2003-07-02 09:57:36 +02:00
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#include "postgres_fe.h"
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2003-03-20 16:56:50 +01:00
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#include <time.h>
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#include <float.h>
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2003-07-02 09:57:36 +02:00
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#include <math.h>
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2003-03-20 16:56:50 +01:00
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#ifdef __FAST_MATH__
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#error -ffast-math is known to break this code
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#endif
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#include "extern.h"
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2003-06-25 19:55:50 +02:00
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#include "dt.h"
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2003-03-20 16:56:50 +01:00
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#include "pgtypes_timestamp.h"
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2003-04-01 16:37:25 +02:00
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#include "pgtypes_date.h"
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2003-03-21 15:17:47 +01:00
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#include "datetime.h"
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2003-03-20 16:56:50 +01:00
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2003-08-04 02:43:34 +02:00
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int PGTYPEStimestamp_defmt_scan(char **, char *, Timestamp *, int *, int *, int *,
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int *, int *, int *, int *);
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2003-08-01 10:21:04 +02:00
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2003-03-20 16:56:50 +01:00
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#ifdef HAVE_INT64_TIMESTAMP
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static int64
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time2t(const int hour, const int min, const int sec, const fsec_t fsec)
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{
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2003-04-01 16:37:25 +02:00
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return ((((((hour * 60) + min) * 60) + sec) * INT64CONST(1000000)) + fsec);
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} /* time2t() */
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2003-03-20 16:56:50 +01:00
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#else
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static double
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time2t(const int hour, const int min, const int sec, const fsec_t fsec)
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{
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2003-04-01 16:37:25 +02:00
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return ((((hour * 60) + min) * 60) + sec + fsec);
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} /* time2t() */
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2003-03-20 16:56:50 +01:00
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#endif
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static Timestamp
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dt2local(Timestamp dt, int tz)
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{
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#ifdef HAVE_INT64_TIMESTAMP
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2003-04-01 16:37:25 +02:00
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dt -= (tz * INT64CONST(1000000));
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2003-03-20 16:56:50 +01:00
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#else
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2003-04-01 16:37:25 +02:00
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dt -= tz;
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dt = JROUND(dt);
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2003-03-20 16:56:50 +01:00
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#endif
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2003-04-01 16:37:25 +02:00
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return dt;
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} /* dt2local() */
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2003-03-20 16:56:50 +01:00
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/* tm2timestamp()
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* Convert a tm structure to a timestamp data type.
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* Note that year is _not_ 1900-based, but is an explicit full value.
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* Also, month is one-based, _not_ zero-based.
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2003-07-04 20:21:14 +02:00
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*
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* Returns -1 on failure (overflow).
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2003-03-20 16:56:50 +01:00
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*/
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2003-08-01 10:21:04 +02:00
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int
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2003-03-20 16:56:50 +01:00
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tm2timestamp(struct tm * tm, fsec_t fsec, int *tzp, Timestamp *result)
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{
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#ifdef HAVE_INT64_TIMESTAMP
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int date;
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int64 time;
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#else
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double date,
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time;
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#endif
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/* Julian day routines are not correct for negative Julian days */
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if (!IS_VALID_JULIAN(tm->tm_year, tm->tm_mon, tm->tm_mday))
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return -1;
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date = date2j(tm->tm_year, tm->tm_mon, tm->tm_mday) - date2j(2000, 1, 1);
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time = time2t(tm->tm_hour, tm->tm_min, tm->tm_sec, fsec);
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#ifdef HAVE_INT64_TIMESTAMP
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2003-07-04 20:21:14 +02:00
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*result = (date * INT64CONST(86400000000)) + time;
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/* check for major overflow */
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if ((*result - time) / INT64CONST(86400000000) != date)
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return -1;
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/* check for just-barely overflow (okay except time-of-day wraps) */
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if ((*result < 0) ? (date >= 0) : (date < 0))
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return -1;
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2003-03-20 16:56:50 +01:00
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#else
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*result = ((date * 86400) + time);
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#endif
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if (tzp != NULL)
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*result = dt2local(*result, -(*tzp));
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return 0;
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} /* tm2timestamp() */
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static Timestamp
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SetEpochTimestamp(void)
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{
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2003-04-01 16:37:25 +02:00
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Timestamp dt;
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2003-08-04 02:43:34 +02:00
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struct tm tt,
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*tm = &tt;
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2003-03-20 16:56:50 +01:00
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GetEpochTime(tm);
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tm2timestamp(tm, 0, NULL, &dt);
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2003-04-01 16:37:25 +02:00
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return dt;
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} /* SetEpochTimestamp() */
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2003-03-20 16:56:50 +01:00
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static void
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dt2time(Timestamp jd, int *hour, int *min, int *sec, fsec_t *fsec)
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{
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#ifdef HAVE_INT64_TIMESTAMP
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2003-04-01 16:37:25 +02:00
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int64 time;
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2003-08-04 02:43:34 +02:00
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2003-03-20 16:56:50 +01:00
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#else
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2003-04-01 16:37:25 +02:00
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double time;
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2003-03-20 16:56:50 +01:00
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#endif
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2003-04-01 16:37:25 +02:00
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time = jd;
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2003-03-20 16:56:50 +01:00
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#ifdef HAVE_INT64_TIMESTAMP
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2003-04-01 16:37:25 +02:00
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*hour = (time / INT64CONST(3600000000));
