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These functions are now UCS2 compatible:

Browse source 
CURDATE()
FROM_DAYS()
CURTIME()
NOW()
SEC_TO_TIME()
FROM_UNIXTIME()
DATE_ADD_INTERVAL()
This commit is contained in:
bar@bar.mysql.r18.ru 2002-11-12 17:32:36 +04:00
parent 8a7acf8aa6
commit a3a5e9d0c6
2 changed files with 181 additions and 52 deletions
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82
sql/item_timefunc.cc
View file

@ -402,16 +402,16 @@ String *Item_date::val_str(String *str)
return (String*) 0;
if (!value) // zero daynr
{
str->copy("0000-00-00",10,my_charset_latin1);
str->copy("0000-00-00",10,my_charset_latin1,thd_charset());
return str;
}
if (str->alloc(11))
return &empty_string; /* purecov: inspected */
sprintf((char*) str->ptr(),"%04d-%02d-%02d",
char tmpbuff[11];
sprintf(tmpbuff,"%04d-%02d-%02d",
(int) (value/10000L) % 10000,
(int) (value/100)%100,
(int) (value%100));
str->length(10);
str->copy(tmpbuff,10,my_charset_latin1,thd_charset());
return str;
}
@ -448,7 +448,10 @@ void Item_func_curdate::fix_length_and_dec()
{
struct tm tm_tmp,*start;
time_t query_start=current_thd->query_start();
decimals=0; max_length=10;
set_charset(thd_charset());
decimals=0;
max_length=10*thd_charset()->mbmaxlen;
localtime_r(&query_start,&tm_tmp);
start=&tm_tmp;
value=(longlong) ((ulong) ((uint) start->tm_year+1900)*10000L+
@ -473,27 +476,48 @@ bool Item_func_curdate::get_date(TIME *res,
return 0;
}
String *Item_func_curtime::val_str(String *str)
{
str_value.set(buff,buff_length,thd_charset());
return &str_value;
}
void Item_func_curtime::fix_length_and_dec()
{
struct tm tm_tmp,*start;
time_t query_start=current_thd->query_start();
decimals=0; max_length=8;
CHARSET_INFO *cs=thd_charset();
decimals=0;
max_length=8*cs->mbmaxlen;
localtime_r(&query_start,&tm_tmp);
start=&tm_tmp;
set_charset(cs);
value=(longlong) ((ulong) ((uint) start->tm_hour)*10000L+
(ulong) (((uint) start->tm_min)*100L+
(uint) start->tm_sec));
buff_length= my_sprintf(buff, (buff,"%02d:%02d:%02d",
buff_length=cs->snprintf(cs,buff,sizeof(buff),"%02d:%02d:%02d",
(int) start->tm_hour,
(int) start->tm_min,
(int) start->tm_sec));
(int) start->tm_sec);
}
String *Item_func_now::val_str(String *str)
{
str_value.set(buff,buff_length,thd_charset());
return &str_value;
}
void Item_func_now::fix_length_and_dec()
{
struct tm tm_tmp,*start;
time_t query_start=current_thd->query_start();
decimals=0; max_length=19;
CHARSET_INFO *cs=thd_charset();
decimals=0;
max_length=19*cs->mbmaxlen;
set_charset(cs);
localtime_r(&query_start,&tm_tmp);
start=&tm_tmp;
value=((longlong) ((ulong) ((uint) start->tm_year+1900)*10000L+
@ -502,13 +526,14 @@ void Item_func_now::fix_length_and_dec()
(longlong) ((ulong) ((uint) start->tm_hour)*10000L+
(ulong) (((uint) start->tm_min)*100L+
(uint) start->tm_sec)));
buff_length= (uint) my_sprintf(buff, (buff,"%04d-%02d-%02d %02d:%02d:%02d",
buff_length= (uint) cs->snprintf(cs,buff, sizeof(buff),"%04d-%02d-%02d %02d:%02d:%02d",
((int) (start->tm_year+1900)) % 10000,
(int) start->tm_mon+1,
(int) start->tm_mday,
(int) start->tm_hour,
(int) start->tm_min,
(int) start->tm_sec));
(int) start->tm_sec);
/* For getdate */
ltime.year= start->tm_year+1900;
ltime.month= start->tm_mon+1;
@ -539,7 +564,7 @@ int Item_func_now::save_in_field(Field *to)
String *Item_func_sec_to_time::val_str(String *str)
{
char buff[23];
char buff[23*2];
const char *sign="";
longlong seconds=(longlong) args[0]->val_int();
ulong length;
@ -553,7 +578,7 @@ String *Item_func_sec_to_time::val_str(String *str)
