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Diffstat (limited to 'src/include/utils/nabstime.h')
-rw-r--r-- | src/include/utils/nabstime.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/src/include/utils/nabstime.h b/src/include/utils/nabstime.h deleted file mode 100644 index 293a49f022e..00000000000 --- a/src/include/utils/nabstime.h +++ /dev/null @@ -1,103 +0,0 @@ -/*------------------------------------------------------------------------- - * - * nabstime.h - * Definitions for the "new" abstime code. - * - * - * Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group - * Portions Copyright (c) 1994, Regents of the University of California - * - * src/include/utils/nabstime.h - * - *------------------------------------------------------------------------- - */ -#ifndef NABSTIME_H -#define NABSTIME_H - -#include <limits.h> - -#include "fmgr.h" -#include "pgtime.h" - - -/* ---------------------------------------------------------------- - * - * time types + support macros - * - * ---------------------------------------------------------------- - */ - -/* - * Although time_t generally is a long int on 64 bit systems, these two - * types must be 4 bytes, because that's what pg_type.h assumes. They - * should be yanked (long) before 2038 and be replaced by timestamp and - * interval. - */ -typedef int32 AbsoluteTime; -typedef int32 RelativeTime; - -typedef struct -{ - int32 status; - AbsoluteTime data[2]; -} TimeIntervalData; - -typedef TimeIntervalData *TimeInterval; - -/* - * Macros for fmgr-callable functions. - */ -#define DatumGetAbsoluteTime(X) ((AbsoluteTime) DatumGetInt32(X)) -#define DatumGetRelativeTime(X) ((RelativeTime) DatumGetInt32(X)) -#define DatumGetTimeInterval(X) ((TimeInterval) DatumGetPointer(X)) - -#define AbsoluteTimeGetDatum(X) Int32GetDatum(X) -#define RelativeTimeGetDatum(X) Int32GetDatum(X) -#define TimeIntervalGetDatum(X) PointerGetDatum(X) - -#define PG_GETARG_ABSOLUTETIME(n) DatumGetAbsoluteTime(PG_GETARG_DATUM(n)) -#define PG_GETARG_RELATIVETIME(n) DatumGetRelativeTime(PG_GETARG_DATUM(n)) -#define PG_GETARG_TIMEINTERVAL(n) DatumGetTimeInterval(PG_GETARG_DATUM(n)) - -#define PG_RETURN_ABSOLUTETIME(x) return AbsoluteTimeGetDatum(x) -#define PG_RETURN_RELATIVETIME(x) return RelativeTimeGetDatum(x) -#define PG_RETURN_TIMEINTERVAL(x) return TimeIntervalGetDatum(x) - -/* - * Reserved values - * Epoch is Unix system time zero, but needs to be kept as a reserved - * value rather than converting to time since timezone calculations - * might move it away from 1970-01-01 00:00:00Z - tgl 97/02/20 - * - * Pre-v6.1 code had large decimal numbers for reserved values. - * These were chosen as special 32-bit bit patterns, - * so redefine them explicitly using these bit patterns. - tgl 97/02/24 - */ -#define INVALID_ABSTIME ((AbsoluteTime) 0x7FFFFFFE) /* 2147483647 (2^31 - 1) */ -#define NOEND_ABSTIME ((AbsoluteTime) 0x7FFFFFFC) /* 2147483645 (2^31 - 3) */ -#define NOSTART_ABSTIME ((AbsoluteTime) INT_MIN) /* -2147483648 */ - -#define INVALID_RELTIME ((RelativeTime) 0x7FFFFFFE) /* 2147483647 (2^31 - 1) */ - -#define AbsoluteTimeIsValid(time) \ - ((bool) ((time) != INVALID_ABSTIME)) - -/* - * Because NOSTART_ABSTIME is defined as INT_MIN, there can't be any - * AbsoluteTime values less than it. Therefore, we can code the test - * "time > NOSTART_ABSTIME" as "time != NOSTART_ABSTIME", which avoids - * compiler bugs on some platforms. --- tgl & az, 11/2000 - */ -#define AbsoluteTimeIsReal(time) \ - ((bool) (((AbsoluteTime) (time)) < NOEND_ABSTIME && \ - ((AbsoluteTime) (time)) != NOSTART_ABSTIME)) - -#define RelativeTimeIsValid(time) \ - ((bool) (((RelativeTime) (time)) != INVALID_RELTIME)) - - -/* non-fmgr-callable support routines */ -extern AbsoluteTime GetCurrentAbsoluteTime(void); -extern void abstime2tm(AbsoluteTime time, int *tzp, struct pg_tm *tm, char **tzn); - -#endif /* NABSTIME_H */ |