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mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00

Bug#57609 performance_schema does not work with lower_case_table_names

Before this fix, the performance schema tables were defined in UPPERCASE.

This was incompatible with the lowercase_table_names option, and caused
issues with the install / upgrade process, when changing the lower case
table names setting *after* the install or upgrade.

With this fix, all performance schema tables are exposed with lowercase names.
As a result, the name of the performance schema table is always lowercase,
no matter how / if / when the lowercase_table_names setting if changed.
This commit is contained in:
Marc Alff
2010-11-03 16:42:33 +01:00
parent 02ca1fe3f1
commit 4e1678daca
147 changed files with 2132 additions and 2279 deletions

View File

@ -1,38 +1,38 @@
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'YES', timed = 'YES';
UPDATE performance_schema.setup_instruments SET enabled = 'YES', timed = 'YES';
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (id INT PRIMARY KEY, b CHAR(100) DEFAULT 'initial value')
ENGINE=MyISAM;
INSERT INTO t1 (id) VALUES (1), (2), (3), (4), (5), (6), (7), (8);
SELECT OPERATION, SUM(NUMBER_OF_BYTES) AS TOTAL
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
FROM performance_schema.events_waits_history_long
GROUP BY OPERATION
HAVING TOTAL IS NOT NULL
ORDER BY OPERATION
LIMIT 1;
OPERATION TOTAL
chsize [NUM_BYTES]
SELECT EVENT_ID FROM performance_schema.EVENTS_WAITS_CURRENT
SELECT EVENT_ID FROM performance_schema.events_waits_current
WHERE THREAD_ID IN
(SELECT THREAD_ID FROM performance_schema.THREADS)
(SELECT THREAD_ID FROM performance_schema.threads)
AND EVENT_NAME IN
(SELECT NAME FROM performance_schema.SETUP_INSTRUMENTS
(SELECT NAME FROM performance_schema.setup_instruments
WHERE NAME LIKE "wait/synch/%")
LIMIT 1;
EVENT_ID
[EVENT_ID]
SELECT DISTINCT EVENT_ID
FROM performance_schema.EVENTS_WAITS_CURRENT
JOIN performance_schema.EVENTS_WAITS_HISTORY USING (EVENT_ID)
JOIN performance_schema.EVENTS_WAITS_HISTORY_LONG USING (EVENT_ID)
FROM performance_schema.events_waits_current
JOIN performance_schema.events_waits_history USING (EVENT_ID)
JOIN performance_schema.events_waits_history_long USING (EVENT_ID)
ORDER BY EVENT_ID
LIMIT 1;
EVENT_ID
[EVENT_ID]
SELECT t1.THREAD_ID, t2.EVENT_ID, t3.EVENT_NAME, t4.TIMER_WAIT
FROM performance_schema.EVENTS_WAITS_HISTORY t1
JOIN performance_schema.EVENTS_WAITS_HISTORY t2 USING (EVENT_ID)
JOIN performance_schema.EVENTS_WAITS_HISTORY t3 ON (t2.THREAD_ID = t3.THREAD_ID)
JOIN performance_schema.EVENTS_WAITS_HISTORY t4 ON (t3.EVENT_NAME = t4.EVENT_NAME)
FROM performance_schema.events_waits_history t1
JOIN performance_schema.events_waits_history t2 USING (EVENT_ID)
JOIN performance_schema.events_waits_history t3 ON (t2.THREAD_ID = t3.THREAD_ID)
JOIN performance_schema.events_waits_history t4 ON (t3.EVENT_NAME = t4.EVENT_NAME)
ORDER BY t1.EVENT_ID, t2.EVENT_ID
LIMIT 5;
THREAD_ID EVENT_ID EVENT_NAME TIMER_WAIT
@ -42,11 +42,11 @@ THREAD_ID EVENT_ID EVENT_NAME TIMER_WAIT
[THREAD_ID] [EVENT_ID] [EVENT_NAME] [TIMER_WAIT]
[THREAD_ID] [EVENT_ID] [EVENT_NAME] [TIMER_WAIT]
SELECT THREAD_ID, EVENT_ID FROM (
SELECT THREAD_ID, EVENT_ID FROM performance_schema.EVENTS_WAITS_CURRENT
SELECT THREAD_ID, EVENT_ID FROM performance_schema.events_waits_current
UNION
SELECT THREAD_ID, EVENT_ID FROM performance_schema.EVENTS_WAITS_HISTORY
SELECT THREAD_ID, EVENT_ID FROM performance_schema.events_waits_history
UNION
SELECT THREAD_ID, EVENT_ID FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
SELECT THREAD_ID, EVENT_ID FROM performance_schema.events_waits_history_long
) t1 ORDER BY THREAD_ID, EVENT_ID
LIMIT 5;
THREAD_ID EVENT_ID
@ -58,14 +58,14 @@ THREAD_ID EVENT_ID
DROP TABLE IF EXISTS t_event;
DROP EVENT IF EXISTS t_ps_event;
CREATE TABLE t_event AS
SELECT EVENT_ID FROM performance_schema.EVENTS_WAITS_CURRENT
SELECT EVENT_ID FROM performance_schema.events_waits_current
WHERE 1 = 2;
CREATE EVENT t_ps_event
ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL 1 SECOND
DO INSERT INTO t_event
SELECT DISTINCT EVENT_ID
FROM performance_schema.EVENTS_WAITS_CURRENT
JOIN performance_schema.EVENTS_WAITS_HISTORY USING (EVENT_ID)
FROM performance_schema.events_waits_current
JOIN performance_schema.events_waits_history USING (EVENT_ID)
ORDER BY EVENT_ID
LIMIT 1;
ALTER TABLE t1 ADD COLUMN c INT;
@ -73,7 +73,7 @@ DROP TRIGGER IF EXISTS t_ps_trigger;
CREATE TRIGGER t_ps_trigger BEFORE INSERT ON t1
FOR EACH ROW BEGIN
SET NEW.c = (SELECT MAX(EVENT_ID)
FROM performance_schema.EVENTS_WAITS_CURRENT);
FROM performance_schema.events_waits_current);
END;
|
INSERT INTO t1 (id) VALUES (11), (12), (13);
@ -86,7 +86,7 @@ DROP TRIGGER t_ps_trigger;
DROP PROCEDURE IF EXISTS t_ps_proc;
CREATE PROCEDURE t_ps_proc(IN conid INT, OUT pid INT)
BEGIN
SELECT thread_id FROM performance_schema.THREADS
SELECT thread_id FROM performance_schema.threads
WHERE PROCESSLIST_ID = conid INTO pid;
END;
|
@ -94,7 +94,7 @@ CALL t_ps_proc(connection_id(), @p_id);
DROP FUNCTION IF EXISTS t_ps_proc;
CREATE FUNCTION t_ps_func(conid INT) RETURNS int
BEGIN
return (SELECT thread_id FROM performance_schema.THREADS
return (SELECT thread_id FROM performance_schema.threads
WHERE PROCESSLIST_ID = conid);
END;
|