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Fix for bug #28125: ERROR 2013 when adding index.

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Problem: we may break a multibyte char sequence using a key 
reduced to maximum allowed length for a storage engine
(that leads to failed assertion in the innodb code, 
see also #17530). 

Fix: align truncated key length to multibyte char boundary.
This commit is contained in:
ramil/ram@mysql.com/ramil.myoffice.izhnet.ru
2007-07-18 12:13:45 +05:00
parent 261acdbbea
commit 100faf97c4
3 changed files with 26 additions and 3 deletions
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9
mysql-test/t/innodb_mysql.test
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@ -741,4 +741,13 @@ set @@sort_buffer_size=default;
DROP TABLE t1,t2;
#
# Bug #28125: ERROR 2013 when adding index.
#
create table t1(a text) engine=innodb default charset=utf8;
insert into t1 values('aaa');
alter table t1 add index(a(1024));
show create table t1;
drop table t1;
--echo End of 5.0 tests