uint sec= (uint) ((ulonglong) seconds % 3600);
length= my_sprintf(buff,(buff,"%s%02lu:%02u:%02u",sign,(long) (seconds/3600),
sec/60, sec % 60));
str->copy(buff, length, my_charset_latin1);
str->copy(buff, length, my_charset_latin1, thd_charset());
return str;
}
@ -897,20 +922,26 @@ String *Item_func_from_unixtime::val_str(String *str)
{
struct tm tm_tmp,*start;
time_t tmp=(time_t) args[0]->val_int();
uint32 l;
CHARSET_INFO *cs=thd_charset();
if ((null_value=args[0]->null_value))
return 0;
localtime_r(&tmp,&tm_tmp);
start=&tm_tmp;
if (str->alloc(20))
l=20*cs->mbmaxlen+32;
if (str->alloc(l))
return str; /* purecov: inspected */
sprintf((char*) str->ptr(),"%04d-%02d-%02d %02d:%02d:%02d",
l=cs->snprintf(cs,(char*) str->ptr(),l,"%04d-%02d-%02d %02d:%02d:%02d",
(int) start->tm_year+1900,
(int) start->tm_mon+1,
(int) start->tm_mday,
(int) start->tm_hour,
(int) start->tm_min,
(int) start->tm_sec);
str->length(19);
str->length(l);
str->set_charset(cs);
return str;
}
@ -1041,26 +1072,31 @@ bool Item_date_add_interval::get_date(TIME *ltime, bool fuzzy_date)
String *Item_date_add_interval::val_str(String *str)
{
TIME ltime;
CHARSET_INFO *cs=thd_charset();
uint32 l;
if (Item_date_add_interval::get_date(&ltime,0))
return 0;
if (ltime.time_type == TIMESTAMP_DATE)
{
if (str->alloc(11))
l=11*cs->mbmaxlen+32;
if (str->alloc(l))
goto null_date;
sprintf((char*) str->ptr(),"%04d-%02d-%02d",
l=cs->snprintf(cs,(char*) str->ptr(),l,"%04d-%02d-%02d",
ltime.year,ltime.month,ltime.day);
str->length(10);
str->length(l);
}
else
{
if (str->alloc(20))
l=20*cs->mbmaxlen+32;
if (str->alloc(l))
goto null_date;
sprintf((char*) str->ptr(),"%04d-%02d-%02d %02d:%02d:%02d",
l=cs->snprintf(cs,(char*) str->ptr(),l,"%04d-%02d-%02d %02d:%02d:%02d",
ltime.year,ltime.month,ltime.day,
ltime.hour,ltime.minute,ltime.second);
str->length(19);
str->length(l);
}
str->set_charset(cs);
return str;
null_date:

151
sql/item_timefunc.h
View file

@ -27,7 +27,10 @@ public:
Item_func_period_add(Item *a,Item *b) :Item_int_func(a,b) {}
longlong val_int();
const char *func_name() const { return "period_add"; }
void fix_length_and_dec() { max_length=6; }
void fix_length_and_dec()
{
max_length=6*thd_charset()->mbmaxlen;
}
};
@ -37,7 +40,11 @@ public:
Item_func_period_diff(Item *a,Item *b) :Item_int_func(a,b) {}
longlong val_int();
const char *func_name() const { return "period_diff"; }
void fix_length_and_dec() { decimals=0; max_length=6; }
void fix_length_and_dec()
{
decimals=0;
max_length=6*thd_charset()->mbmaxlen;
}
};
@ -47,7 +54,12 @@ public:
Item_func_to_days(Item *a) :Item_int_func(a) {}
longlong val_int();
const char *func_name() const { return "to_days"; }
void fix_length_and_dec() { decimals=0; max_length=6; maybe_null=1; }
void fix_length_and_dec()
{
decimals=0;
max_length=6*thd_charset()->mbmaxlen;
maybe_null=1;
}
};
@ -57,7 +69,12 @@ public:
Item_func_dayofmonth(Item *a) :Item_int_func(a) {}
longlong val_int();
const char *func_name() const { return "dayofmonth"; }
void fix_length_and_dec() { decimals=0; max_length=2; maybe_null=1; }
void fix_length_and_dec()
{
decimals=0;
max_length=2*thd_charset()->mbmaxlen;
maybe_null=1;
}
};
@ -74,7 +91,13 @@ public:
}
const char *func_name() const { return "month"; }
enum Item_result result_type () const { return INT_RESULT; }
void fix_length_and_dec() { decimals=0; max_length=2; maybe_null=1; }
void fix_length_and_dec()
{
set_charset(thd_charset());
decimals=0;
max_length=2*thd_charset()->mbmaxlen;
maybe_null=1;
}
};
@ -86,8 +109,9 @@ public:
