diff options
Diffstat (limited to 'src/include/utils/nabstime.h')
| -rw-r--r-- | src/include/utils/nabstime.h | 148 |
1 files changed, 79 insertions, 69 deletions
diff --git a/src/include/utils/nabstime.h b/src/include/utils/nabstime.h index 97f5119fd74..683b81e2e42 100644 --- a/src/include/utils/nabstime.h +++ b/src/include/utils/nabstime.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2000, PostgreSQL, Inc * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: nabstime.h,v 1.25 2000/04/12 17:16:55 momjian Exp $ + * $Id: nabstime.h,v 1.26 2000/06/09 01:11:15 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -15,13 +15,15 @@ #define NABSTIME_H #include <time.h> + +#include "fmgr.h" #include "utils/timestamp.h" #include "utils/datetime.h" /* ---------------------------------------------------------------- - * time types + support macros * + * time types + support macros * * ---------------------------------------------------------------- */ @@ -39,9 +41,29 @@ typedef struct int32 status; AbsoluteTime data[2]; } TimeIntervalData; + typedef TimeIntervalData *TimeInterval; /* + * Macros for fmgr-callable functions. + */ +#define DatumGetAbsoluteTime(X) ((AbsoluteTime) DatumGetInt32(X)) +#define DatumGetRelativeTime(X) ((RelativeTime) DatumGetInt32(X)) +#define DatumGetTimeInterval(X) ((TimeInterval) DatumGetPointer(X)) + +#define AbsoluteTimeGetDatum(X) Int32GetDatum(X) +#define RelativeTimeGetDatum(X) Int32GetDatum(X) +#define TimeIntervalGetDatum(X) PointerGetDatum(X) + +#define PG_GETARG_ABSOLUTETIME(n) DatumGetAbsoluteTime(PG_GETARG_DATUM(n)) +#define PG_GETARG_RELATIVETIME(n) DatumGetRelativeTime(PG_GETARG_DATUM(n)) +#define PG_GETARG_TIMEINTERVAL(n) DatumGetTimeInterval(PG_GETARG_DATUM(n)) + +#define PG_RETURN_ABSOLUTETIME(x) return AbsoluteTimeGetDatum(x) +#define PG_RETURN_RELATIVETIME(x) return RelativeTimeGetDatum(x) +#define PG_RETURN_TIMEINTERVAL(x) return TimeIntervalGetDatum(x) + +/* * Reserved values * Epoch is Unix system time zero, but needs to be kept as a reserved * value rather than converting to time since timezone calculations @@ -78,21 +100,9 @@ typedef TimeIntervalData *TimeInterval; ((bool) (((AbsoluteTime) time) < NOEND_ABSTIME && \ ((AbsoluteTime) time) > NOSTART_ABSTIME)) -/* have to include this because EPOCH_ABSTIME used to be invalid - yuk */ -#define AbsoluteTimeIsBackwardCompatiblyValid(time) \ - ((bool) (((AbsoluteTime) time) != INVALID_ABSTIME && \ - ((AbsoluteTime) time) > EPOCH_ABSTIME)) - -#define AbsoluteTimeIsBackwardCompatiblyReal(time) \ - ((bool) (((AbsoluteTime) time) < NOEND_ABSTIME && \ - ((AbsoluteTime) time) > NOSTART_ABSTIME && \ - ((AbsoluteTime) time) > EPOCH_ABSTIME)) - #define RelativeTimeIsValid(time) \ ((bool) (((RelativeTime) time) != INVALID_RELTIME)) -extern AbsoluteTime GetCurrentAbsoluteTime(void); - /* * getSystemTime * Returns system time. @@ -104,62 +114,62 @@ extern AbsoluteTime GetCurrentAbsoluteTime(void); /* * nabstime.c prototypes */ -extern AbsoluteTime nabstimein(char *timestr); -extern char *nabstimeout(AbsoluteTime time); - -extern bool abstimeeq(AbsoluteTime t1, AbsoluteTime t2); -extern bool abstimene(AbsoluteTime t1, AbsoluteTime t2); -extern bool abstimelt(AbsoluteTime t1, AbsoluteTime t2); -extern bool abstimegt(AbsoluteTime t1, AbsoluteTime t2); -extern bool abstimele(AbsoluteTime t1, AbsoluteTime t2); -extern bool abstimege(AbsoluteTime t1, AbsoluteTime t2); -extern bool abstime_finite(AbsoluteTime time); - -extern AbsoluteTime timestamp_abstime(Timestamp *timestamp); -extern Timestamp *abstime_timestamp(AbsoluteTime abstime); - +extern Datum nabstimein(PG_FUNCTION_ARGS); +extern Datum nabstimeout(PG_FUNCTION_ARGS); + +extern Datum abstimeeq(PG_FUNCTION_ARGS); +extern Datum abstimene(PG_FUNCTION_ARGS); +extern Datum abstimelt(PG_FUNCTION_ARGS); +extern Datum abstimegt(PG_FUNCTION_ARGS); +extern Datum abstimele(PG_FUNCTION_ARGS); +extern Datum abstimege(PG_FUNCTION_ARGS); +extern Datum abstime_finite(PG_FUNCTION_ARGS); + +extern Datum timestamp_abstime(PG_FUNCTION_ARGS); +extern Datum abstime_timestamp(PG_FUNCTION_ARGS); + +extern Datum