--- timetravel.c.prev	2003-06-27 19:56:40.000000000 +0200
+++ timetravel.c	2003-09-02 14:53:21.000000000 +0200
@@ -306,7 +306,7 @@
 		void	*pplan;
 		Oid	*ctypes;
 		char	sql[8192];
-		int	j;
+		char	separ=' ';
 
 		/* allocate ctypes for preparation */
 		ctypes = (Oid *) palloc(natts * sizeof(Oid));
@@ -319,11 +319,12 @@
 		{
 			ctypes[i - 1] = SPI_gettypeid(tupdesc, i);
 			if(!(tupdesc->attrs[i - 1]->attisdropped))	/* skip dropped columns */
-			    snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), "$%d%s",
-					i, (i < natts) ? ", " : ")" );
-//			    snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), "$%d /* %d */ %s",
-//					i, ctypes[i-1], (i < natts) ? ", " : ")" );
+			{
+			    snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), "%c$%d", separ,i);
+			    separ = ',';
+			}
 		}
+		snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), ")");
 
 //		elog(NOTICE, "timetravel (%s) update: sql: %s", relname, sql);