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Fix for bug #4340: find_in_set is case insensitive even on binary operators(2nd version)

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mysql-test/r/func_set.result:
  Fix for bug #4340: find_in_set is case insensitive even on binary operators
mysql-test/t/func_set.test:
  Fix for bug #4340: find_in_set is case insensitive even on binary operators
sql/item_func.cc:
  Fix for bug #4340: find_in_set is case insensitive even on binary operators
This commit is contained in:
unknown
2004-08-24 17:29:08 +04:00
parent 696a303547
commit b758a6d142
3 changed files with 36 additions and 5 deletions
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9
mysql-test/r/func_set.result
View File

@@ -28,3 +28,12 @@ find_in_set("abc","abc") find_in_set("ab","abc") find_in_set("abcd","abc")
select interval(null, 1, 10, 100);
interval(null, 1, 10, 100)
-1
select find_in_set(binary 'a',binary 'A,B,C');
find_in_set(binary 'a',binary 'A,B,C')
0
select find_in_set('a',binary 'A,B,C');
find_in_set('a',binary 'A,B,C')
0
select find_in_set(binary 'a', 'A,B,C');
find_in_set(binary 'a', 'A,B,C')
0

8
mysql-test/t/func_set.test
View File

@@ -16,3 +16,11 @@ select elt(2,1),field(NULL,"a","b","c");
select find_in_set("","a,b,c"),find_in_set("","a,b,c,"),find_in_set("",",a,b,c");
select find_in_set("abc","abc"),find_in_set("ab","abc"),find_in_set("abcd","abc");
select interval(null, 1, 10, 100);
#
# Bug4340: find_in_set is case insensitive even on binary operators
#
select find_in_set(binary 'a',binary 'A,B,C');
select find_in_set('a',binary 'A,B,C');
select find_in_set(binary 'a', 'A,B,C');

24
sql/item_func.cc
View File

@@ -1071,6 +1071,7 @@ static const char separator=',';
longlong Item_func_find_in_set::val_int()
{
bool binary_cmp= args[0]->binary || args[1]->binary;
if (enum_value)
{
ulonglong tmp=(ulonglong) args[1]->val_int();
@@ -1103,12 +1104,25 @@ longlong Item_func_find_in_set::val_int()
do
{
const char *pos= f_pos;
while (pos != f_end)
if (binary_cmp)
{
if (toupper(*str) != toupper(*pos))
goto not_found;
str++;
pos++;
while (pos != f_end)
{
if (*str != *pos)
goto not_found;
str++;
pos++;
}
}
else
{
while (pos != f_end)
{
if (toupper(*str) != toupper(*pos))
goto not_found;
str++;
pos++;
}
}
if (str == real_end || str[0] == separator)
return (longlong) position;