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Internal commit

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2003-06-23 12:56:44 +05:00
parent 4beedd513e
commit f8e232f95e
12 changed files with 1067 additions and 34 deletions
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161
sql/item_timefunc.h
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@ -478,9 +478,10 @@ public:
enum interval_type
{
INTERVAL_YEAR, INTERVAL_MONTH, INTERVAL_DAY, INTERVAL_HOUR, INTERVAL_MINUTE,
INTERVAL_SECOND, INTERVAL_YEAR_MONTH, INTERVAL_DAY_HOUR, INTERVAL_DAY_MINUTE,
INTERVAL_DAY_SECOND, INTERVAL_HOUR_MINUTE, INTERVAL_HOUR_SECOND,
INTERVAL_MINUTE_SECOND
INTERVAL_SECOND, INTERVAL_MICROSECOND ,INTERVAL_YEAR_MONTH, INTERVAL_DAY_HOUR,
INTERVAL_DAY_MINUTE, INTERVAL_DAY_SECOND, INTERVAL_HOUR_MINUTE,
INTERVAL_HOUR_SECOND, INTERVAL_MINUTE_SECOND, INTERVAL_DAY_MICROSECOND,
INTERVAL_HOUR_MICROSECOND, INTERVAL_MINUTE_MICROSECOND, INTERVAL_SECOND_MICROSECOND
};
@ -592,3 +593,157 @@ public:
return (new Field_datetime(maybe_null, name, t_arg, default_charset()));
}
};
class Item_func_makedate :public Item_str_func
{
public:
Item_func_makedate(Item *a,Item *b) :Item_str_func(a,b) {}
String *val_str(String *str);
const char *func_name() const { return "makedate"; }
enum_field_types field_type() const { return MYSQL_TYPE_DATE; }
void fix_length_and_dec()
{
decimals=0;
max_length=8*my_charset_bin.mbmaxlen;
}
Field *tmp_table_field() { return result_field; }
Field *tmp_table_field(TABLE *t_arg)
{
return (new Field_date(maybe_null, name, t_arg, &my_charset_bin));
}
};
class Item_func_add_time :public Item_str_func
{
int sign;
enum_field_types cached_field_type;
public:
Item_func_add_time(Item *a, Item *b, bool neg_arg)
:Item_str_func(a, b) { sign= neg_arg ? -1 : 1; }
String *val_str(String *str);
const char *func_name() const { return "addtime"; }
enum_field_types field_type() const { return cached_field_type; }
void fix_length_and_dec();
Field *tmp_table_field() { return result_field; }
Field *tmp_table_field(TABLE *t_arg)
{
if (cached_field_type == MYSQL_TYPE_TIME)
return (new Field_time(maybe_null, name, t_arg, &my_charset_bin));
else if (cached_field_type == MYSQL_TYPE_DATETIME)
return (new Field_datetime(maybe_null, name, t_arg, &my_charset_bin));
return (new Field_string(max_length, maybe_null, name, t_arg, &my_charset_bin));
}
};
class Item_func_timediff :public Item_str_func
{
public:
Item_func_timediff(Item *a, Item *b)
:Item_str_func(a, b) {}
String *val_str(String *str);
const char *func_name() const { return "timediff"; }
enum_field_types field_type() const { return MYSQL_TYPE_TIME; }
void fix_length_and_dec()
{
decimals=0;
max_length=17*my_charset_bin.mbmaxlen;
}
Field *tmp_table_field() { return result_field; }
Field *tmp_table_field(TABLE *t_arg)
{
return (new Field_time(maybe_null, name, t_arg, &my_charset_bin));
}
};
class Item_func_maketime :public Item_str_func
{
public:
Item_func_maketime(Item *a, Item *b, Item *c)
:Item_str_func(a, b ,c) {}
String *val_str(String *str);
const char *func_name() const { return "maketime"; }
enum_field_types field_type() const { return MYSQL_TYPE_TIME; }
void fix_length_and_dec()
{
decimals=0;
max_length=8*my_charset_bin.mbmaxlen;
}
Field *tmp_table_field() { return result_field; }
Field *tmp_table_field(TABLE *t_arg)
{
return (new Field_time(maybe_null, name, t_arg, &my_charset_bin));
}
};
class Item_func_timestamp :public Item_str_func
{
public:
Item_func_timestamp(Item *a, Item *b) :Item_str_func(a, b) {}
String *val_str(String *str);
const char *func_name() const { return "timestamp"; }
enum_field_types field_type() const { return MYSQL_TYPE_DATETIME; }
void fix_length_and_dec()
{
decimals=0;
max_length=26*my_charset_bin.mbmaxlen;
}
Field *tmp_table_field() { return result_field; }
Field *tmp_table_field(TABLE *t_arg)
{
return (new Field_datetime(maybe_null, name, t_arg, &my_charset_bin));
}
};
class Item_func_date :public Item_str_func
{
public:
Item_func_date(Item *a)
:Item_str_func(a) {}
String *val_str(String *str);
const char *func_name() const { return "date"; }
enum_field_types field_type() const { return MYSQL_TYPE_DATE; }
void fix_length_and_dec()
{
decimals=0;
max_length=10*my_charset_bin.mbmaxlen;
}
Field *tmp_table_field() { return result_field; }
Field *tmp_table_field(TABLE *t_arg)
{
return (new Field_date(maybe_null, name, t_arg, &my_charset_bin));
}
};
class Item_func_time :public Item_str_func
{
public:
Item_func_time(Item *a)
:Item_str_func(a) {}
String *val_str(String *str);
const char *func_name() const { return "time"; }
enum_field_types field_type() const { return MYSQL_TYPE_TIME; }
void fix_length_and_dec()
{
decimals=0;
max_length=15*my_charset_bin.mbmaxlen;
}
Field *tmp_table_field() { return result_field; }
Field *tmp_table_field(TABLE *t_arg)
{
return (new Field_time(maybe_null, name, t_arg, &my_charset_bin));
}
};
class Item_func_microsecond :public Item_int_func
{
public:
Item_func_microsecond(Item *a) :Item_int_func(a) {}
longlong val_int();
const char *func_name() const { return "microsecond"; }
void fix_length_and_dec()
{
decimals=0;
maybe_null=1;
}
};