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time -= ((*hour) * INT64CONST(3600000000));
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*min = (time / INT64CONST(60000000));
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time -= ((*min) * INT64CONST(60000000));
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*sec = (time / INT64CONST(1000000));
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*fsec = (time - (*sec * INT64CONST(1000000)));
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*sec = (time / INT64CONST(1000000));
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*fsec = (time - (*sec * INT64CONST(1000000)));
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2003-03-20 16:56:50 +01:00
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#else
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2003-04-01 16:37:25 +02:00
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*hour = (time / 3600);
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time -= ((*hour) * 3600);
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*min = (time / 60);
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time -= ((*min) * 60);
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*sec = time;
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*fsec = JROUND(time - *sec);
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2003-03-20 16:56:50 +01:00
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#endif
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2003-04-01 16:37:25 +02:00
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return;
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} /* dt2time() */
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2003-03-20 16:56:50 +01:00
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/* timestamp2tm()
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* Convert timestamp data type to POSIX time structure.
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* Note that year is _not_ 1900-based, but is an explicit full value.
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* Also, month is one-based, _not_ zero-based.
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* Returns:
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* 0 on success
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* -1 on out of range
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*
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* For dates within the system-supported time_t range, convert to the
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* local time zone. If out of this range, leave as GMT. - tgl 97/05/27
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*/
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static int
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timestamp2tm(Timestamp dt, int *tzp, struct tm * tm, fsec_t *fsec, char **tzn)
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{
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#ifdef HAVE_INT64_TIMESTAMP
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2003-08-04 02:43:34 +02:00
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int date,
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date0;
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2003-03-20 16:56:50 +01:00
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int64 time;
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#else
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double date,
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date0;
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double time;
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#endif
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time_t utime;
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#if defined(HAVE_TM_ZONE) || defined(HAVE_INT_TIMEZONE)
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struct tm *tx;
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#endif
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date0 = date2j(2000, 1, 1);
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time = dt;
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#ifdef HAVE_INT64_TIMESTAMP
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TMODULO(time, date, INT64CONST(86400000000));
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if (time < INT64CONST(0))
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{
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time += INT64CONST(86400000000);
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date -= 1;
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}
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#else
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TMODULO(time, date, 86400e0);
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if (time < 0)
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{
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time += 86400;
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date -= 1;
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}
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#endif
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/* Julian day routine does not work for negative Julian days */
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if (date < -date0)
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return -1;
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/* add offset to go from J2000 back to standard Julian date */
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date += date0;
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j2date((int) date, &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
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dt2time(time, &tm->tm_hour, &tm->tm_min, &tm->tm_sec, fsec);
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if (tzp != NULL)
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{
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/*
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* Does this fall within the capabilities of the localtime()
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* interface? Then use this to rotate to the local time zone.
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*/
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if (IS_VALID_UTIME(tm->tm_year, tm->tm_mon, tm->tm_mday))
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{
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#ifdef HAVE_INT64_TIMESTAMP
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utime = ((dt / INT64CONST(1000000))
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+ ((date0 - date2j(1970, 1, 1)) * INT64CONST(86400)));
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#else
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utime = (dt + ((date0 - date2j(1970, 1, 1)) * 86400));
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#endif
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#if defined(HAVE_TM_ZONE) || defined(HAVE_INT_TIMEZONE)
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tx = localtime(&utime);
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tm->tm_year = tx->tm_year + 1900;
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tm->tm_mon = tx->tm_mon + 1;
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tm->tm_mday = tx->tm_mday;
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tm->tm_hour = tx->tm_hour;
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tm->tm_min = tx->tm_min;
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tm->tm_isdst = tx->tm_isdst;
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#if defined(HAVE_TM_ZONE)
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tm->tm_gmtoff = tx->tm_gmtoff;
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tm->tm_zone = tx->tm_zone;
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*tzp = -(tm->tm_gmtoff); /* tm_gmtoff is Sun/DEC-ism */
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if (tzn != NULL)
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*tzn = (char *) tm->tm_zone;
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#elif defined(HAVE_INT_TIMEZONE)
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*tzp = ((tm->tm_isdst > 0) ? (TIMEZONE_GLOBAL - 3600) : TIMEZONE_GLOBAL);
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if (tzn != NULL)
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*tzn = tzname[(tm->tm_isdst > 0)];
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#endif
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#else /* not (HAVE_TM_ZONE || HAVE_INT_TIMEZONE) */
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*tzp = 0;
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/* Mark this as *no* time zone available */
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tm->tm_isdst = -1;
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if (tzn != NULL)
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*tzn = NULL;
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#endif
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dt = dt2local(dt, *tzp);
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}
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else
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{
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*tzp = 0;
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/* Mark this as *no* time zone available */
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tm->tm_isdst = -1;
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if (tzn != NULL)
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*tzn = NULL;
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}
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}
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else
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{
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tm->tm_isdst = -1;
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if (tzn != NULL)
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*tzn = NULL;
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}
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return 0;
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} /* timestamp2tm() */
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/* EncodeSpecialTimestamp()
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2003-08-04 02:43:34 +02:00
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* * Convert reserved timestamp data type to string.