String *val_str(String *str);
enum Item_result result_type () const { return STRING_RESULT; }
void fix_length_and_dec()
{
decimals=0;
{
set_charset(thd_charset());
decimals=0;
max_length=10*thd_charset()->mbmaxlen;
maybe_null=1;
}
@ -100,7 +124,12 @@ public:
Item_func_dayofyear(Item *a) :Item_int_func(a) {}
longlong val_int();
const char *func_name() const { return "dayofyear"; }
void fix_length_and_dec() { decimals=0; max_length=3; maybe_null=1; }
void fix_length_and_dec()
{
decimals=0;
max_length=3*thd_charset()->mbmaxlen;
maybe_null=1;
}
};
@ -110,7 +139,12 @@ public:
Item_func_hour(Item *a) :Item_int_func(a) {}
longlong val_int();
const char *func_name() const { return "hour"; }
void fix_length_and_dec() { decimals=0; max_length=2; maybe_null=1; }
void fix_length_and_dec()
{
decimals=0;
max_length=2*thd_charset()->mbmaxlen;
maybe_null=1;
}
};
@ -120,7 +154,12 @@ public:
Item_func_minute(Item *a) :Item_int_func(a) {}
longlong val_int();
const char *func_name() const { return "minute"; }
void fix_length_and_dec() { decimals=0; max_length=2; maybe_null=1; }
void fix_length_and_dec()
{
decimals=0;
max_length=2*thd_charset()->mbmaxlen;
maybe_null=1;
}
};
@ -130,7 +169,12 @@ public:
Item_func_quarter(Item *a) :Item_int_func(a) {}
longlong val_int();
const char *func_name() const { return "quarter"; }
void fix_length_and_dec() { decimals=0; max_length=1; maybe_null=1; }
void fix_length_and_dec()
{
decimals=0;
max_length=1*thd_charset()->mbmaxlen;
maybe_null=1;
}
};
@ -140,7 +184,12 @@ public:
Item_func_second(Item *a) :Item_int_func(a) {}
longlong val_int();
const char *func_name() const { return "second"; }
void fix_length_and_dec() { decimals=0; max_length=2; maybe_null=1; }
void fix_length_and_dec()
{
decimals=0;
max_length=2*thd_charset()->mbmaxlen;
maybe_null=1;
}
};
@ -150,7 +199,12 @@ public:
Item_func_week(Item *a,Item *b) :Item_int_func(a,b) {}
longlong val_int();
const char *func_name() const { return "week"; }
void fix_length_and_dec() { decimals=0; max_length=2; maybe_null=1; }
void fix_length_and_dec()
{
decimals=0;
max_length=2*thd_charset()->mbmaxlen;
maybe_null=1;
}
};
class Item_func_yearweek :public Item_int_func
@ -159,7 +213,12 @@ public:
Item_func_yearweek(Item *a,Item *b) :Item_int_func(a,b) {}
longlong val_int();
const char *func_name() const { return "yearweek"; }
void fix_length_and_dec() { decimals=0; max_length=6; maybe_null=1; }
void fix_length_and_dec()
{
decimals=0;
max_length=6*thd_charset()->mbmaxlen;
maybe_null=1;
}
};
@ -169,7 +228,12 @@ public:
Item_func_year(Item *a) :Item_int_func(a) {}
longlong val_int();
const char *func_name() const { return "year"; }
void fix_length_and_dec() { decimals=0; max_length=4; maybe_null=1; }
void fix_length_and_dec()
{
decimals=0;
max_length=4*thd_charset()->mbmaxlen;
maybe_null=1;
}
};
@ -181,13 +245,20 @@ public:
:Item_func(a), odbc_type(type_arg) {}
longlong val_int();
double val() { return (double) val_int(); }
String *val_str(String *str) {
String *val_str(String *str)
{
str->set(val_int(), thd_charset());
return null_value ? 0 : str;
}
const char *func_name() const { return "weekday"; }
enum Item_result result_type () const { return INT_RESULT; }
void fix_length_and_dec() { decimals=0; max_length=1; maybe_null=1; }
void fix_length_and_dec()
{
set_charset(thd_charset());
decimals=0;
max_length=1*thd_charset()->mbmaxlen;
maybe_null=1;
}
};
class Item_func_dayname :public Item_func_weekday
@ -199,6 +270,7 @@ class Item_func_dayname :public Item_func_weekday
