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IN now aggregates all argument types for comparison

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unknown 2003-07-18 14:03:54 +05:00
commit 687863c093
4 changed files with 34 additions and 3 deletions
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21
mysql-test/r/func_in.result
View file

@ -143,3 +143,24 @@ select * from t1 where 'a' in (a,b,c collate latin1_bin);
a b c
a c c
drop table t1;
select '1.0' in (1,2);
'1.0' in (1,2)
1
select 1 in ('1.0',2);
1 in ('1.0',2)
1
select 1 in (1,'2.0');
1 in (1,'2.0')
1
select 1 in ('1.0',2.0);
1 in ('1.0',2.0)
1
select 1 in (1.0,'2.0');
1 in (1.0,'2.0')
1
select 1 in ('1.1',2);
1 in ('1.1',2)
0
select 1 in ('1.1',2.0);
1 in ('1.1',2.0)
0

8
mysql-test/t/func_in.test
View file

@ -73,3 +73,11 @@ select * from t1 where 'a' collate latin1_general_ci in (a,b,c);
select * from t1 where 'a' collate latin1_bin in (a,b,c);
select * from t1 where 'a' in (a,b,c collate latin1_bin);
drop table t1;
select '1.0' in (1,2);
select 1 in ('1.0',2);
select 1 in (1,'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',2.0);

7
sql/item_cmpfunc.cc
View file

@ -1405,7 +1405,8 @@ void Item_func_in::fix_length_and_dec()
Item **arg, **arg_end;
uint const_itm= 1;
if ((args[0]->result_type() == STRING_RESULT) &&
agg_cmp_type(&cmp_type, args, arg_count);
if ((cmp_type == STRING_RESULT) &&
(agg_arg_collations_for_comparison(cmp_collation, args, arg_count)))
return;
@ -1418,7 +1419,7 @@ void Item_func_in::fix_length_and_dec()
*/
if (const_itm && !nulls_in_row())
{
switch (args[0]->result_type()) {
switch (cmp_type) {
case STRING_RESULT:
uint i;
array=new in_string(arg_count-1,(qsort2_cmp) srtcmp_in,
@ -1452,7 +1453,7 @@ void Item_func_in::fix_length_and_dec()
else
{
in_item= cmp_item::get_comparator(args[0]);
if (args[0]->result_type() == STRING_RESULT)
if (cmp_type == STRING_RESULT)
in_item->cmp_charset= cmp_collation.collation;
}
maybe_null= args[0]->maybe_null;

1
sql/item_cmpfunc.h
View file

@ -611,6 +611,7 @@ public:
class Item_func_in :public Item_int_func
{
Item_result cmp_type;
in_vector *array;
cmp_item *in_item;
bool have_null;