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Merge mysql.com:/home/jimw/my/mysql-4.1-clean

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into  mysql.com:/home/jimw/my/mysql-5.0-clean
This commit is contained in:
jimw@mysql.com 2005-09-02 12:42:00 -07:00
commit 0e323e566d
4 changed files with 29 additions and 5 deletions
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5
mysql-test/r/variables.result
View File

@ -513,6 +513,11 @@ SHOW VARIABLES LIKE 'table_cache';
Variable_name Value
table_cache 1
SET GLOBAL table_cache=DEFAULT;
set character_set_results=NULL;
select ifnull(@@character_set_results,"really null");
ifnull(@@character_set_results,"really null")
really null
set names latin1;
create table t1 (a int);
select a into @x from t1;
Warnings:

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

@ -390,6 +390,14 @@ SET GLOBAL table_cache=-1;
SHOW VARIABLES LIKE 'table_cache';
SET GLOBAL table_cache=DEFAULT;
#
# Bugs12363: character_set_results is nullable,
# but value_ptr returns string "NULL"
#
set character_set_results=NULL;
select ifnull(@@character_set_results,"really null");
set names latin1;
# End of 4.1 tests
#

7
scripts/mysqld_multi.sh
View File

@ -412,7 +412,12 @@ sub get_mysqladmin_options
$mysqladmin_found= 0 if (!length($mysqladmin));
$com = "$mysqladmin";
$tmp = " -u $opt_user";
$tmp.= defined($opt_password) ? " -p$opt_password" : "";
if (defined($opt_password)) {
my $pw= $opt_password;
# Protect single quotes in password
$pw =~ s/'/'"'"'/g;
$tmp.= " -p'$pw'";
}
$tmp.= $opt_tcp_ip ? " -h 127.0.0.1" : "";
for ($j = 0; defined($options[$j]); $j++)
{

14
sql/set_var.cc
View File

@ -1725,11 +1725,17 @@ Item *sys_var::item(THD *thd, enum_var_type var_type, LEX_STRING *base)
return new Item_int((int32) *(my_bool*) value_ptr(thd, var_type, base),1);
case SHOW_CHAR:
{
Item_string *tmp;
Item *tmp;
pthread_mutex_lock(&LOCK_global_system_variables);
char *str= (char*) value_ptr(thd, var_type, base);
tmp= new Item_string(str, strlen(str),
system_charset_info, DERIVATION_SYSCONST);
if (str)
tmp= new Item_string(str, strlen(str),
system_charset_info, DERIVATION_SYSCONST);
else
{
tmp= new Item_null();
tmp->collation.set(system_charset_info, DERIVATION_SYSCONST);
}
pthread_mutex_unlock(&LOCK_global_system_variables);
return tmp;
}
@ -2019,7 +2025,7 @@ byte *sys_var_character_set::value_ptr(THD *thd, enum_var_type type,
LEX_STRING *base)
{
CHARSET_INFO *cs= ci_ptr(thd,type)[0];
return cs ? (byte*) cs->csname : (byte*) "NULL";
return cs ? (byte*) cs->csname : (byte*) NULL;
}