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Merge abarkov@bk-internal.mysql.com:/home/bk/mysql-4.1

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into  mysql.com:/usr/home/bar/mysql-4.1.b15581
This commit is contained in:
bar@mysql.com
2006-01-12 11:13:34 +04:00
parent 9105d06dd6 f206a123a1
commit 45c84d0aa9
3 changed files with 21 additions and 3 deletions
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8
mysql-test/r/ctype_utf8.result
View File

@ -1070,3 +1070,11 @@ char(a)
1
2
drop table t1;
CREATE TABLE t1 (t TINYTEXT CHARACTER SET utf8);
INSERT INTO t1 VALUES(REPEAT('a', 100));
CREATE TEMPORARY TABLE t2 SELECT COALESCE(t) AS bug FROM t1;
SELECT LENGTH(bug) FROM t2;
LENGTH(bug)
100
DROP TABLE t2;
DROP TABLE t1;

10
mysql-test/t/ctype_utf8.test
View File

@ -882,4 +882,14 @@ set names utf8;
select distinct char(a) from t1;
drop table t1;
#
# Bug#15581: COALESCE function truncates mutli-byte TINYTEXT values
#
CREATE TABLE t1 (t TINYTEXT CHARACTER SET utf8);
INSERT INTO t1 VALUES(REPEAT('a', 100));
CREATE TEMPORARY TABLE t2 SELECT COALESCE(t) AS bug FROM t1;
SELECT LENGTH(bug) FROM t2;
DROP TABLE t2;
DROP TABLE t1;
# End of 4.1 tests

6
sql/field.cc
View File

@ -6949,11 +6949,11 @@ uint32 Field_blob::max_length()
switch (packlength)
{
case 1:
return 255;
return 255 * field_charset->mbmaxlen;
case 2:
return 65535;
return 65535 * field_charset->mbmaxlen;
case 3:
return 16777215;
return 16777215 * field_charset->mbmaxlen;
case 4:
return (uint32) 4294967295U;
default: