database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-27 18:02:13 +03:00
Code Activity

Test for MDEV-13119 and MDEV-13120

Browse Source 
These bugs:
MDEV-13119 Wrong results with CAST(AS CHAR) and subquery
MDEV-13120 Wrong results with MAKE_SET() and subquery
were previously fixed by:
MDEV-13790 UNHEX() of a somewhat complicated CONCAT() returns NULL

Adding tests only
This commit is contained in:
Alexander Barkov
2018-10-15 10:57:36 +04:00
parent cb4877a503
commit ae3fe14c17
2 changed files with 42 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
mysql-test/r/func_concat.result
View File

@ -268,3 +268,23 @@ SET optimizer_switch=@save_optimizer_switch;
SELECT UNHEX(CONCAT('414C2', HEX(8 + ROUND(RAND()*7)), SUBSTR(SHA(UUID()),6,33),HEX(2+ROUND(RAND()*8)))) IS NULL AS c1;
c1
0
#
# MDEV-13119 Wrong results with CAST(AS CHAR) and subquery
#
SET optimizer_switch=_utf8'derived_merge=on';
CREATE TABLE t1 (t VARCHAR(10) CHARSET latin1);
INSERT INTO t1 VALUES('abcdefghi');
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT CAST(t AS CHAR CHARACTER SET utf8) t2 FROM t1) sub;
c2
abcdefghi-abcdefghi
DROP TABLE t1;
SET optimizer_switch=@save_optimizer_switch;
#
# MDEV-13120 Wrong results with MAKE_SET() and subquery
#
CREATE TABLE t1 (t VARCHAR(10) CHARSET latin1);
INSERT INTO t1 VALUES('abcdefghi');
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT MAKE_SET(3,t,t) t2 FROM t1) sub;
c2
abcdefghi,abcdefghi-abcdefghi,abcdefghi
DROP TABLE t1;