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Merge pnousiainen@bk-internal.mysql.com:/home/bk/mysql-4.1

Browse source 
into mysql.com:/space/pekka/ndb/version/my41
This commit is contained in:
pekka@mysql.com 2005-03-31 05:01:22 +02:00
commit d2b78a2825
1 changed files with 8 additions and 2 deletions
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10
sql/item_cmpfunc.cc
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@ -393,10 +393,16 @@ int Arg_comparator::compare_e_binary_string()
int Arg_comparator::compare_real()
{
double val1= (*a)->val();
/*
Fix yet another manifestation of Bug#2338. 'Volatile' will instruct
gcc to flush double values out of 80-bit Intel FPU registers before
performing the comparison.
*/
volatile double val1, val2;
val1= (*a)->val();
if (!(*a)->null_value)
{
double val2= (*b)->val();
val2= (*b)->val();
if (!(*b)->null_value)
{
owner->null_value= 0;