Index: timetravel.c
===================================================================
RCS file: /projects/cvsroot/pgsql/contrib/spi/timetravel.c,v
retrieving revision 1.31
diff -r1.31 timetravel.c
19d18
< #include "utils/nabstime.h"
164,165c163,164
< 		if (SPI_gettypeid(tupdesc, attnum[i]) != ABSTIMEOID)
< 			elog(ERROR, "timetravel (%s): attribute %s must be of abstime type",
---
> 		if (SPI_gettypeid(tupdesc, attnum[i]) != TIMESTAMPTZOID)
> 			elog(ERROR, "timetravel (%s): attribute %s must be of type 'timestamp with time zone'",
193c192
< 			newvals[chnattrs] = GetCurrentAbsoluteTime();
---
> 			newvals[chnattrs] = GetCurrentTimestamp();
202,203c201,202
< 			if ((chnattrs == 0 && DatumGetInt32(oldtimeon) >= NOEND_ABSTIME) ||
< 				(chnattrs > 0 && DatumGetInt32(newvals[a_time_on]) >= NOEND_ABSTIME))
---
> 			if ((chnattrs == 0 && timestamptz_cmp_internal(DatumGetTimestampTz(oldtimeon), DT_NOEND) >= 0) ||
> 				(chnattrs > 0 && timestamptz_cmp_internal(DatumGetTimestampTz(newvals[a_time_on]), DT_NOEND) >= 0))
205c204
< 			newvals[chnattrs] = NOEND_ABSTIME;
---
> 			newvals[chnattrs] = DT_NOEND;
212,213c211,212
< 			if ((chnattrs == 0 && DatumGetInt32(oldtimeon) > DatumGetInt32(oldtimeoff)) ||
< 				(chnattrs > 0 && DatumGetInt32(newvals[a_time_on]) > DatumGetInt32(oldtimeoff)))
---
> 			if ((chnattrs == 0 && timestamptz_cmp_internal(DatumGetTimestampTz(oldtimeon), DatumGetTimestampTz(oldtimeoff)) > 0) ||
> 				(chnattrs > 0 && timestamptz_cmp_internal(DatumGetTimestampTz(newvals[a_time_on]), DatumGetTimestampTz(oldtimeoff)) > 0))
271c270
< 	if (oldtimeoff != NOEND_ABSTIME)
---
> 	if (oldtimeoff != DT_NOEND)
277c276
< 	newtimeoff = GetCurrentAbsoluteTime();
---
> 	newtimeoff = GetCurrentTimestamp();
377c376
< 		newvals[chnattrs] = NOEND_ABSTIME;
---
> 		newvals[chnattrs] = DT_NOEND;