--- postgresql-8.0.0/src/include/access/relscan.h	2004-12-31 14:03:21.000000000 -0800
+++ postgresql-8.0.0-ss/src/include/access/relscan.h	2005-02-25 17:37:54.398197789 -0800
@@ -34,6 +34,7 @@
 	ItemPointerData rs_mctid;	/* marked scan position, if any */
 
 	PgStat_Info rs_pgstat_info; /* statistics collector hook */
+        BlockNumber rs_start_page; /* page where this scan started */
 } HeapScanDescData;
 
 typedef HeapScanDescData *HeapScanDesc;