From 8fe55efd7b88bc88f730fae72f177423edf755ac Mon Sep 17 00:00:00 2001
From: "Thomas G. Lockhart" <lockhart@fourpalms.org>
Date: Thu, 9 Oct 1997 05:02:17 +0000
Subject: [PATCH] Support special values 'now', 'current', etc on output.
---
src/backend/utils/adt/timestamp.c | 48 ++++++++++++++++---------------
1 file changed, 25 insertions(+), 23 deletions(-)
diff --git a/src/backend/utils/adt/timestamp.c b/src/backend/utils/adt/timestamp.c
index 691886658e1..fde86061cb6 100644
--- a/src/backend/utils/adt/timestamp.c
+++ b/src/backend/utils/adt/timestamp.c
@@ -29,13 +29,33 @@ timestamp_out(time_t timestamp)
char zone[MAXDATELEN + 1],
*tzn = zone;
- abstime2tm(timestamp, &tz, tm, tzn);
- EncodeDateTime(tm, fsec, &tz, &tzn, USE_ISO_DATES, buf);
-
+ switch (timestamp)
+ {
+ case EPOCH_ABSTIME:
+ strcpy(buf, EPOCH);
+ break;
+ case INVALID_ABSTIME:
+ strcpy(buf, INVALID);
+ break;
+ case CURRENT_ABSTIME:
+ strcpy(buf, DCURRENT);
+ break;
+ case NOEND_ABSTIME:
+ strcpy(buf, LATE);
+ break;
+ case NOSTART_ABSTIME:
+ strcpy(buf, EARLY);
+ break;
+ default:
+ abstime2tm(timestamp, &tz, tm, tzn);
+ EncodeDateTime(tm, fsec, &tz, &tzn, USE_ISO_DATES, buf);
+ break;
+ }
+
result = palloc(strlen(buf) + 1);
strcpy(result, buf);
return result;
-}
+} /* timestamp_out() */
time_t
now(void)
@@ -49,58 +69,40 @@ now(void)
bool
timestampeq(time_t t1, time_t t2)
{
-#if FALSE
- return(t1 == t2);
-#endif
return(abstimeeq(t1,t2));
}
bool
timestampne(time_t t1, time_t t2)
{
-#if FALSE
- return(t1 != t2);
-#endif
return(abstimene(t1,t2));
}
bool
timestamplt(time_t t1, time_t t2)
{
-#if FALSE
- return(t1 > t2);
-#endif
return(abstimelt(t1,t2));
}
bool
timestampgt(time_t t1, time_t t2)
{
-#if FALSE
- return(t1 < t2);
-#endif
return(abstimegt(t1,t2));
}
bool
timestample(time_t t1, time_t t2)
{
-#if FALSE
- return(t1 >= t2);
-#endif
return(abstimele(t1,t2));
}
bool
timestampge(time_t t1, time_t t2)
{
-#if FALSE
- return(t1 <= t2);
-#endif
return(abstimege(t1,t2));
}
-DateTime *
+DateTime *
timestamp_datetime(time_t timestamp)
{
DateTime *result;
--
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