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/*------------------------------------------------------------------------- * * date.h * Definitions for the SQL "date" and "time" types. * * * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/utils/date.h * *------------------------------------------------------------------------- */ #ifndef DATE_H #define DATE_H #include <math.h> #include "fmgr.h" typedef int32 DateADT; #ifdef HAVE_INT64_TIMESTAMP typedef int64 TimeADT; #else typedef float8 TimeADT; #endif typedef struct { TimeADT time; /* all time units other than months and years */ int32 zone; /* numeric time zone, in seconds */ } TimeTzADT; /* * Infinity and minus infinity must be the max and min values of DateADT. */ #define DATEVAL_NOBEGIN ((DateADT) PG_INT32_MIN) #define DATEVAL_NOEND ((DateADT) PG_INT32_MAX) #define DATE_NOBEGIN(j) ((j) = DATEVAL_NOBEGIN) #define DATE_IS_NOBEGIN(j) ((j) == DATEVAL_NOBEGIN) #define DATE_NOEND(j) ((j) = DATEVAL_NOEND) #define DATE_IS_NOEND(j) ((j) == DATEVAL_NOEND) #define DATE_NOT_FINITE(j) (DATE_IS_NOBEGIN(j) || DATE_IS_NOEND(j)) /* * Macros for fmgr-callable functions. * * For TimeADT, we make use of the same support routines as for float8 or int64. * Therefore TimeADT is pass-by-reference if and only if float8 or int64 is! */ #ifdef HAVE_INT64_TIMESTAMP #define MAX_TIME_PRECISION 6 #define DatumGetDateADT(X) ((DateADT) DatumGetInt32(X)) #define DatumGetTimeADT(X) ((TimeADT) DatumGetInt64(X)) #define DatumGetTimeTzADTP(X) ((TimeTzADT *) DatumGetPointer(X)) #define DateADTGetDatum(X) Int32GetDatum(X) #define TimeADTGetDatum(X) Int64GetDatum(X) #define TimeTzADTPGetDatum(X) PointerGetDatum(X) #else /* !HAVE_INT64_TIMESTAMP */ #define MAX_TIME_PRECISION 10 /* round off to MAX_TIME_PRECISION decimal places */ #define TIME_PREC_INV 10000000000.0 #define TIMEROUND(j) (rint(((double) (j)) * TIME_PREC_INV) / TIME_PREC_INV) #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) #endif /* HAVE_INT64_TIMESTAMP */ #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 double date2timestamp_no_overflow(DateADT dateVal); extern void EncodeSpecialDate(DateADT dt, char *str); extern Datum date_in(PG_FUNCTION_ARGS); extern Datum date_out(PG_FUNCTION_ARGS); extern Datum date_recv(PG_FUNCTION_ARGS); extern Datum date_send(PG_FUNCTION_ARGS); extern Datum make_date(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_sortsupport(PG_FUNCTION_ARGS); extern Datum date_finite(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_eq_timestamp(PG_FUNCTION_ARGS); extern Datum date_ne_timestamp(PG_FUNCTION_ARGS); extern Datum date_lt_timestamp(PG_FUNCTION_ARGS); extern Datum date_le_timestamp(PG_FUNCTION_ARGS); extern Datum date_gt_timestamp(PG_FUNCTION_ARGS); extern Datum date_ge_timestamp(PG_FUNCTION_ARGS); extern Datum date_cmp_timestamp(PG_FUNCTION_ARGS); extern Datum date_eq_timestamptz(PG_FUNCTION_ARGS); extern Datum date_ne_timestamptz(PG_FUNCTION_ARGS); extern Datum date_lt_timestamptz(PG_FUNCTION_ARGS); extern Datum date_le_timestamptz(PG_FUNCTION_ARGS); extern Datum date_gt_timestamptz(PG_FUNCTION_ARGS); extern Datum date_ge_timestamptz(PG_FUNCTION_ARGS); extern Datum date_cmp_timestamptz(PG_FUNCTION_ARGS); extern Datum timestamp_eq_date(PG_FUNCTION_ARGS); extern Datum timestamp_ne_date(PG_FUNCTION_ARGS); extern Datum timestamp_lt_date(PG_FUNCTION_ARGS); extern Datum timestamp_le_date(PG_FUNCTION_ARGS); extern Datum timestamp_gt_date(PG_FUNCTION_ARGS); extern Datum timestamp_ge_date(PG_FUNCTION_ARGS); extern Datum timestamp_cmp_date(PG_FUNCTION_ARGS); extern Datum timestamptz_eq_date(PG_FUNCTION_ARGS); extern Datum timestamptz_ne_date(PG_FUNCTION_ARGS); extern Datum timestamptz_lt_date(PG_FUNCTION_ARGS); extern Datum timestamptz_le_date(PG_FUNCTION_ARGS); extern Datum timestamptz_gt_date(PG_FUNCTION_ARGS); extern Datum timestamptz_ge_date(PG_FUNCTION_ARGS); extern Datum timestamptz_cmp_date(PG_FUNCTION_ARGS); extern Datum date_pl_interval(PG_FUNCTION_ARGS); extern Datum date_mi_interval(PG_FUNCTION_ARGS); extern Datum date_timestamp(PG_FUNCTION_ARGS); extern Datum timestamp_date(PG_FUNCTION_ARGS); extern Datum date_timestamptz(PG_FUNCTION_ARGS); extern Datum timestamptz_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_recv(PG_FUNCTION_ARGS); extern Datum time_send(PG_FUNCTION_ARGS); extern Datum timetypmodin(PG_FUNCTION_ARGS); extern Datum timetypmodout(PG_FUNCTION_ARGS); extern Datum make_time(PG_FUNCTION_ARGS); extern Datum time_transform(PG_FUNCTION_ARGS); extern Datum time_scale(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 time_hash(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 time_mi_time(PG_FUNCTION_ARGS); extern Datum timestamp_time(PG_FUNCTION_ARGS); extern Datum timestamptz_time(PG_FUNCTION_ARGS); extern Datum time_interval(PG_FUNCTION_ARGS); extern Datum interval_time(PG_FUNCTION_ARGS); extern Datum time_pl_interval(PG_FUNCTION_ARGS); extern Datum time_mi_interval(PG_FUNCTION_ARGS); extern Datum time_part(PG_FUNCTION_ARGS); extern Datum timetz_in(PG_FUNCTION_ARGS); extern Datum timetz_out(PG_FUNCTION_ARGS); extern Datum timetz_recv(PG_FUNCTION_ARGS); extern Datum timetz_send(PG_FUNCTION_ARGS); extern Datum timetztypmodin(PG_FUNCTION_ARGS); extern Datum timetztypmodout(PG_FUNCTION_ARGS); extern Datum timetz_scale(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 timetz_time(PG_FUNCTION_ARGS); extern Datum time_timetz(PG_FUNCTION_ARGS); extern Datum timestamptz_timetz(PG_FUNCTION_ARGS); extern Datum datetimetz_timestamptz(PG_FUNCTION_ARGS); extern Datum timetz_part(PG_FUNCTION_ARGS); extern Datum timetz_zone(PG_FUNCTION_ARGS); extern Datum timetz_izone(PG_FUNCTION_ARGS); extern Datum timetz_pl_interval(PG_FUNCTION_ARGS); extern Datum timetz_mi_interval(PG_FUNCTION_ARGS); #endif /* DATE_H */