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* */
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2003-03-20 16:56:50 +01:00
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static int
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EncodeSpecialTimestamp(Timestamp dt, char *str)
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{
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2003-04-01 16:37:25 +02:00
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if (TIMESTAMP_IS_NOBEGIN(dt))
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strcpy(str, EARLY);
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else if (TIMESTAMP_IS_NOEND(dt))
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strcpy(str, LATE);
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else
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return FALSE;
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2003-03-20 16:56:50 +01:00
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2003-04-01 16:37:25 +02:00
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return TRUE;
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} /* EncodeSpecialTimestamp() */
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2003-03-20 16:56:50 +01:00
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Timestamp
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2003-04-01 16:37:25 +02:00
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PGTYPEStimestamp_from_asc(char *str, char **endptr)
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2003-03-20 16:56:50 +01:00
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{
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Timestamp result;
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2003-08-04 02:43:34 +02:00
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2003-03-20 16:56:50 +01:00
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#ifdef HAVE_INT64_TIMESTAMP
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int64 noresult = 0;
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2003-08-04 02:43:34 +02:00
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2003-03-20 16:56:50 +01:00
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#else
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double noresult = 0.0;
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#endif
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fsec_t fsec;
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2003-08-04 02:43:34 +02:00
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struct tm tt,
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*tm = &tt;
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int tz;
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int dtype;
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int nf;
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char *field[MAXDATEFIELDS];
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int ftype[MAXDATEFIELDS];
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2003-03-20 16:56:50 +01:00
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char lowstr[MAXDATELEN + MAXDATEFIELDS];
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2003-08-04 02:43:34 +02:00
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char *realptr;
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char **ptr = (endptr != NULL) ? endptr : &realptr;
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2003-03-20 16:56:50 +01:00
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errno = 0;
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if (strlen(str) >= sizeof(lowstr))
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{
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2003-03-30 13:48:19 +02:00
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errno = PGTYPES_TS_BAD_TIMESTAMP;
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2003-03-20 16:56:50 +01:00
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return (noresult);
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}
