Index: src/backend/utils/adt/datetime.c
===================================================================
RCS file: /home/neilc/postgres/cvs_root/pgsql/src/backend/utils/adt/datetime.c,v
retrieving revision 1.179
diff -p -c -r1.179 datetime.c
*** src/backend/utils/adt/datetime.c	27 May 2007 20:32:16 -0000	1.179
--- src/backend/utils/adt/datetime.c	28 May 2007 04:37:15 -0000
*************** DecodeInterval(char **field, int *ftype,
*** 2805,2810 ****
--- 2805,2811 ----
  #else
  						*fsec += (val + fval) * 1e-6;
  #endif
+ 						tmask = (fmask & DTK_M(SECOND)) ? 0 : DTK_M(SECOND);
  						break;
  
  					case DTK_MILLISEC:
*************** DecodeInterval(char **field, int *ftype,
*** 2813,2818 ****
--- 2814,2820 ----
  #else
  						*fsec += (val + fval) * 1e-3;
  #endif
+ 						tmask = (fmask & DTK_M(SECOND)) ? 0 : DTK_M(SECOND);
  						break;
  
  					case DTK_SECOND:
*************** DecodeInterval(char **field, int *ftype,
*** 2822,2828 ****
  #else
  						*fsec += fval;
  #endif
! 						tmask = DTK_M(SECOND);
  						break;
  
  					case DTK_MINUTE:
--- 2824,2830 ----
  #else
  						*fsec += fval;
  #endif
! 						tmask = (fmask & DTK_M(SECOND)) ? 0 : DTK_M(SECOND);
  						break;
  
  					case DTK_MINUTE: