granicus.if.org Git - postgresql/blob - src/include/utils/date.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * date.h
   4  *        Definitions for the SQL92 "date" and "time" types.
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2000, PostgreSQL, Inc
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * $Id: date.h,v 1.8 2001/01/23 01:48:17 momjian Exp $
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef DATE_H
  15 #define DATE_H
  16
  17 #include "fmgr.h"
  18
  19
  20 typedef int32 DateADT;
  21
  22 typedef float8 TimeADT;
  23
  24 typedef struct
  25 {
  26         double          time;                   /* all time units other than months and
  27                                                                  * years */
  28         int                     zone;                   /* numeric time zone, in seconds */
  29 } TimeTzADT;
  30
  31 /*
  32  * Macros for fmgr-callable functions.
  33  *
  34  * For TimeADT, we make use of the same support routines as for float8.
  35  * Therefore TimeADT is pass-by-reference if and only if float8 is!
  36  */
  37 #define DatumGetDateADT(X)    ((DateADT) DatumGetInt32(X))
  38 #define DatumGetTimeADT(X)    ((TimeADT) DatumGetFloat8(X))
  39 #define DatumGetTimeTzADTP(X) ((TimeTzADT *) DatumGetPointer(X))
  40
  41 #define DateADTGetDatum(X)    Int32GetDatum(X)
  42 #define TimeADTGetDatum(X)    Float8GetDatum(X)
  43 #define TimeTzADTPGetDatum(X) PointerGetDatum(X)
  44
  45 #define PG_GETARG_DATEADT(n)     DatumGetDateADT(PG_GETARG_DATUM(n))
  46 #define PG_GETARG_TIMEADT(n)     DatumGetTimeADT(PG_GETARG_DATUM(n))
  47 #define PG_GETARG_TIMETZADT_P(n) DatumGetTimeTzADTP(PG_GETARG_DATUM(n))
  48
  49 #define PG_RETURN_DATEADT(x)     return DateADTGetDatum(x)
  50 #define PG_RETURN_TIMEADT(x)     return TimeADTGetDatum(x)
  51 #define PG_RETURN_TIMETZADT_P(x) return TimeTzADTPGetDatum(x)
  52
  53
  54 /* date.c */
  55 extern Datum date_in(PG_FUNCTION_ARGS);
  56 extern Datum date_out(PG_FUNCTION_ARGS);
  57 extern Datum date_eq(PG_FUNCTION_ARGS);
  58 extern Datum date_ne(PG_FUNCTION_ARGS);
  59 extern Datum date_lt(PG_FUNCTION_ARGS);
  60 extern Datum date_le(PG_FUNCTION_ARGS);
  61 extern Datum date_gt(PG_FUNCTION_ARGS);
  62 extern Datum date_ge(PG_FUNCTION_ARGS);
  63 extern Datum date_cmp(PG_FUNCTION_ARGS);
  64 extern Datum date_larger(PG_FUNCTION_ARGS);
  65 extern Datum date_smaller(PG_FUNCTION_ARGS);
  66 extern Datum date_mi(PG_FUNCTION_ARGS);
  67 extern Datum date_pli(PG_FUNCTION_ARGS);
  68 extern Datum date_mii(PG_FUNCTION_ARGS);
  69 extern Datum date_timestamp(PG_FUNCTION_ARGS);
  70 extern Datum timestamp_date(PG_FUNCTION_ARGS);
  71 extern Datum datetime_timestamp(PG_FUNCTION_ARGS);
  72 extern Datum abstime_date(PG_FUNCTION_ARGS);
  73 extern Datum text_date(PG_FUNCTION_ARGS);
  74 extern Datum date_text(PG_FUNCTION_ARGS);
  75
  76 extern Datum time_in(PG_FUNCTION_ARGS);
  77 extern Datum time_out(PG_FUNCTION_ARGS);
  78 extern Datum time_eq(PG_FUNCTION_ARGS);
  79 extern Datum time_ne(PG_FUNCTION_ARGS);
  80 extern Datum time_lt(PG_FUNCTION_ARGS);
  81 extern Datum time_le(PG_FUNCTION_ARGS);
  82 extern Datum time_gt(PG_FUNCTION_ARGS);
  83 extern Datum time_ge(PG_FUNCTION_ARGS);
  84 extern Datum time_cmp(PG_FUNCTION_ARGS);
  85 extern Datum overlaps_time(PG_FUNCTION_ARGS);
  86 extern Datum time_larger(PG_FUNCTION_ARGS);
  87 extern Datum time_smaller(PG_FUNCTION_ARGS);
  88 extern Datum timestamp_time(PG_FUNCTION_ARGS);
  89 extern Datum time_interval(PG_FUNCTION_ARGS);
  90 extern Datum interval_time(PG_FUNCTION_ARGS);
  91 extern Datum text_time(PG_FUNCTION_ARGS);
  92 extern Datum time_text(PG_FUNCTION_ARGS);
  93 extern Datum time_pl_interval(PG_FUNCTION_ARGS);
  94 extern Datum time_mi_interval(PG_FUNCTION_ARGS);
  95 extern Datum interval_pl_time(PG_FUNCTION_ARGS);
  96
  97 extern Datum timetz_in(PG_FUNCTION_ARGS);
  98 extern Datum timetz_out(PG_FUNCTION_ARGS);
  99 extern Datum timetz_eq(PG_FUNCTION_ARGS);
 100 extern Datum timetz_ne(PG_FUNCTION_ARGS);
 101 extern Datum timetz_lt(PG_FUNCTION_ARGS);
 102 extern Datum timetz_le(PG_FUNCTION_ARGS);
 103 extern Datum timetz_gt(PG_FUNCTION_ARGS);
 104 extern Datum timetz_ge(PG_FUNCTION_ARGS);
 105 extern Datum timetz_cmp(PG_FUNCTION_ARGS);
 106 extern Datum timetz_hash(PG_FUNCTION_ARGS);
 107 extern Datum overlaps_timetz(PG_FUNCTION_ARGS);
 108 extern Datum timetz_larger(PG_FUNCTION_ARGS);
 109 extern Datum timetz_smaller(PG_FUNCTION_ARGS);
 110 extern Datum timestamp_timetz(PG_FUNCTION_ARGS);
 111 extern Datum datetimetz_timestamp(PG_FUNCTION_ARGS);
 112 extern Datum text_timetz(PG_FUNCTION_ARGS);
 113 extern Datum timetz_text(PG_FUNCTION_ARGS);
 114 extern Datum timetz_pl_interval(PG_FUNCTION_ARGS);
 115 extern Datum timetz_mi_interval(PG_FUNCTION_ARGS);
 116
 117 #endif   /* DATE_H */