17
17
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22
#include "drizzled/temporal.h"
23
#include "drizzled/error.h"
24
#include "drizzled/function/time/weekday.h"
20
#include <drizzled/server_includes.h>
22
#include <drizzled/function/time/weekday.h>
29
24
int64_t Item_func_weekday::val_int()
33
if (args[0]->is_null())
35
/* For NULL argument, we return a NULL result */
29
if (get_arg0_date(<ime, TIME_NO_ZERO_DATE))
40
/* Grab the first argument as a DateTime object */
42
Item_result arg0_result_type= args[0]->result_type();
44
switch (arg0_result_type)
48
* For doubles supplied, interpret the arg as a string,
49
* so intentionally fall-through here...
50
* This allows us to accept double parameters like
51
* 19971231235959.01 and interpret it the way MySQL does:
52
* as a TIMESTAMP-like thing with a microsecond component.
53
* Ugh, but need to keep backwards-compat.
57
char buff[DRIZZLE_MAX_LENGTH_DATETIME_AS_STRING];
58
String tmp(buff,sizeof(buff), &my_charset_utf8_bin);
59
String *res= args[0]->val_str(&tmp);
60
if (! temporal.from_string(res->c_ptr(), res->length()))
63
* Could not interpret the function argument as a temporal value,
64
* so throw an error and return 0
66
my_error(ER_INVALID_DATETIME_VALUE, MYF(0), res->c_ptr());
72
if (temporal.from_int64_t(args[0]->val_int()))
74
/* Intentionally fall-through on invalid conversion from integer */
78
* Could not interpret the function argument as a temporal value,
79
* so throw an error and return 0
82
char buff[DRIZZLE_MAX_LENGTH_DATETIME_AS_STRING];
83
String tmp(buff,sizeof(buff), &my_charset_utf8_bin);
86
res= args[0]->val_str(&tmp);
88
my_error(ER_INVALID_DATETIME_VALUE, MYF(0), res->c_ptr());
92
/* @TODO This ODBC thing is a complete hack. Fix it. */
93
bool sunday_first= odbc_type;
94
int64_t julian_day= julian_day_number_from_gregorian_date(temporal.years(), temporal.months(), temporal.days());
95
return (int64_t) day_of_week(julian_day, sunday_first) + test(odbc_type);
32
return (int64_t) calc_weekday(calc_daynr(ltime.year, ltime.month,
34
odbc_type) + test(odbc_type);
98
} /* namespace drizzled */