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if ((ParseDateTime(str, lowstr, field, ftype, MAXDATEFIELDS, &nf, ptr) != 0)
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2003-08-04 02:43:34 +02:00
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|| (DecodeDateTime(field, ftype, nf, &dtype, tm, &fsec, &tz, 0) != 0))
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2003-03-20 16:56:50 +01:00
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{
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2003-08-04 02:43:34 +02:00
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errno = PGTYPES_TS_BAD_TIMESTAMP;
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return (noresult);
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}
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2003-03-20 16:56:50 +01:00
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switch (dtype)
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{
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case DTK_DATE:
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if (tm2timestamp(tm, fsec, NULL, &result) != 0)
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{
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2003-03-30 13:48:19 +02:00
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errno = PGTYPES_TS_BAD_TIMESTAMP;
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2003-04-01 16:37:25 +02:00
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return (noresult);
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2003-03-20 16:56:50 +01:00
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}
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break;
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case DTK_EPOCH:
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result = SetEpochTimestamp();
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break;
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case DTK_LATE:
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TIMESTAMP_NOEND(result);
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break;
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case DTK_EARLY:
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TIMESTAMP_NOBEGIN(result);
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break;
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|
|
|
|
|
|
case DTK_INVALID:
|
2003-03-30 13:48:19 +02:00
|
|
|
errno = PGTYPES_TS_BAD_TIMESTAMP;
|
2003-03-20 16:56:50 +01:00
|
|
|
return (noresult);
|
|
|
|
|
|
|
|
default:
|
2003-03-30 13:48:19 +02:00
|
|
|
errno = PGTYPES_TS_BAD_TIMESTAMP;
|
2003-03-20 16:56:50 +01:00
|
|
|
return (noresult);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* AdjustTimestampForTypmod(&result, typmod); */
|
|
|
|
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
char *
|
2003-04-01 16:37:25 +02:00
|
|
|
PGTYPEStimestamp_to_asc(Timestamp tstamp)
|
2003-03-20 16:56:50 +01:00
|
|
|
{
|
2003-08-04 02:43:34 +02:00
|
|
|
struct tm tt,
|
|
|
|
*tm = &tt;
|
2003-04-01 16:37:25 +02:00
|
|
|
char buf[MAXDATELEN + 1];
|
2003-08-04 02:43:34 +02:00
|
|
|
char *tzn = NULL;
|
2003-04-01 16:37:25 +02:00
|
|
|
fsec_t fsec;
|
2003-08-04 02:43:34 +02:00
|
|
|
int DateStyle = 1; /* this defaults to ISO_DATES, shall we
|
|
|
|
* make it an option? */
|
2003-03-20 16:56:50 +01:00
|
|
|
|
|
|
|
if (TIMESTAMP_NOT_FINITE(tstamp))
|
2003-04-01 16:37:25 +02:00
|
|
|
EncodeSpecialTimestamp(tstamp, buf);
|
|
|
|
else if (timestamp2tm(tstamp, NULL, tm, &fsec, NULL) == 0)
|
|
|
|
EncodeDateTime(tm, fsec, NULL, &tzn, DateStyle, buf, 0);
|
|
|
|
else
|
2003-03-20 16:56:50 +01:00
|
|
|
{
|
2003-03-30 13:48:19 +02:00
|
|
|
errno = PGTYPES_TS_BAD_TIMESTAMP;
|
2003-03-20 16:56:50 +01:00
|
|
|
return NULL;
|
|
|
|
}
|
2003-04-01 16:37:25 +02:00
|
|
|
return pgtypes_strdup(buf);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2003-08-04 02:43:34 +02:00
|
|
|
PGTYPEStimestamp_current(Timestamp *ts)
|
2003-04-01 16:37:25 +02:00
|
|
|
{
|
|
|
|
struct tm tm;
|
2003-08-04 02:43:34 +02:00
|
|
|
|
2003-04-01 16:37:25 +02:00
|
|
|
GetCurrentDateTime(&tm);
