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Another round of updates for new fmgr, mostly in the datetime code.

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This commit is contained in:
Tom Lane
2000-06-09 01:11:16 +00:00
parent 20ad43b576
commit ae526b4070
27 changed files with 2206 additions and 2007 deletions
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120
src/include/utils/timestamp.h
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@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: timestamp.h,v 1.5 2000/06/08 22:37:58 momjian Exp $
* $Id: timestamp.h,v 1.6 2000/06/09 01:11:15 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -17,6 +17,9 @@
#include <math.h>
#include <limits.h>
#include "fmgr.h"
/*
* Timestamp represents absolute time.
* Interval represents delta time. Keep track of months (and years)
@@ -38,6 +41,25 @@ typedef struct
} Interval;
/*
* Macros for fmgr-callable functions.
*
* For Timestamp, we make use of the same support routines as for float8.
* Therefore Timestamp is pass-by-reference if and only if float8 is!
*/
#define DatumGetTimestamp(X) ((Timestamp) DatumGetFloat8(X))
#define DatumGetIntervalP(X) ((Interval *) DatumGetPointer(X))
#define TimestampGetDatum(X) Float8GetDatum(X)
#define IntervalPGetDatum(X) PointerGetDatum(X)
#define PG_GETARG_TIMESTAMP(n) DatumGetTimestamp(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_INTERVAL_P(x) return IntervalPGetDatum(x)
#ifdef NAN
#define DT_INVALID (NAN)
#else
@@ -105,59 +127,63 @@ extern int timestamp_is_epoch(double j);
* timestamp.c prototypes
*/
extern Timestamp *timestamp_in(char *str);
extern char *timestamp_out(Timestamp *dt);
extern bool timestamp_eq(Timestamp *dt1, Timestamp *dt2);
extern bool timestamp_ne(Timestamp *dt1, Timestamp *dt2);
extern bool timestamp_lt(Timestamp *dt1, Timestamp *dt2);
extern bool timestamp_le(Timestamp *dt1, Timestamp *dt2);
extern bool timestamp_ge(Timestamp *dt1, Timestamp *dt2);
extern bool timestamp_gt(Timestamp *dt1, Timestamp *dt2);
extern bool timestamp_finite(Timestamp *timestamp);
extern int timestamp_cmp(Timestamp *dt1, Timestamp *dt2);
extern Timestamp *timestamp_smaller(Timestamp *dt1, Timestamp *dt2);
extern Timestamp *timestamp_larger(Timestamp *dt1, Timestamp *dt2);
extern Datum timestamp_in(PG_FUNCTION_ARGS);
extern Datum timestamp_out(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 Interval *interval_in(char *str);
extern char *interval_out(Interval *span);
extern bool interval_eq(Interval *span1, Interval *span2);
extern bool interval_ne(Interval *span1, Interval *span2);
extern bool interval_lt(Interval *span1, Interval *span2);
extern bool interval_le(Interval *span1, Interval *span2);
extern bool interval_ge(Interval *span1, Interval *span2);
extern bool interval_gt(Interval *span1, Interval *span2);
extern bool interval_finite(Interval *span);
extern int interval_cmp(Interval *span1, Interval *span2);
extern Interval *interval_smaller(Interval *span1, Interval *span2);
extern Interval *interval_larger(Interval *span1, Interval *span2);
extern Datum interval_in(PG_FUNCTION_ARGS);
extern Datum interval_out(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_smaller(PG_FUNCTION_ARGS);
extern Datum interval_larger(PG_FUNCTION_ARGS);
extern text *timestamp_text(Timestamp *timestamp);
extern Timestamp *text_timestamp(text *str);
extern text *interval_text(Interval *interval);
extern Interval *text_interval(text *str);
extern Timestamp *timestamp_trunc(text *units, Timestamp *timestamp);
extern Interval *interval_trunc(text *units, Interval *interval);
extern float64 timestamp_part(text *units, Timestamp *timestamp);
extern float64 interval_part(text *units, Interval *interval);
extern text *timestamp_zone(text *zone, Timestamp *timestamp);
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 Interval *interval_um(Interval *span);
extern Interval *interval_pl(Interval *span1, Interval *span2);
extern Interval *interval_mi(Interval *span1, Interval *span2);
extern Interval *interval_mul(Interval *span1, float8 *factor);
extern Interval *mul_d_interval(float8 *factor, Interval *span1);
extern Interval *interval_div(Interval *span1, float8 *factor);
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 Interval *timestamp_mi(Timestamp *dt1, Timestamp *dt2);
extern Timestamp *timestamp_pl_span(Timestamp *dt, Interval *span);
extern Timestamp *timestamp_mi_span(Timestamp *dt, Interval *span);
extern Interval *timestamp_age(Timestamp *dt1, Timestamp *dt2);
extern bool overlaps_timestamp(Timestamp *dt1, Timestamp *dt2, Timestamp *dt3, Timestamp *dt4);
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 now(PG_FUNCTION_ARGS);
/* Internal routines (not fmgr-callable) */
extern int tm2timestamp(struct tm * tm, double fsec, int *tzp, Timestamp *dt);
extern int timestamp2tm(Timestamp dt, int *tzp, struct tm * tm, double *fsec, char **tzn);
extern int timestamp2tm(Timestamp dt, int *tzp, struct tm * tm,
double *fsec, char **tzn);
extern Timestamp SetTimestamp(Timestamp timestamp);
extern Timestamp *now(void);
#endif /* TIMESTAMP_H */