. | SHOW FULL] PROCESSLIST
-- 
-- Performs less locking than the legacy sources, whilst giving extra information.
--
-- mysql> select * from sys.session\G
-- *************************** 1. row ***************************
--                 thd_id: 24
--                conn_id: 2
--                   user: root@localhost
--                     db: sys
--                command: Query
--                  state: Sending data
--                   time: 0
--      current_statement: select * from sys.session
--      statement_latency: 137.22 ms
--               progress: NULL
--           lock_latency: 33.75 ms
--          rows_examined: 0
--              rows_sent: 0
--          rows_affected: 0
--             tmp_tables: 4
--        tmp_disk_tables: 1
--              full_scan: YES
--         last_statement: NULL
-- last_statement_latency: NULL
--         current_memory: 3.26 MiB
--              last_wait: wait/synch/mutex/innodb/file_format_max_mutex
--      last_wait_latency: 64.09 ns
--                 source: trx0sys.cc:778
--            trx_latency: 7.88 s
--              trx_state: ACTIVE
--         trx_autocommit: NO
--                    pid: 4212
--           program_name: mysql
--

CREATE OR REPLACE
  DEFINER = 'mysql.sys'@'localhost'
  SQL SECURITY INVOKER 
VIEW session
 AS
SELECT * FROM sys.processlist
WHERE conn_id IS NOT NULL AND command != 'Daemon';