|
|
|
|
tm2timestamp(&tm, 0, NULL, ts);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
2003-08-04 02:43:34 +02:00
|
|
|
dttofmtasc_replace(Timestamp *ts, Date dDate, int dow, struct tm * tm,
|
|
|
|
char *output, int *pstr_len, char *fmtstr)
|
2003-04-01 16:37:25 +02:00
|
|
|
{
|
2003-08-01 10:21:04 +02:00
|
|
|
union un_fmt_comb replace_val;
|
2003-08-04 02:43:34 +02:00
|
|
|
int replace_type;
|
|
|
|
int i;
|
|
|
|
char *p = fmtstr;
|
|
|
|
char *q = output;
|
2003-04-01 16:37:25 +02:00
|
|
|
|
2003-08-04 02:43:34 +02:00
|
|
|
while (*p)
|
|
|
|
{
|
|
|
|
if (*p == '%')
|
|
|
|
{
|
2003-04-01 16:37:25 +02:00
|
|
|
p++;
|
|
|
|
/* fix compiler warning */
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_type = PGTYPES_TYPE_NOTHING;
|
2003-08-04 02:43:34 +02:00
|
|
|
switch (*p)
|
|
|
|
{
|
2003-04-01 16:37:25 +02:00
|
|
|
case 'a':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.str_val = pgtypes_date_weekdays_short[dow];
|
|
|
|
replace_type = PGTYPES_TYPE_STRING_CONSTANT;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'A':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.str_val = days[dow];
|
|
|
|
replace_type = PGTYPES_TYPE_STRING_CONSTANT;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'b':
|
|
|
|
case 'h':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.str_val = months[tm->tm_mon];
|
|
|
|
replace_type = PGTYPES_TYPE_STRING_CONSTANT;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'B':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.str_val = pgtypes_date_months[tm->tm_mon];
|
|
|
|
replace_type = PGTYPES_TYPE_STRING_CONSTANT;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'c':
|
|
|
|
/* XXX */
|
|
|
|
break;
|
|
|
|
case 'C':
|
2003-09-01 14:37:40 +02:00
|
|
|
replace_val.uint_val = tm->tm_year / 100;
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_type = PGTYPES_TYPE_UINT_2_LZ;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'd':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.uint_val = tm->tm_mday;
|
|
|
|
replace_type = PGTYPES_TYPE_UINT_2_LZ;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'D':
|
2003-08-04 02:43:34 +02:00
|
|
|
|
|
|
|
/*
|
|
|
|
* ts, dDate, dow, tm is information about the
|
|
|
|
* timestamp
|
2003-04-01 16:37:25 +02:00
|
|
|
*
|
2003-08-04 02:43:34 +02:00
|
|
|
* q is the start of the current output buffer
|
2003-04-01 16:37:25 +02:00
|
|
|
*
|
2003-08-04 02:43:34 +02:00
|
|
|
* pstr_len is a pointer to the remaining size of output,
|
|
|
|
* i.e. the size of q
|
|
|
|
*/
|
2003-04-01 16:37:25 +02:00
|
|
|
i = dttofmtasc_replace(ts, dDate, dow, tm,
|
2003-08-04 02:43:34 +02:00
|
|
|
q, pstr_len,
|
|
|
|
"%m/%d/%y");
|
|
|
|
if (i)
|
|
|
|
return i;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'e':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.uint_val = tm->tm_mday;
|
|
|
|
replace_type = PGTYPES_TYPE_UINT_2_LS;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'E':
|
|
|
|
{
|
2003-08-04 02:43:34 +02:00
|
|
|
char tmp[4] = "%Ex";
|
|
|
|
|
2003-04-01 16:37:25 +02:00
|
|
|
p++;
|
2003-08-04 02:43:34 +02:00
|
|
|
if (*p == '\0')
|
2003-04-01 16:37:25 +02:00
|
|
|
return -1;
|
|
|
|
tmp[2] = *p;
|
|
|
|
/* XXX: fall back to strftime */
|
2003-08-04 02:43:34 +02:00
|
|
|
|
|
|
|
/*
|
|
|
|
* strftime's month is 0 based, ours is 1 based
|
|
|
|
*/
|
2003-04-01 16:37:25 +02:00
|
|
|
tm->tm_mon -= 1;
|
|
|
|
i = strftime(q, *pstr_len, tmp, tm);
|
2003-08-04 02:43:34 +02:00
|
|
|
if (i == 0)
|
|
|
|
return -1;
|
|
|
|
while (*q)
|
|
|
|
{
|
2003-04-01 16:37:25 +02:00
|
|
|
q++;
|
|
|
|
(*pstr_len)--;
|
|
|
|
}
|
|
|
|
tm->tm_mon += 1;
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_type = PGTYPES_TYPE_NOTHING;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
case 'G':
|
|
|
|
/* XXX: fall back to strftime */
|
|
|
|
tm->tm_mon -= 1;
|
|
|
|
i = strftime(q, *pstr_len, "%G", tm);
|
2003-08-04 02:43:34 +02:00
|
|
|
if (i == 0)
|
|
|
|
return -1;
|
|
|
|
while (*q)
|
|
|
|
{
|
2003-04-01 16:37:25 +02:00
|
|
|
q++;
|
|
|
|
(*pstr_len)--;
|
|
|
|
}
|
|
|
|
tm->tm_mon += 1;
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_type = PGTYPES_TYPE_NOTHING;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'g':
|
|
|
|
/* XXX: fall back to strftime */
|
2003-06-25 12:44:21 +02:00
|
|
|
{
|
2003-08-04 02:43:34 +02:00
|
|
|
char *fmt = "%g"; /* Keep compiler quiet
|
|
|
|
* about 2-digit year */
|
|
|
|
|
2003-06-25 12:44:21 +02:00
|
|
|
tm->tm_mon -= 1;
|
|
|
|
i = strftime(q, *pstr_len, fmt, tm);
|
2003-08-04 02:43:34 +02:00
|
|
|
if (i == 0)
|
|
|
|
return -1;
|
|
|
|
while (*q)
|
|
|
|
{
|
2003-06-25 12:44:21 +02:00
|
|
|
q++;
|
|
|
|
(*pstr_len)--;
|
|
|
|
}
|
|
|
|
tm->tm_mon += 1;
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_type = PGTYPES_TYPE_NOTHING;
|
2003-04-01 16:37:25 +02:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 'H':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.uint_val = tm->tm_hour;
|
|
|
|
replace_type = PGTYPES_TYPE_UINT_2_LZ;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'I':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.uint_val = tm->tm_hour % 12;
|
|
|
|
replace_type = PGTYPES_TYPE_UINT_2_LZ;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'j':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.uint_val = tm->tm_yday;
|
|
|
|
replace_type = PGTYPES_TYPE_UINT_3_LZ;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'k':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.uint_val = tm->tm_hour;
|
|
|
|
replace_type = PGTYPES_TYPE_UINT_2_LS;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'l':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.uint_val = tm->tm_hour % 12;
|
|
|
|
replace_type = PGTYPES_TYPE_UINT_2_LS;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'm':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.uint_val = tm->tm_mon;
|
|
|
|
replace_type = PGTYPES_TYPE_UINT_2_LZ;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'M':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.uint_val = tm->tm_min;
|
|
|
|
replace_type = PGTYPES_TYPE_UINT_2_LZ;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'n':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.char_val = '\n';
|
|
|
|
replace_type = PGTYPES_TYPE_CHAR;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'p':
|
2003-08-04 02:43:34 +02:00
|
|
|
if (tm->tm_hour < 12)
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.str_val = "AM";
|
2003-08-04 02:43:34 +02:00
|
|
|
else
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.str_val = "PM";
|
|
|
|
replace_type = PGTYPES_TYPE_STRING_CONSTANT;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'P':
|
2003-08-04 02:43:34 +02:00
|
|
|
if (tm->tm_hour < 12)
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.str_val = "am";
|
2003-08-04 02:43:34 +02:00
|
|
|
else
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.str_val = "pm";
|
|
|
|
replace_type = PGTYPES_TYPE_STRING_CONSTANT;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'r':
|
|
|
|
i = dttofmtasc_replace(ts, dDate, dow, tm,
|
2003-08-04 02:43:34 +02:00
|
|
|
q, pstr_len,
|
|
|
|
"%I:%M:%S %p");
|
|
|
|
if (i)
|
|
|
|
return i;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'R':
|
|
|
|
i = dttofmtasc_replace(ts, dDate, dow, tm,
|
2003-08-04 02:43:34 +02:00
|
|
|
q, pstr_len,
|
|
|
|
"%H:%M");
|
|
|
|
if (i)
|
|
|
|
return i;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 's':
|
|
|
|
#ifdef HAVE_INT64_TIMESTAMP
|
2003-08-01 20:19:03 +02:00
|
|
|
replace_val.int64_val = ((*ts - SetEpochTimestamp()) / 1000000e0);
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_type = PGTYPES_TYPE_INT64;
|
2003-04-01 16:37:25 +02:00
|
|
|
#else
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.double_val = *ts - SetEpochTimestamp();
|
|
|
|
replace_type = PGTYPES_TYPE_DOUBLE_NF;
|
2003-04-01 16:37:25 +02:00
|
|
|
#endif
|
|
|
|
break;
|
|
|
|
case 'S':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.uint_val = tm->tm_sec;
|
|
|
|
replace_type = PGTYPES_TYPE_UINT;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 't':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.char_val = '\t';
|
|
|
|
replace_type = PGTYPES_TYPE_CHAR;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'T':
