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func_in.result, func_in.test:

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Added a case for bug #6365.
item_cmpfunc.cc:
  Fixed bug #6365 : Server crashed when list of values
  in IN predicate contains NULL while the tested field is
  of the character type and not of the default set;
  e.g. when f in 'f IN (NULL,'aa') belongs to binary
  character set, while the default character set is latin1.
This commit is contained in:
igor@rurik.mysql.com 2004-11-04 20:39:52 -08:00
parent 3196273590
commit 4df18b1aae
3 changed files with 15 additions and 1 deletions
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6
mysql-test/r/func_in.result
View File

@ -179,3 +179,9 @@ select 1 in ('1.1',2);
select 1 in ('1.1',2.0); select 1 in ('1.1',2.0);
1 in ('1.1',2.0) 1 in ('1.1',2.0)
0 0
create table t1 (a char(20) character set binary);
insert into t1 values ('aa'), ('bb');
select * from t1 where a in (NULL, 'aa');
a
aa
drop table t1;

7
mysql-test/t/func_in.test
View File

@ -89,3 +89,10 @@ select 1 in ('1.0',2.0);
select 1 in (1.0,'2.0'); select 1 in (1.0,'2.0');
select 1 in ('1.1',2); select 1 in ('1.1',2);
select 1 in ('1.1',2.0); select 1 in ('1.1',2.0);
# Test case for bug #6365
create table t1 (a char(20) character set binary);
insert into t1 values ('aa'), ('bb');
select * from t1 where a in (NULL, 'aa');
drop table t1;

3
sql/item_cmpfunc.cc
View File

@ -1749,7 +1749,8 @@ void Item_func_in::fix_length_and_dec()
thd->set_n_backup_item_arena(arena, &backup); thd->set_n_backup_item_arena(arena, &backup);
for (arg= args+1, arg_end= args+arg_count; arg < arg_end; arg++) for (arg= args+1, arg_end= args+arg_count; arg < arg_end; arg++)
{ {
if (!my_charset_same(cmp_collation.collation, if (!arg[0]->null_value &&
!my_charset_same(cmp_collation.collation,
arg[0]->collation.collation)) arg[0]->collation.collation))
{ {
Item_string *conv; Item_string *conv;