Update of /cvsroot/monetdb/pathfinder/runtime
In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv22114
Modified Files:
pf_support.mx
Log Message:
no need to sort an already [item,iter] (i.e., iter|item) ordered input to
loop-lifted path-step routines
Index: pf_support.mx
===================================================================
RCS file: /cvsroot/monetdb/pathfinder/runtime/pf_support.mx,v
retrieving revision 1.254
retrieving revision 1.255
diff -u -d -r1.254 -r1.255
--- pf_support.mx 25 Jul 2007 13:17:16 -0000 1.254
+++ pf_support.mx 26 Jul 2007 10:42:16 -0000 1.255
@@ -1568,7 +1568,7 @@
@
@= pre_sort_input
# pre-sort input
- if ( and(order,1) = 0 ) {
+ if ( (and(order,1) = 0) and not(ordered(reverse(item)))) {
var ord := item.tsort();
ord := ord.CTrefine(iter).mark([EMAIL PROTECTED]).reverse();
iter := ord.leftfetchjoin(iter);
-------------------------------------------------------------------------
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