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ramil@mysql.com 2005-03-17 10:59:25 +04:00
commit 261105a007
3 changed files with 18 additions and 1 deletions
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7
mysql-test/r/update.result
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@ -219,3 +219,10 @@ select * from t1;
id id_str id id_str
1 test1 1 test1
drop table t1; drop table t1;
create table t1 (a int, b char(255), key(a, b(20)));
insert into t1 values (0, '1');
update t1 set b = b + 1 where a = 0;
select * from t1;
a b
0 2
drop table t1;

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

@ -179,3 +179,13 @@ insert into t1 (id_str) values ("test");
update t1 set id_str = concat(id_str, id) where id = last_insert_id(); update t1 set id_str = concat(id_str, id) where id = last_insert_id();
select * from t1; select * from t1;
drop table t1; drop table t1;
#
# Bug #8942: a problem with update and partial key part
#
create table t1 (a int, b char(255), key(a, b(20)));
insert into t1 values (0, '1');
update t1 set b = b + 1 where a = 0;
select * from t1;
drop table t1;

2
sql/key.cc
View File

@ -293,7 +293,7 @@ bool check_if_key_used(TABLE *table, uint idx, List<Item> &fields)
f.rewind(); f.rewind();
while ((field=(Item_field*) f++)) while ((field=(Item_field*) f++))
{ {
if (key_part->field == field->field) if (key_part->field->eq(field->field))
return 1; return 1;
} }
} }