From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Wed, 20 Apr 2005 17:14:58 +0000 (+0000)
Subject: Fix mis-display of negative fractional seconds in interval values for
X-Git-Tag: REL8_0_3~34
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=25bd3019e0e47bf36bb4ac203cf09f315b5dfac2;p=postgresql

Fix mis-display of negative fractional seconds in interval values for
--enable-integer-datetimes case.  Per report from Oliver Siegmar.
---

diff --git a/src/backend/utils/adt/datetime.c b/src/backend/utils/adt/datetime.c
index 47dc28d132..ae85fcaf30 100644
--- a/src/backend/utils/adt/datetime.c
+++ b/src/backend/utils/adt/datetime.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/adt/datetime.c,v 1.137 2005/01/11 18:33:45 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/adt/datetime.c,v 1.137.4.1 2005/04/20 17:14:58 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -3883,17 +3883,25 @@ EncodeInterval(struct pg_tm * tm, fsec_t fsec, int style, char *str)
 			/* fractional seconds? */
 			if (fsec != 0)
 			{
+				fsec_t		sec;
+
 #ifdef HAVE_INT64_TIMESTAMP
+				sec = fsec;
 				if (is_before || ((!is_nonzero) && (tm->tm_sec < 0)))
+				{
 					tm->tm_sec = -tm->tm_sec;
+					sec = -sec;
+					is_before = TRUE;
+				}
+				else if ((!is_nonzero) && (tm->tm_sec == 0) && (fsec < 0))
+				{
+					sec = -sec;
+					is_before = TRUE;
+				}
 				sprintf(cp, "%s%d.%02d secs", (is_nonzero ? " " : ""),
-						tm->tm_sec, (((int) fsec) / 10000));
+						tm->tm_sec, (((int) sec) / 10000));
 				cp += strlen(cp);
-				if (!is_nonzero)
-					is_before = (fsec < 0);
 #else
-				fsec_t		sec;
-
 				fsec += tm->tm_sec;
 				sec = fsec;
 				if (is_before || ((!is_nonzero) && (fsec < 0)))
@@ -3905,9 +3913,8 @@ EncodeInterval(struct pg_tm * tm, fsec_t fsec, int style, char *str)
 					is_before = (fsec < 0);
 #endif
 				is_nonzero = TRUE;
-
-				/* otherwise, integer seconds only? */
 			}
+			/* otherwise, integer seconds only? */
 			else if (tm->tm_sec != 0)
 			{
 				int			sec = tm->tm_sec;