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Fix for Bug#39854 events_scheduling fails sporadically on pushbuild

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Detail:
- Choose the solution that was already in place (before last fix)
  for 6.0
- minor cleanup in comments
This commit is contained in:
Matthias Leich
2008-12-16 19:09:09 +01:00
parent 9e42a60017
commit 692a879665
2 changed files with 7 additions and 33 deletions
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12
mysql-test/r/events_scheduling.result
View File

@ -62,18 +62,6 @@ CREATE EVENT event_4 ON SCHEDULE EVERY 1 SECOND ENDS NOW() + INTERVAL 1 SECOND
ON COMPLETION PRESERVE
DO
INSERT INTO table_4 VALUES (1);
SELECT IF(SUM(a) >= 4, 'OK', 'ERROR') FROM table_1;
IF(SUM(a) >= 4, 'OK', 'ERROR')
OK
SELECT IF(SUM(a) >= 4, 'OK', 'ERROR') FROM table_2;
IF(SUM(a) >= 4, 'OK', 'ERROR')
OK
SELECT IF(SUM(a) >= 1, 'OK', 'ERROR') FROM table_3;
IF(SUM(a) >= 1, 'OK', 'ERROR')
OK
SELECT IF(SUM(a) >= 1, 'OK', 'ERROR') FROM table_4;
IF(SUM(a) >= 1, 'OK', 'ERROR')
OK
SELECT IF(TIME_TO_SEC(TIMEDIFF(ENDS,STARTS))=6, 'OK', 'ERROR')
FROM INFORMATION_SCHEMA.EVENTS
WHERE EVENT_SCHEMA=DATABASE() AND EVENT_NAME='event_2';

28
mysql-test/t/events_scheduling.test
View File

@ -58,8 +58,6 @@ ON COMPLETION PRESERVE
DO
INSERT INTO table_4 VALUES (1);
# Wait for the events to fire and check the data afterwards
# Let event_1 insert at least 4 records into the table
let $wait_condition=select count(*) >= 4 from table_1;
--source include/wait_condition.inc
@ -85,25 +83,13 @@ let $wait_condition=select count(*) = 0 from information_schema.events
where event_name='event_4' and status='enabled';
--source include/wait_condition.inc
let $wait_condition=SELECT SUM(a) >= 4 FROM table_1;
source include/wait_condition.inc;
SELECT IF(SUM(a) >= 4, 'OK', 'ERROR') FROM table_1;
# In case of a testing box under heavy load it cannot be guaranteed that
# it is really often enough checked if event_2 has to be executed.
# -> Bug#39854 events_scheduling fails sporadically on pushbuild
# Therefore we lowered here the original expectation of 5 to 4.
let $wait_condition=SELECT SUM(a) >= 4 FROM table_2;
source include/wait_condition.inc;
SELECT IF(SUM(a) >= 4, 'OK', 'ERROR') FROM table_2;
let $wait_condition=SELECT SUM(a) >= 1 FROM table_3;
source include/wait_condition.inc;
SELECT IF(SUM(a) >= 1, 'OK', 'ERROR') FROM table_3;
let $wait_condition=SELECT SUM(a) >= 1 FROM table_4;
source include/wait_condition.inc;
SELECT IF(SUM(a) >= 1, 'OK', 'ERROR') FROM table_4;
#
# On a busy system the scheduler may skip execution of events,
# we can't reliably expect that the data in a table to be modified
# by an event will be exact. Thus we do not SELECT from the tables
# in this test. See also
# Bug#39854 events_scheduling fails sporadically on pushbuild
#
SELECT IF(TIME_TO_SEC(TIMEDIFF(ENDS,STARTS))=6, 'OK', 'ERROR')
FROM INFORMATION_SCHEMA.EVENTS