postgresql/src/include/utils/date.h

106 lines
3.6 KiB
C

/*-------------------------------------------------------------------------
*
* date.h
* Definitions for the SQL92 "date" and "time" types.
*
*
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: date.h,v 1.5 2000/06/19 03:54:48 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef DATE_H
#define DATE_H
#include "fmgr.h"
typedef int32 DateADT;
typedef float8 TimeADT;
typedef struct
{
double time; /* all time units other than months and
* years */
int4 zone; /* numeric time zone, in seconds */
} TimeTzADT;
/*
* Macros for fmgr-callable functions.
*
* For TimeADT, we make use of the same support routines as for float8.
* Therefore TimeADT is pass-by-reference if and only if float8 is!
*/
#define DatumGetDateADT(X) ((DateADT) DatumGetInt32(X))
#define DatumGetTimeADT(X) ((TimeADT) DatumGetFloat8(X))
#define DatumGetTimeTzADTP(X) ((TimeTzADT *) DatumGetPointer(X))
#define DateADTGetDatum(X) Int32GetDatum(X)
#define TimeADTGetDatum(X) Float8GetDatum(X)
#define TimeTzADTPGetDatum(X) PointerGetDatum(X)
#define PG_GETARG_DATEADT(n) DatumGetDateADT(PG_GETARG_DATUM(n))
#define PG_GETARG_TIMEADT(n) DatumGetTimeADT(PG_GETARG_DATUM(n))
#define PG_GETARG_TIMETZADT_P(n) DatumGetTimeTzADTP(PG_GETARG_DATUM(n))
#define PG_RETURN_DATEADT(x) return DateADTGetDatum(x)
#define PG_RETURN_TIMEADT(x) return TimeADTGetDatum(x)
#define PG_RETURN_TIMETZADT_P(x) return TimeTzADTPGetDatum(x)
/* date.c */
extern Datum date_in(PG_FUNCTION_ARGS);
extern Datum date_out(PG_FUNCTION_ARGS);
extern Datum date_eq(PG_FUNCTION_ARGS);
extern Datum date_ne(PG_FUNCTION_ARGS);
extern Datum date_lt(PG_FUNCTION_ARGS);
extern Datum date_le(PG_FUNCTION_ARGS);
extern Datum date_gt(PG_FUNCTION_ARGS);
extern Datum date_ge(PG_FUNCTION_ARGS);
extern Datum date_cmp(PG_FUNCTION_ARGS);
extern Datum date_larger(PG_FUNCTION_ARGS);
extern Datum date_smaller(PG_FUNCTION_ARGS);
extern Datum date_mi(PG_FUNCTION_ARGS);
extern Datum date_pli(PG_FUNCTION_ARGS);
extern Datum date_mii(PG_FUNCTION_ARGS);
extern Datum date_timestamp(PG_FUNCTION_ARGS);
extern Datum timestamp_date(PG_FUNCTION_ARGS);
extern Datum datetime_timestamp(PG_FUNCTION_ARGS);
extern Datum abstime_date(PG_FUNCTION_ARGS);
extern Datum time_in(PG_FUNCTION_ARGS);
extern Datum time_out(PG_FUNCTION_ARGS);
extern Datum time_eq(PG_FUNCTION_ARGS);
extern Datum time_ne(PG_FUNCTION_ARGS);
extern Datum time_lt(PG_FUNCTION_ARGS);
extern Datum time_le(PG_FUNCTION_ARGS);
extern Datum time_gt(PG_FUNCTION_ARGS);
extern Datum time_ge(PG_FUNCTION_ARGS);
extern Datum time_cmp(PG_FUNCTION_ARGS);
extern Datum overlaps_time(PG_FUNCTION_ARGS);
extern Datum time_larger(PG_FUNCTION_ARGS);
extern Datum time_smaller(PG_FUNCTION_ARGS);
extern Datum timestamp_time(PG_FUNCTION_ARGS);
extern Datum time_interval(PG_FUNCTION_ARGS);
extern Datum timetz_in(PG_FUNCTION_ARGS);
extern Datum timetz_out(PG_FUNCTION_ARGS);
extern Datum timetz_eq(PG_FUNCTION_ARGS);
extern Datum timetz_ne(PG_FUNCTION_ARGS);
extern Datum timetz_lt(PG_FUNCTION_ARGS);
extern Datum timetz_le(PG_FUNCTION_ARGS);
extern Datum timetz_gt(PG_FUNCTION_ARGS);
extern Datum timetz_ge(PG_FUNCTION_ARGS);
extern Datum timetz_cmp(PG_FUNCTION_ARGS);
extern Datum timetz_hash(PG_FUNCTION_ARGS);
extern Datum overlaps_timetz(PG_FUNCTION_ARGS);
extern Datum timetz_larger(PG_FUNCTION_ARGS);
extern Datum timetz_smaller(PG_FUNCTION_ARGS);
extern Datum timestamp_timetz(PG_FUNCTION_ARGS);
extern Datum datetimetz_timestamp(PG_FUNCTION_ARGS);
#endif /* DATE_H */