Fix overflow for INTERVAL 'x ms' where x is more than a couple million,

and integer datetimes are in use.  Per bug report from Hubert Depesz
Lubaczewski.

Alex Hunsaker
This commit is contained in:
Tom Lane 2009-08-18 21:23:50 +00:00
parent 484fe41884
commit 68dfd1de9e

View file

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/datetime.c,v 1.137.4.9 2009/05/01 19:29:34 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/datetime.c,v 1.137.4.10 2009/08/18 21:23:50 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -3103,6 +3103,9 @@ DecodeInterval(char **field, int *ftype, int nf, int *dtype, struct pg_tm * tm,
break;
case DTK_MILLISEC:
/* avoid overflowing the fsec field */
tm->tm_sec += val / 1000;
val -= (val / 1000) * 1000;
#ifdef HAVE_INT64_TIMESTAMP
*fsec += ((val + fval) * 1000);
#else