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