reltimein(PG_FUNCTION_ARGS); +extern Datum reltimeout(PG_FUNCTION_ARGS); +extern Datum tintervalin(PG_FUNCTION_ARGS); +extern Datum tintervalout(PG_FUNCTION_ARGS); +extern Datum interval_reltime(PG_FUNCTION_ARGS); +extern Datum reltime_interval(PG_FUNCTION_ARGS); +extern Datum mktinterval(PG_FUNCTION_ARGS); +extern Datum timepl(PG_FUNCTION_ARGS); +extern Datum timemi(PG_FUNCTION_ARGS); + +extern Datum intinterval(PG_FUNCTION_ARGS); +extern Datum tintervalrel(PG_FUNCTION_ARGS); +extern Datum timenow(PG_FUNCTION_ARGS); +extern Datum reltimeeq(PG_FUNCTION_ARGS); +extern Datum reltimene(PG_FUNCTION_ARGS); +extern Datum reltimelt(PG_FUNCTION_ARGS); +extern Datum reltimegt(PG_FUNCTION_ARGS); +extern Datum reltimele(PG_FUNCTION_ARGS); +extern Datum reltimege(PG_FUNCTION_ARGS); +extern Datum tintervalsame(PG_FUNCTION_ARGS); +extern Datum tintervaleq(PG_FUNCTION_ARGS); +extern Datum tintervalne(PG_FUNCTION_ARGS); +extern Datum tintervallt(PG_FUNCTION_ARGS); +extern Datum tintervalgt(PG_FUNCTION_ARGS); +extern Datum tintervalle(PG_FUNCTION_ARGS); +extern Datum tintervalge(PG_FUNCTION_ARGS); +extern Datum tintervalleneq(PG_FUNCTION_ARGS); +extern Datum tintervallenne(PG_FUNCTION_ARGS); +extern Datum tintervallenlt(PG_FUNCTION_ARGS); +extern Datum tintervallengt(PG_FUNCTION_ARGS); +extern Datum tintervallenle(PG_FUNCTION_ARGS); +extern Datum tintervallenge(PG_FUNCTION_ARGS); +extern Datum tintervalct(PG_FUNCTION_ARGS); +extern Datum tintervalov(PG_FUNCTION_ARGS); +extern Datum tintervalstart(PG_FUNCTION_ARGS); +extern Datum tintervalend(PG_FUNCTION_ARGS); +extern Datum int4reltime(PG_FUNCTION_ARGS); +extern Datum timeofday(PG_FUNCTION_ARGS); + +/* non-fmgr-callable support routines */ +extern AbsoluteTime GetCurrentAbsoluteTime(void); extern bool AbsoluteTimeIsBefore(AbsoluteTime time1, AbsoluteTime time2); - extern void abstime2tm(AbsoluteTime time, int *tzp, struct tm * tm, char *tzn); -extern RelativeTime reltimein(char *timestring); -extern char *reltimeout(RelativeTime timevalue); -extern TimeInterval tintervalin(char *intervalstr); -extern char *tintervalout(TimeInterval interval); -extern RelativeTime interval_reltime(Interval *interval); -extern Interval *reltime_interval(RelativeTime reltime); -extern TimeInterval mktinterval(AbsoluteTime t1, AbsoluteTime t2); -extern AbsoluteTime timepl(AbsoluteTime t1, RelativeTime t2); -extern AbsoluteTime timemi(AbsoluteTime t1, RelativeTime t2); - -/* extern RelativeTime abstimemi(AbsoluteTime t1, AbsoluteTime t2); static*/ -extern int intinterval(AbsoluteTime t, TimeInterval interval); -extern RelativeTime tintervalrel(TimeInterval interval); -extern AbsoluteTime timenow(void); -extern bool reltimeeq(RelativeTime t1, RelativeTime t2); -extern bool reltimene(RelativeTime t1, RelativeTime t2); -extern bool reltimelt(RelativeTime t1, RelativeTime t2); -extern bool reltimegt(RelativeTime t1, RelativeTime t2); -extern bool reltimele(RelativeTime t1, RelativeTime t2); -extern bool reltimege(RelativeTime t1, RelativeTime t2); -extern bool tintervalsame(TimeInterval i1, TimeInterval i2); -extern bool tintervaleq(TimeInterval i1, TimeInterval i2); -extern bool tintervalne(TimeInterval i1, TimeInterval i2); -extern bool tintervallt(TimeInterval i1, TimeInterval i2); -extern bool tintervalgt(TimeInterval i1, TimeInterval i2); -extern bool tintervalle(TimeInterval i1, TimeInterval i2); -extern bool tintervalge(TimeInterval i1, TimeInterval i2); -extern bool tintervalleneq(TimeInterval i, RelativeTime t); -extern bool tintervallenne(TimeInterval i, RelativeTime t); -extern bool tintervallenlt(TimeInterval i, RelativeTime t); -extern bool tintervallengt(TimeInterval i, RelativeTime t); -extern bool tintervallenle(TimeInterval i, RelativeTime t); -extern bool tintervallenge(TimeInterval i, RelativeTime t); -extern bool tintervalct(TimeInterval i1, TimeInterval i2); -extern bool tintervalov(TimeInterval i1, TimeInterval i2); -extern AbsoluteTime tintervalstart(TimeInterval i); -extern AbsoluteTime tintervalend(TimeInterval i); -extern int32 int4reltime(int32 timevalue); -extern text *timeofday(void); - #endif /* NABSTIME_H */ |