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Fix for Bug#3754 "SET GLOBAL myisam_max_sort_file_size doesn't

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work as expected": precision-losing conversion removed from 
sys_var_thd_ulonglong.
This commit is contained in:
konstantin@mysql.com 2004-05-19 16:42:29 +04:00
parent fdc0f0e781
commit e13e9288c9
3 changed files with 13 additions and 3 deletions
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4
mysql-test/r/variables.result
View file

@ -377,3 +377,7 @@ select 1;
1
select @@session.key_buffer_size;
Variable 'key_buffer_size' is a GLOBAL variable
set global myisam_max_sort_file_size=4294967296;
show global variables like 'myisam_max_sort_file_size';
Variable_name Value
myisam_max_sort_file_size 4294967296

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

@ -268,4 +268,10 @@ select @@xxxxxxxxxx;
select 1;
--error 1238
select @@session.key_buffer_size;
select @@session.key_buffer_size;
# Bug#3754 SET GLOBAL myisam_max_sort_file_size doesn't work as
# expected: check that there is no overflow when 64-bit unsigned
# variables are set
set global myisam_max_sort_file_size=4294967296;
show global variables like 'myisam_max_sort_file_size';

4
sql/set_var.cc
View file

@ -965,11 +965,11 @@ bool sys_var_thd_ulonglong::update(THD *thd, set_var *var)
{
ulonglong tmp= var->value->val_int();
if ((ulonglong) tmp > max_system_variables.*offset)
if (tmp > max_system_variables.*offset)
tmp= max_system_variables.*offset;
if (option_limits)
tmp= (ulong) getopt_ull_limit_value(tmp, option_limits);
tmp= getopt_ull_limit_value(tmp, option_limits);
if (var->type == OPT_GLOBAL)
{
/* Lock is needed to make things safe on 32 bit systems */