|
|
|
|
i = dttofmtasc_replace(ts, dDate, dow, tm,
|
2003-08-04 02:43:34 +02:00
|
|
|
q, pstr_len,
|
|
|
|
"%H:%M:%S");
|
|
|
|
if (i)
|
|
|
|
return i;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'u':
|
2003-08-04 02:43:34 +02:00
|
|
|
if (dow == 0)
|
|
|
|
dow = 7;
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.uint_val = dow;
|
|
|
|
replace_type = PGTYPES_TYPE_UINT;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'U':
|
|
|
|
/* XXX: fall back to strftime */
|
|
|
|
tm->tm_mon -= 1;
|
|
|
|
i = strftime(q, *pstr_len, "%U", tm);
|
2003-08-04 02:43:34 +02:00
|
|
|
if (i == 0)
|
|
|
|
return -1;
|
|
|
|
while (*q)
|
|
|
|
{
|
2003-04-01 16:37:25 +02:00
|
|
|
q++;
|
|
|
|
(*pstr_len)--;
|
|
|
|
}
|
|
|
|
tm->tm_mon += 1;
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_type = PGTYPES_TYPE_NOTHING;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'V':
|
|
|
|
/* XXX: fall back to strftime */
|
|
|
|
i = strftime(q, *pstr_len, "%V", tm);
|
2003-08-04 02:43:34 +02:00
|
|
|
if (i == 0)
|
|
|
|
return -1;
|
|
|
|
while (*q)
|
|
|
|
{
|
2003-04-01 16:37:25 +02:00
|
|
|
q++;
|
|
|
|
(*pstr_len)--;
|
|
|
|
}
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_type = PGTYPES_TYPE_NOTHING;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'w':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.uint_val = dow;
|
|
|
|
replace_type = PGTYPES_TYPE_UINT;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'W':
|
|
|
|
/* XXX: fall back to strftime */
|
|
|
|
tm->tm_mon -= 1;
|
|
|
|
i = strftime(q, *pstr_len, "%U", tm);
|
2003-08-04 02:43:34 +02:00
|
|
|
if (i == 0)
|
|
|
|
return -1;
|
|
|
|
while (*q)
|
|
|
|
{
|
2003-04-01 16:37:25 +02:00
|
|
|
q++;
|
|
|
|
(*pstr_len)--;
|
|
|
|
}
|
|
|
|
tm->tm_mon += 1;
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_type = PGTYPES_TYPE_NOTHING;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'x':
|
|
|
|
/* XXX: fall back to strftime */
|
2003-06-25 12:44:21 +02:00
|
|
|
{
|
2003-08-04 02:43:34 +02:00
|
|
|
char *fmt = "%x"; /* Keep compiler quiet
|
|
|
|
* about 2-digit year */
|
2003-06-25 12:44:21 +02:00
|
|
|
|
|
|
|
tm->tm_mon -= 1;
|
|
|
|
i = strftime(q, *pstr_len, fmt, tm);
|
2003-08-04 02:43:34 +02:00
|
|
|
if (i == 0)
|
|
|
|
return -1;
|
|
|
|
while (*q)
|
|
|
|
{
|
2003-06-25 12:44:21 +02:00
|
|
|
q++;
|
|
|
|
(*pstr_len)--;
|
|
|
|
}
|
|
|
|
tm->tm_mon += 1;
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_type = PGTYPES_TYPE_NOTHING;
|
2003-04-01 16:37:25 +02:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 'X':
|
|
|
|
/* XXX: fall back to strftime */
|
|
|
|
tm->tm_mon -= 1;
|
|
|
|
i = strftime(q, *pstr_len, "%X", tm);
|
2003-08-04 02:43:34 +02:00
|
|
|
if (i == 0)
|
|
|
|
return -1;
|
|
|
|
while (*q)
|
|
|
|
{
|
2003-04-01 16:37:25 +02:00
|
|
|
q++;
|
|
|
|
(*pstr_len)--;
|
|
|
|
}
|
|
|
|
tm->tm_mon += 1;
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_type = PGTYPES_TYPE_NOTHING;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'y':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.uint_val = tm->tm_year % 100;
|
|
|
|
replace_type = PGTYPES_TYPE_UINT_2_LZ;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'Y':
|
2003-09-01 14:37:40 +02:00
|
|
|
replace_val.uint_val = tm->tm_year;
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_type = PGTYPES_TYPE_UINT;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'z':
|
|
|
|
/* XXX: fall back to strftime */
|
|
|
|
tm->tm_mon -= 1;
|
|
|
|
i = strftime(q, *pstr_len, "%z", tm);
|
2003-08-04 02:43:34 +02:00
|
|
|
if (i == 0)
|
|
|
|
return -1;
|
|
|
|
while (*q)
|
|
|
|
{
|
2003-04-01 16:37:25 +02:00
|
|
|
q++;
|
|
|
|
(*pstr_len)--;
|
|
|
|
}
|
|
|
|
tm->tm_mon += 1;
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_type = PGTYPES_TYPE_NOTHING;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case 'Z':
|
|
|
|
/* XXX: fall back to strftime */
|
|
|
|
tm->tm_mon -= 1;
|
|
|
|
i = strftime(q, *pstr_len, "%Z", tm);
|
2003-08-04 02:43:34 +02:00
|
|
|
if (i == 0)
|
|
|
|
return -1;
|
|
|
|
while (*q)
|
|
|
|
{
|
2003-04-01 16:37:25 +02:00
|
|
|
q++;
|
|
