diff -ur src/modules/Postgres.orig/pg_types.h src/modules/Postgres/pg_types.h
--- src/modules/Postgres.orig/pg_types.h	Thu Jan 19 18:05:57 2006
+++ src/modules/Postgres/pg_types.h	Thu Jan 19 16:48:07 2006
@@ -25,6 +25,7 @@
 	int dofetch;
 	int docommit;
 	int lastcommit;
+	int last_rows;
 #ifdef PQ_THREADSAFE
         PIKE_MUTEX_T mutex;
 #endif
diff -ur src/modules/Postgres.orig/postgres.c src/modules/Postgres/postgres.c
--- src/modules/Postgres.orig/postgres.c	Thu Jan 19 18:05:57 2006
+++ src/modules/Postgres/postgres.c	Thu Jan 19 17:49:56 2006
@@ -90,6 +90,7 @@
 	THIS->docommit=0;
 	THIS->dofetch=0;
 	THIS->lastcommit=0;
+	THIS->last_rows=-1;
 #ifdef PQ_THREADSAFE
 	mt_init(&THIS->mutex);
 #endif
@@ -554,6 +555,7 @@
 		case PGRES_COMMAND_OK:
 			pgdebug("\tOk.\n");
 			THIS->last_result=NULL;
+			THIS->last_rows=atoi(PQcmdTuples(res));
 			PQclear(res);
 			push_int(0);
 			return;
@@ -571,13 +573,14 @@
 		case PGRES_TUPLES_OK:
 			pgdebug("\tResult.\n");
 			THIS->last_result=res;
+			THIS->last_rows=PQntuples(res);
 			push_object(this_object());
 			push_object(clone_object(pgresult_program,1));
 			return;
 		default:
 			Pike_error ("Unimplemented server feature.\n");
 	}
-	Pike_error ("Internal error in postgresmodule.\n");
+	Pike_error ("Internal error in postgres module.\n");
 }
 
 
@@ -730,6 +733,17 @@
 	Pike_error ("Bad connection.\n");
 }
 
+/*! @decl int affected_rows()
+ *!
+ *! This function returns the number of rows affected by the last query.
+ */
+
+static void f_affected_rows (INT32 args)
+{
+	check_all_args("Postgres->affected_rows",args,0);
+	push_int(THIS->last_rows);
+}
+
 /*! @endclass
  *!
  *! @endmodule
@@ -764,6 +778,9 @@
 
   /* function(void:string) */
   ADD_FUNCTION("host_info", f_host_info,tFunc(tVoid,tStr), 0);
+
+  /* function(void:int) */
+  ADD_FUNCTION("affected_rows", f_affected_rows,tFunc(tVoid,tInt), 0);
 
   /* postgres-specific functions */
   /* function(void:void) */