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Bug#44358 valgrind errors with decode() function

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The warning happens because string argument is not zero ended.
The fix is to add new parameter 'length' to SQL_CRYPT() and
use ptr() instead of c_ptr().
This commit is contained in:
Sergey Glukhov
2009-04-23 12:43:42 +05:00
parent c27566aec5
commit 3b3fc01425
5 changed files with 31 additions and 5 deletions
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14
mysql-test/r/func_str.result
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@ -2526,3 +2526,17 @@ h i
31.12.2008 AAAAAA, aaaaaa
DROP TABLE t1;
End of 5.0 tests
drop table if exists t1;
create table t1(f1 tinyint default null)engine=myisam;
insert into t1 values (-1),(null);
explain select 1 as a from t1,(select decode(f1,f1) as b from t1) a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 Using join buffer
2 DERIVED t1 ALL NULL NULL NULL NULL 2
explain select 1 as a from t1,(select encode(f1,f1) as b from t1) a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 Using join buffer
2 DERIVED t1 ALL NULL NULL NULL NULL 2
drop table t1;