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Fix timestamptz_in so that parsing of 'now'::timestamptz gives right

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answer when SET TIMEZONE has been done since the start of the current
transaction.  Per bug report from Robert Haas.
I plan some futher cleanup in HEAD, but this is a low-risk patch for
the immediate issue in 7.3.
This commit is contained in:
Tom Lane
2003-02-20 05:25:25 +00:00
parent d1bb0db8dd
commit 2bba78d605
3 changed files with 10 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/backend/utils/adt/datetime.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/datetime.c,v 1.96.2.3 2003/01/29 01:09:03 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/datetime.c,v 1.96.2.4 2003/02/20 05:25:24 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1242,9 +1242,7 @@ DecodeDateTime(char **field, int *ftype, int nf,
case DTK_NOW:
tmask = (DTK_DATE_M | DTK_TIME_M | DTK_M(TZ));
*dtype = DTK_DATE;
GetCurrentTimeUsec(tm, fsec);
if (tzp != NULL)
*tzp = CTimeZone;
GetCurrentTimeUsec(tm, fsec, tzp);
break;
case DTK_YESTERDAY:
@@ -1958,7 +1956,7 @@ DecodeTimeOnly(char **field, int *ftype, int nf,
case DTK_NOW:
tmask = DTK_TIME_M;
*dtype = DTK_TIME;
GetCurrentTimeUsec(tm, fsec);
GetCurrentTimeUsec(tm, fsec, NULL);
break;
case DTK_ZULU:

11
src/backend/utils/adt/nabstime.c
View File

@@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/nabstime.c,v 1.100.2.2 2002/12/12 19:17:04 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/nabstime.c,v 1.100.2.3 2003/02/20 05:25:24 tgl Exp $
*
* NOTES
*
@@ -243,25 +243,24 @@ GetCurrentDateTime(struct tm * tm)
int tz;
abstime2tm(GetCurrentTransactionStartTime(), &tz, tm, NULL);
return;
} /* GetCurrentDateTime() */
void
GetCurrentTimeUsec(struct tm * tm, fsec_t *fsec)
GetCurrentTimeUsec(struct tm * tm, fsec_t *fsec, int *tzp)
{
int tz;
int usec;
abstime2tm(GetCurrentTransactionStartTimeUsec(&usec), &tz, tm, NULL);
/* Note: don't pass NULL tzp directly to abstime2tm */
if (tzp != NULL)
*tzp = tz;
#ifdef HAVE_INT64_TIMESTAMP
*fsec = usec;
#else
*fsec = usec * 1.0e-6;
#endif
return;
} /* GetCurrentTimeUsec() */

4
src/include/utils/datetime.h
View File

@@ -9,7 +9,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: datetime.h,v 1.33.2.1 2003/01/16 00:27:17 tgl Exp $
* $Id: datetime.h,v 1.33.2.2 2003/02/20 05:25:25 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -261,7 +261,7 @@ extern int day_tab[2][13];
extern void GetCurrentDateTime(struct tm * tm);
extern void GetCurrentTimeUsec(struct tm * tm, fsec_t *fsec);
extern void GetCurrentTimeUsec(struct tm * tm, fsec_t *fsec, int *tzp);
extern void j2date(int jd, int *year, int *month, int *day);
extern int date2j(int year, int month, int day);