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Merge commit

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gluh@gluh.mysql.r18.ru
2003-10-20 13:45:28 +05:00
parent 982e77be63 62b0b8b800
commit 4bed4abb62
21 changed files with 1650 additions and 493 deletions
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50
sql/set_var.h
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@ -49,6 +49,8 @@ public:
const char *name;
sys_after_update_func after_update;
sys_var()
{}
sys_var(const char *name_arg) :name(name_arg),after_update(0)
{}
sys_var(const char *name_arg,sys_after_update_func func)
@ -188,6 +190,9 @@ public:
class sys_var_thd :public sys_var
{
public:
sys_var_thd()
:sys_var()
{}
sys_var_thd(const char *name_arg)
:sys_var(name_arg)
{}
@ -555,6 +560,51 @@ public:
};
class sys_var_datetime_format :public sys_var_thd
{
public:
enum datetime_format_types format_type;
DATETIME_FORMAT datetime_format;
sys_var_datetime_format(): sys_var_thd()
{}
void clean()
{
my_free(datetime_format.format, MYF(MY_ALLOW_ZERO_PTR));
datetime_format.format=0;
}
/*
It's for copying of global_system_variables structure
in THD constructor.
*/
inline sys_var_datetime_format& operator= (sys_var_datetime_format& s)
{
if (&s != this)
{
name= s.name; name_length= s.name_length;
datetime_format= s.datetime_format;
datetime_format.format= (my_strdup_with_length
(s.datetime_format.format,
s.datetime_format.
format_length, MYF(0)));
format_type= s.format_type;
}
return *this;
}
SHOW_TYPE type() { return SHOW_CHAR; }
bool check_update_type(Item_result type)
{
return type != STRING_RESULT; /* Only accept strings */
}
bool check_default(enum_var_type type) { return 0; }
bool update(THD *thd, set_var *var);
byte *value_ptr(THD *thd, enum_var_type type, LEX_STRING *base);
void set_default(THD *thd, enum_var_type type);
};
/* Variable that you can only read from */
class sys_var_readonly: public sys_var