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Diffstat (limited to 'src/include/utils/timestamp.h')
| -rw-r--r-- | src/include/utils/timestamp.h | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/src/include/utils/timestamp.h b/src/include/utils/timestamp.h deleted file mode 100644 index aea1c17841b..00000000000 --- a/src/include/utils/timestamp.h +++ /dev/null @@ -1,232 +0,0 @@ -/*------------------------------------------------------------------------- - * - * timestamp.h - * Definitions for the SQL92 "timestamp" and "interval" types. - * - * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group - * Portions Copyright (c) 1994, Regents of the University of California - * - * $Id: timestamp.h,v 1.27 2002/06/20 20:29:53 momjian Exp $ - * - *------------------------------------------------------------------------- - */ -#ifndef TIMESTAMP_H -#define TIMESTAMP_H - -#include <time.h> -#include <math.h> -#include <limits.h> -#include <float.h> - -#include "fmgr.h" -#ifdef HAVE_INT64_TIMESTAMP -#include "utils/int8.h" -#endif - -/* - * Timestamp represents absolute time. - * Interval represents delta time. Keep track of months (and years) - * separately since the elapsed time spanned is unknown until instantiated - * relative to an absolute time. - * - * Note that Postgres uses "time interval" to mean a bounded interval, - * consisting of a beginning and ending time, not a time span - thomas 97/03/20 - */ - -#ifdef HAVE_INT64_TIMESTAMP -typedef int64 Timestamp; -typedef int64 TimestampTz; -#else -typedef double Timestamp; -typedef double TimestampTz; -#endif - -typedef struct -{ -#ifdef HAVE_INT64_TIMESTAMP - int64 time; /* all time units other than months and years */ -#else - double time; /* all time units other than months and years */ -#endif - int32 month; /* months and years, after time for alignment */ -} Interval; - - -/* - * Macros for fmgr-callable functions. - * - * For Timestamp, we make use of the same support routines as for int64 - * or float8. Therefore Timestamp is pass-by-reference if and only if - * int64 or float8 is! - */ -#ifdef HAVE_INT64_TIMESTAMP - -#define DatumGetTimestamp(X) ((Timestamp) DatumGetInt64(X)) -#define DatumGetTimestampTz(X) ((TimestampTz) DatumGetInt64(X)) -#define DatumGetIntervalP(X) ((Interval *) DatumGetPointer(X)) - -#define TimestampGetDatum(X) Int64GetDatum(X) -#define TimestampTzGetDatum(X) Int64GetDatum(X) -#define IntervalPGetDatum(X) PointerGetDatum(X) - -#define PG_GETARG_TIMESTAMP(n) PG_GETARG_INT64(n) -#define PG_GETARG_TIMESTAMPTZ(n) PG_GETARG_INT64(n) -#define PG_GETARG_INTERVAL_P(n) DatumGetIntervalP(PG_GETARG_DATUM(n)) - -#define PG_RETURN_TIMESTAMP(x) PG_RETURN_INT64(x) -#define PG_RETURN_TIMESTAMPTZ(x) PG_RETURN_INT64(x) -#define PG_RETURN_INTERVAL_P(x) return IntervalPGetDatum(x) - -#define DT_NOBEGIN (-INT64CONST(0x7fffffffffffffff) - 1) -#define DT_NOEND (INT64CONST(0x7fffffffffffffff)) - -#else - -#define DatumGetTimestamp(X) ((Timestamp) DatumGetFloat8(X)) -#define DatumGetTimestampTz(X) ((TimestampTz) DatumGetFloat8(X)) -#define DatumGetIntervalP(X) ((Interval *) DatumGetPointer(X)) - -#define TimestampGetDatum(X) Float8GetDatum(X) -#define TimestampTzGetDatum(X) Float8GetDatum(X) -#define IntervalPGetDatum(X) PointerGetDatum(X) - -#define PG_GETARG_TIMESTAMP(n) DatumGetTimestamp(PG_GETARG_DATUM(n)) -#define PG_GETARG_TIMESTAMPTZ(n) DatumGetTimestampTz(PG_GETARG_DATUM(n)) -#define PG_GETARG_INTERVAL_P(n) DatumGetIntervalP(PG_GETARG_DATUM(n)) - -#define PG_RETURN_TIMESTAMP(x) return TimestampGetDatum(x) -#define PG_RETURN_TIMESTAMPTZ(x) return TimestampTzGetDatum(x) -#define PG_RETURN_INTERVAL_P(x) return IntervalPGetDatum(x) - -#ifdef HUGE_VAL -#define DT_NOBEGIN (-HUGE_VAL) -#define DT_NOEND (HUGE_VAL) -#else -#define DT_NOBEGIN (-DBL_MAX) -#define DT_NOEND (DBL_MAX) -#endif - -#endif /* HAVE_INT64_TIMESTAMP */ - - -#define TIMESTAMP_NOBEGIN(j) do {j = DT_NOBEGIN;} while (0) -#define TIMESTAMP_IS_NOBEGIN(j) ((j) == DT_NOBEGIN) - -#define TIMESTAMP_NOEND(j) do {j = DT_NOEND;} while (0) -#define TIMESTAMP_IS_NOEND(j) ((j) == DT_NOEND) - -#define TIMESTAMP_NOT_FINITE(j) (TIMESTAMP_IS_NOBEGIN(j) || TIMESTAMP_IS_NOEND(j)) - - -#define