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#7874: CONCAT() gives wrong results mixing latin1 field and utf8 string literals

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We should not overwrite res if it is returned from a const item.
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bar@mysql.com
2005-01-18 10:42:29 +04:00
parent edffca827e
commit 8f23e90232
3 changed files with 26 additions and 1 deletions
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12
mysql-test/t/ctype_utf8.test
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@@ -681,3 +681,15 @@ SET collation_connection='utf8_general_ci';
-- source include/ctype_filesort.inc
SET collation_connection='utf8_bin';
-- source include/ctype_filesort.inc
#
# Bug #7874 CONCAT() gives wrong results mixing
# latin1 field and utf8 string literals
#
CREATE TABLE t1 (
user varchar(255) NOT NULL default ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES ('one'),('two');
SELECT CHARSET('a');
SELECT user, CONCAT('<', user, '>') AS c FROM t1;
DROP TABLE t1;