|
|
(*pstr_len)--;
|
|
|
|
}
|
|
|
|
tm->tm_mon += 1;
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_type = PGTYPES_TYPE_NOTHING;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case '%':
|
2003-08-01 10:21:04 +02:00
|
|
|
replace_val.char_val = '%';
|
|
|
|
replace_type = PGTYPES_TYPE_CHAR;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
case '\0':
|
|
|
|
/* fmtstr: blabla%' */
|
2003-08-04 02:43:34 +02:00
|
|
|
|
|
|
|
/*
|
|
|
|
* this is not compliant to the specification
|
|
|
|
*/
|
2003-04-01 16:37:25 +02:00
|
|
|
return -1;
|
|
|
|
default:
|
2003-08-04 02:43:34 +02:00
|
|
|
|
|
|
|
/*
|
|
|
|
* if we don't know the pattern, we just copy it
|
|
|
|
*/
|
|
|
|
if (*pstr_len > 1)
|
|
|
|
{
|
2003-04-01 16:37:25 +02:00
|
|
|
*q = '%';
|
2003-08-04 02:43:34 +02:00
|
|
|
q++;
|
|
|
|
(*pstr_len)--;
|
|
|
|
if (*pstr_len > 1)
|
|
|
|
{
|
2003-04-01 16:37:25 +02:00
|
|
|
*q = *p;
|
2003-08-04 02:43:34 +02:00
|
|
|
q++;
|
|
|
|
(*pstr_len)--;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2003-04-01 16:37:25 +02:00
|
|
|
*q = '\0';
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
*q = '\0';
|
|
|
|
}
|
2003-08-04 02:43:34 +02:00
|
|
|
else
|
|
|
|
return -1;
|
2003-04-01 16:37:25 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
i = pgtypes_fmt_replace(replace_val, replace_type, &q, pstr_len);
|
2003-08-04 02:43:34 +02:00
|
|
|
if (i)
|
2003-04-01 16:37:25 +02:00
|
|
|
return i;
|
2003-08-04 02:43:34 +02:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (*pstr_len > 1)
|
|
|
|
{
|
2003-04-01 16:37:25 +02:00
|
|
|
*q = *p;
|
|
|
|
(*pstr_len)--;
|
|
|
|
q++;
|
|
|
|
*q = '\0';
|
|
|
|
}
|
2003-08-04 02:43:34 +02:00
|
|
|
else
|
|
|
|
return -1;
|
2003-04-01 16:37:25 +02:00
|
|
|
}
|
|
|
|
p++;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int
|
2003-08-04 02:43:34 +02:00
|
|
|
PGTYPEStimestamp_fmt_asc(Timestamp *ts, char *output, int str_len, char *fmtstr)
|
2003-04-01 16:37:25 +02:00
|
|
|
{
|
2003-08-04 02:43:34 +02:00
|
|
|
struct tm tm;
|
|
|
|
fsec_t fsec;
|
|
|
|
Date dDate;
|
|
|
|
int dow;
|
2003-04-01 16:37:25 +02:00
|
|
|
|
|
|
|
dDate = PGTYPESdate_from_timestamp(*ts);
|
|
|
|
dow = PGTYPESdate_dayofweek(dDate);
|
|
|
|
timestamp2tm(*ts, NULL, &tm, &fsec, NULL);
|
|
|
|
|
|
|
|
return dttofmtasc_replace(ts, dDate, dow, &tm, output, &str_len, fmtstr);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
2003-08-04 02:43:34 +02:00
|
|
|
PGTYPEStimestamp_sub(Timestamp *ts1, Timestamp *ts2, Interval *iv)
|
2003-04-01 16:37:25 +02:00
|
|
|
{
|
|
|
|
if (TIMESTAMP_NOT_FINITE(*ts1) || TIMESTAMP_NOT_FINITE(*ts2))
|
|
|
|
return PGTYPES_TS_ERR_EINFTIME;
|
|
|
|
else
|
|
|
|
#ifdef HAVE_INT64_TIMESTAMP
|
|
|
|
iv->time = (ts1 - ts2);
|
|
|
|
#else
|
|
|
|
iv->time = JROUND(ts1 - ts2);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
iv->month = 0;
|
|
|
|
|
|
|
|
return 0;
|
2003-03-20 16:56:50 +01:00
|
|
|
}
|
2003-04-01 16:37:25 +02:00
|
|
|
|
2003-08-04 02:43:34 +02:00
|
|
|
int
|
|
|
|
PGTYPEStimestamp_defmt_asc(char *str, char *fmt, Timestamp *d)
|
|
|
|
{
|
|
|
|
int year,
|
|
|
|
month,
|
|
|
|
day;
|
|
|
|
int hour,
|
|
|
|
minute,
|
|
|
|
second;
|
|
|
|
int tz;
|
|
|
|
|
|
|
|
int i;
|
|
|
|
char *mstr;
|
|
|
|
char *mfmt;
|
|
|
|
|
|
|
|
if (!fmt)
|
2003-08-01 10:21:04 +02:00
|
|
|
fmt = "%Y-%m-%d %H:%M:%S";
|
2003-08-04 02:43:34 +02:00
|
|
|
if (!fmt[0])
|
2003-08-01 10:21:04 +02:00
|
|
|
return 1;
|
|
|
|
|
|
|
|
mstr = pgtypes_strdup(str);
|
|
|
|
mfmt = pgtypes_strdup(fmt);
|
2003-08-04 02:43:34 +02:00
|
|
|
|
|
|
|
/*
|
|
|
|
* initialize with impossible values so that we can see if the fields
|
|
|
|
* where specified at all
|
|
|
|
*/
|
2003-08-01 10:21:04 +02:00
|
|
|
/* XXX ambiguity with 1 BC for year? */
|
2003-08-04 02:43:34 +02:00
|
|
|
year = -1;
|
|
|
|
month = -1;
|
|
|
|
day = -1;
|
|
|
|
hour = 0;
|
|
|
|
minute = -1;
|
|
|
|
second = -1;
|
2003-08-01 10:21:04 +02:00
|
|
|
tz = 0;
|
|
|
|
|
|
|
|
i = PGTYPEStimestamp_defmt_scan(&mstr, mfmt, d, &year, &month, &day, &hour, &minute, &second, &tz);
|
|
|
|
free(mstr);
|
|
|
|
free(mfmt);
|
|
|
|
return i;
|
|
|
|
}
|