MDEV-9077 add sys_schema from https://github.com/mysql/mysql-sys

2025-07-30 16:24:05 +03:00 · 2021-03-17 17:57:11 +01:00
parent 7c5c6fa65c
commit 4bac804c90
179 changed files with 21600 additions and 0 deletions
--- a/scripts/sys_schema/functions/ps_is_consumer_enabled.sql
+++ b/scripts/sys_schema/functions/ps_is_consumer_enabled.sql
@ -0,0 +1,76 @@
+-- Copyright (c) 2014, 2015, 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_consumer_enabled;
+
+DELIMITER $$
+
+CREATE DEFINER='root'@'localhost' FUNCTION ps_is_consumer_enabled (
+        in_consumer varchar(64)
+   )
+   RETURNS enum('YES', 'NO')
+    COMMENT '
+             Description
+             -----------
+
+             Determines whether a consumer is enabled (taking the consumer hierarchy into consideration)
+             within the Performance Schema.
+
+             Parameters
+             -----------
+
+             in_consumer VARCHAR(64): 
+               The name of the consumer to check.
+
+             Returns
+             -----------
+
+             ENUM(\'YES\', \'NO\')
+
+             Example
+             -----------
+
+             mysql> SELECT sys.ps_is_consumer_enabled(\'events_stages_history\');
+             +-----------------------------------------------------+
+             | sys.ps_is_consumer_enabled(\'events_stages_history\') |
+             +-----------------------------------------------------+
+             | NO                                                  |
+             +-----------------------------------------------------+
+             1 row in set (0.00 sec)
+            '
+    SQL SECURITY INVOKER
+    DETERMINISTIC 
+    READS SQL DATA 
+BEGIN
+    RETURN (
+        SELECT (CASE
+                   WHEN c.NAME = 'global_instrumentation' THEN c.ENABLED
+                   WHEN c.NAME = 'thread_instrumentation' THEN IF(cg.ENABLED = 'YES' AND c.ENABLED = 'YES', 'YES', 'NO')
+                   WHEN c.NAME LIKE '%\_digest'           THEN IF(cg.ENABLED = 'YES' AND c.ENABLED = 'YES', 'YES', 'NO')
+                   WHEN c.NAME LIKE '%\_current'          THEN IF(cg.ENABLED = 'YES' AND ct.ENABLED = 'YES' AND c.ENABLED = 'YES', 'YES', 'NO')
+                   ELSE IF(cg.ENABLED = 'YES' AND ct.ENABLED = 'YES' AND c.ENABLED = 'YES'
+                           AND ( SELECT cc.ENABLED FROM performance_schema.setup_consumers cc WHERE NAME = CONCAT(SUBSTRING_INDEX(c.NAME, '_', 2), '_current')
+                               ) = 'YES', 'YES', 'NO')
+                END) AS IsEnabled
+          FROM performance_schema.setup_consumers c
+               INNER JOIN performance_schema.setup_consumers cg
+               INNER JOIN performance_schema.setup_consumers ct
+         WHERE cg.NAME       = 'global_instrumentation'
+               AND ct.NAME   = 'thread_instrumentation'
+               AND c.NAME    = in_consumer
+       );
+END$$
+
+DELIMITER ;