mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-01-31 11:01:52 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

Added test case for Bug#18712: Truncation problem. The test

Browse source 
is only to make sure that this will not be fixed, as it is
intended behaviour. Documentation will be improved accordingly.
This commit is contained in:
jani@ua141d10.elisa.omakaista.fi 2006-05-04 17:05:21 +03:00
parent dee1baaefd
commit 3e1e98876a
2 changed files with 36 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
mysql-test/r/select.result
View file

@ -3390,3 +3390,24 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using where
DROP TABLE t1,t2;
CREATE TABLE t1 (i TINYINT UNSIGNED NOT NULL);
INSERT t1 SET i = 0;
UPDATE t1 SET i = -1;
Warnings:
Warning 1264 Out of range value adjusted for column 'i' at row 1
SELECT * FROM t1;
i
0
UPDATE t1 SET i = CAST(i - 1 AS SIGNED);
Warnings:
Warning 1264 Out of range value adjusted for column 'i' at row 1
SELECT * FROM t1;
i
0
UPDATE t1 SET i = i - 1;
Warnings:
Warning 1264 Out of range value adjusted for column 'i' at row 1
SELECT * FROM t1;
i
255
DROP TABLE t1;

15
mysql-test/t/select.test
View file

@ -2871,3 +2871,18 @@ SELECT t2.sku, t2.sppr, t2.name, t1.sku, t1.pr
DROP TABLE t1,t2;
#
# Bug#18712: Truncation problem (needs just documenting and test
# cases to prevent fixing this accidently. It is intended behaviour)
#
CREATE TABLE t1 (i TINYINT UNSIGNED NOT NULL);
INSERT t1 SET i = 0;
UPDATE t1 SET i = -1;
SELECT * FROM t1;
UPDATE t1 SET i = CAST(i - 1 AS SIGNED);
SELECT * FROM t1;
UPDATE t1 SET i = i - 1;
SELECT * FROM t1;
DROP TABLE t1;