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Merge mysql.com:/home/hf/work/31758/my41-31758

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into  mysql.com:/home/hf/work/31758/my50-31758


mysql-test/t/func_str.test:
  Auto merged
mysql-test/r/func_str.result:
  merging
sql/item_strfunc.h:
  merging
This commit is contained in:
unknown 2007-11-05 18:12:42 +04:00
commit 62617b09c3
3 changed files with 28 additions and 2 deletions
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12
mysql-test/r/func_str.result
View file

@ -1095,6 +1095,18 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system NULL NULL NULL NULL 0 const row not found
Warnings:
Note 1003 select decode('','zxcv') AS `enc` from `test`.`t1`
drop table t1;
create table t1 (a bigint not null)engine=myisam;
insert into t1 set a = 1024*1024*1024*4;
delete from t1 order by (inet_ntoa(a)) desc limit 10;
drop table t1;
create table t1 (a char(36) not null)engine=myisam;
insert ignore into t1 set a = ' ';
insert ignore into t1 set a = ' ';
select * from t1 order by (oct(a));
a
drop table t1;
End of 4.1 tests
create table t1 (d decimal default null);

13
mysql-test/t/func_str.test
View file

@ -738,6 +738,19 @@ explain extended select encode(f1,'zxcv') as 'enc' from t1;
explain extended select decode(f1,'zxcv') as 'enc' from t1;
drop table t1;
#
# Bug #31758 inet_ntoa, oct, crashes server with null + filesort
#
create table t1 (a bigint not null)engine=myisam;
insert into t1 set a = 1024*1024*1024*4;
delete from t1 order by (inet_ntoa(a)) desc limit 10;
drop table t1;
create table t1 (a char(36) not null)engine=myisam;
insert ignore into t1 set a = ' ';
insert ignore into t1 set a = ' ';
select * from t1 order by (oct(a));
drop table t1;
--echo End of 4.1 tests
#

5
sql/item_strfunc.h
View file

@ -584,7 +584,8 @@ public:
void fix_length_and_dec()
{
collation.set(default_charset());
max_length= 64;
max_length=64;
maybe_null= 1;
}
};
@ -682,7 +683,7 @@ public:
}
String* val_str(String* str);
const char *func_name() const { return "inet_ntoa"; }
void fix_length_and_dec() { decimals = 0; max_length=3*8+7; }
void fix_length_and_dec() { decimals = 0; max_length=3*8+7; maybe_null=1;}
};
class Item_func_quote :public Item_str_func