MAX_TIMESTAMP_PRECISION 6 -#define MAX_INTERVAL_PRECISION 6 - -#ifdef HAVE_INT64_TIMESTAMP - -typedef int32 fsec_t; - -#else - -typedef double fsec_t; - -#define TIME_PREC_INV 1000000.0 -#define JROUND(j) (rint(((double) (j))*TIME_PREC_INV)/TIME_PREC_INV) - -#endif - - -/* - * timestamp.c prototypes - */ - -extern Datum timestamp_in(PG_FUNCTION_ARGS); -extern Datum timestamp_out(PG_FUNCTION_ARGS); -extern Datum timestamp_scale(PG_FUNCTION_ARGS); -extern Datum timestamp_eq(PG_FUNCTION_ARGS); -extern Datum timestamp_ne(PG_FUNCTION_ARGS); -extern Datum timestamp_lt(PG_FUNCTION_ARGS); -extern Datum timestamp_le(PG_FUNCTION_ARGS); -extern Datum timestamp_ge(PG_FUNCTION_ARGS); -extern Datum timestamp_gt(PG_FUNCTION_ARGS); -extern Datum timestamp_finite(PG_FUNCTION_ARGS); -extern Datum timestamp_cmp(PG_FUNCTION_ARGS); -extern Datum timestamp_smaller(PG_FUNCTION_ARGS); -extern Datum timestamp_larger(PG_FUNCTION_ARGS); - -extern Datum interval_in(PG_FUNCTION_ARGS); -extern Datum interval_out(PG_FUNCTION_ARGS); -extern Datum interval_scale(PG_FUNCTION_ARGS); -extern Datum interval_eq(PG_FUNCTION_ARGS); -extern Datum interval_ne(PG_FUNCTION_ARGS); -extern Datum interval_lt(PG_FUNCTION_ARGS); -extern Datum interval_le(PG_FUNCTION_ARGS); -extern Datum interval_ge(PG_FUNCTION_ARGS); -extern Datum interval_gt(PG_FUNCTION_ARGS); -extern Datum interval_finite(PG_FUNCTION_ARGS); -extern Datum interval_cmp(PG_FUNCTION_ARGS); -extern Datum interval_hash(PG_FUNCTION_ARGS); -extern Datum interval_smaller(PG_FUNCTION_ARGS); -extern Datum interval_larger(PG_FUNCTION_ARGS); - -extern Datum timestamp_text(PG_FUNCTION_ARGS); -extern Datum text_timestamp(PG_FUNCTION_ARGS); -extern Datum interval_text(PG_FUNCTION_ARGS); -extern Datum text_interval(PG_FUNCTION_ARGS); -extern Datum timestamp_trunc(PG_FUNCTION_ARGS); -extern Datum interval_trunc(PG_FUNCTION_ARGS); -extern Datum timestamp_part(PG_FUNCTION_ARGS); -extern Datum interval_part(PG_FUNCTION_ARGS); -extern Datum timestamp_zone(PG_FUNCTION_ARGS); -extern Datum timestamp_izone(PG_FUNCTION_ARGS); -extern Datum timestamp_timestamptz(PG_FUNCTION_ARGS); - -extern Datum timestamptz_in(PG_FUNCTION_ARGS); -extern Datum timestamptz_out(PG_FUNCTION_ARGS); -extern Datum timestamptz_scale(PG_FUNCTION_ARGS); -extern Datum timestamptz_timestamp(PG_FUNCTION_ARGS); -extern Datum timestamptz_zone(PG_FUNCTION_ARGS); -extern Datum timestamptz_izone(PG_FUNCTION_ARGS); -extern Datum timestamptz_timestamptz(PG_FUNCTION_ARGS); - -extern Datum interval_um(PG_FUNCTION_ARGS); -extern Datum interval_pl(PG_FUNCTION_ARGS); -extern Datum interval_mi(PG_FUNCTION_ARGS); -extern Datum interval_mul(PG_FUNCTION_ARGS); -extern Datum mul_d_interval(PG_FUNCTION_ARGS); -extern Datum interval_div(PG_FUNCTION_ARGS); -extern Datum interval_accum(PG_FUNCTION_ARGS); -extern Datum interval_avg(PG_FUNCTION_ARGS); - -extern Datum timestamp_mi(PG_FUNCTION_ARGS); -extern Datum timestamp_pl_span(PG_FUNCTION_ARGS); -extern Datum timestamp_mi_span(PG_FUNCTION_ARGS); -extern Datum timestamp_age(PG_FUNCTION_ARGS); -extern Datum overlaps_timestamp(PG_FUNCTION_ARGS); - -extern Datum timestamptz_text(PG_FUNCTION_ARGS); -extern Datum text_timestamptz(PG_FUNCTION_ARGS); -extern Datum timestamptz_pl_span(PG_FUNCTION_ARGS); -extern Datum timestamptz_mi_span(PG_FUNCTION_ARGS); -extern Datum timestamptz_age(PG_FUNCTION_ARGS); -extern Datum timestamptz_trunc(PG_FUNCTION_ARGS); -extern Datum timestamptz_part(PG_FUNCTION_ARGS); - -extern Datum now(PG_FUNCTION_ARGS); - -/* Internal routines (not fmgr-callable) */ - -extern int tm2timestamp(struct tm * tm, fsec_t fsec, int *tzp, Timestamp *dt); -extern int timestamp2tm(Timestamp dt, int *tzp, struct tm * tm, - fsec_t *fsec, char **tzn); -extern void dt2time(Timestamp dt, int *hour, int *min, int *sec, fsec_t *fsec); - -extern int interval2tm(Interval span, struct tm * tm, fsec_t *fsec); -extern int tm2interval(struct tm * tm, fsec_t fsec, Interval *span); - -extern Timestamp SetEpochTimestamp(void); -extern void GetEpochTime(struct tm * tm); - -extern void isoweek2date(int woy, int *year, int *mon, int *mday); -extern int date2isoweek(int year, int mon, int mday); - -#endif /* TIMESTAMP_H */ |