database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

Backport from next-mr-bugfixing of tor.didriksen@sun.com-20100106140051-3j2iuag63eltsr2e

Browse Source 
Bug #50087 Interval arithmetic for Event_queue_element is not portable.

Subtraction of two unsigned months yielded a (very large) positive value.
Conversion of this to a signed value was not necessarily well defined.
              
Solution: do the subtraction on signed values.



mysql-test/r/events_scheduling.result:
  Add test case.
mysql-test/t/events_scheduling.test:
  Add test case.
sql/event_data_objects.cc:
  Convert month to signed before doing the subtraction.
This commit is contained in:
Tor Didriksen
2010-05-19 11:18:59 +02:00
parent 36be33b0ad
commit 5539f5ccf6
3 changed files with 48 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
mysql-test/r/events_scheduling.result
View File

@ -82,5 +82,24 @@ DROP TABLE table_1;
DROP TABLE table_2;
DROP TABLE table_3;
DROP TABLE table_4;
Bug #50087 Interval arithmetic for Event_queue_element is not portable.
CREATE TABLE t1(a int);
CREATE EVENT e1 ON SCHEDULE EVERY 1 MONTH
STARTS NOW() - INTERVAL 1 MONTH
ENDS NOW() + INTERVAL 2 MONTH
ON COMPLETION PRESERVE
DO
INSERT INTO t1 VALUES (1);
CREATE EVENT e2 ON SCHEDULE EVERY 1 MONTH
STARTS NOW()
ENDS NOW() + INTERVAL 11 MONTH
ON COMPLETION PRESERVE
DO
INSERT INTO t1 VALUES (1);
DROP TABLE t1;
DROP EVENT e1;
DROP EVENT e2;
DROP DATABASE events_test;
SET GLOBAL event_scheduler=@event_scheduler;