enum Item_result result_type () const { return STRING_RESULT; }
void fix_length_and_dec()
{
set_charset(thd_charset());
decimals=0;
max_length=9*thd_charset()->mbmaxlen;
maybe_null=1;
@ -216,7 +288,8 @@ public:
const char *func_name() const { return "timestamp"; }
void fix_length_and_dec()
{
decimals=0; max_length=10;
decimals=0;
max_length=10*thd_charset()->mbmaxlen;
}
};
@ -229,7 +302,8 @@ public:
const char *func_name() const { return "time_to_sec"; }
void fix_length_and_dec()
{
decimals=0; max_length=10;
decimals=0;
max_length=10*thd_charset()->mbmaxlen;
}
};
@ -245,7 +319,12 @@ public:
String *val_str(String *str);
double val() { return (double) val_int(); }
const char *func_name() const { return "date"; }
void fix_length_and_dec() { decimals=0; max_length=10; }
void fix_length_and_dec()
{
set_charset(thd_charset());
decimals=0;
max_length=10*thd_charset()->mbmaxlen;
}
int save_in_field(Field *to);
void make_field(Send_field *tmp_field)
{
@ -279,7 +358,7 @@ public:
class Item_func_curtime :public Item_func
{
longlong value;
char buff[9];
char buff[9*2+32];
uint buff_length;
public:
Item_func_curtime() :Item_func() {}
@ -287,8 +366,7 @@ public:
enum Item_result result_type () const { return STRING_RESULT; }
double val() { return (double) value; }
longlong val_int() { return value; }
String *val_str(String *str)
{ str_value.set(buff,buff_length,default_charset_info); return &str_value; }
String *val_str(String *str);
const char *func_name() const { return "curtime"; }
void fix_length_and_dec();
void make_field(Send_field *tmp_field)
@ -319,7 +397,7 @@ public:
class Item_func_now :public Item_date_func
{
longlong value;
char buff[20];
char buff[20*2+32]; // +32 to make my_snprintf_{8bit|ucs2} happy
uint buff_length;
TIME ltime;
public:
@ -329,8 +407,7 @@ public:
double val() { return (double) value; }
longlong val_int() { return value; }
int save_in_field(Field *to);
String *val_str(String *str)
{ str_value.set(buff,buff_length,default_charset_info); return &str_value; }
String *val_str(String *str);
const char *func_name() const { return "now"; }
void fix_length_and_dec();
bool get_date(TIME *res,bool fuzzy_date);
@ -369,7 +446,12 @@ class Item_func_from_unixtime :public Item_date_func
longlong val_int();
String *val_str(String *str);
const char *func_name() const { return "from_unixtime"; }
void fix_length_and_dec() { decimals=0; max_length=19; }
void fix_length_and_dec()
{
set_charset(thd_charset());
decimals=0;
max_length=19*thd_charset()->mbmaxlen;
}
// enum Item_result result_type () const { return STRING_RESULT; }
bool get_date(TIME *res,bool fuzzy_date);
};
@ -382,7 +464,12 @@ public:
double val() { return (double) Item_func_sec_to_time::val_int(); }
longlong val_int();
String *val_str(String *);
void fix_length_and_dec() { maybe_null=1; max_length=13; }
void fix_length_and_dec()
{
set_charset(thd_charset());
maybe_null=1;
max_length=13*thd_charset()->mbmaxlen;
}
const char *func_name() const { return "sec_to_time"; }
void make_field(Send_field *tmp_field)
{
@ -414,7 +501,13 @@ public:
:Item_date_func(a,b),int_type(type_arg), date_sub_interval(neg_arg) {}
String *val_str(String *);
const char *func_name() const { return "date_add_interval"; }
void fix_length_and_dec() { maybe_null=1; max_length=19; value.alloc(32);}
void fix_length_and_dec()
{
set_charset(thd_charset());
maybe_null=1;
max_length=19*thd_charset()->mbmaxlen;
value.alloc(32);
}
double val() { return (double) val_int(); }
longlong val_int();
bool get_date(TIME *res,bool fuzzy_date);