Update of /cvsroot/monetdb/pathfinder/runtime
In directory sc8-pr-cvs16:/tmp/cvs-serv6210
Modified Files:
ll_upwards.mx
Log Message:
When you have a multi-document collection, also use the speculate_skip
code to make big jumps.
So far this has been tested on a single query...
Index: ll_upwards.mx
===================================================================
RCS file: /cvsroot/monetdb/pathfinder/runtime/ll_upwards.mx,v
retrieving revision 1.20
retrieving revision 1.21
diff -u -d -r1.20 -r1.21
--- ll_upwards.mx 23 Feb 2007 12:51:42 -0000 1.20
+++ ll_upwards.mx 19 Apr 2007 14:11:13 -0000 1.21
@@ -192,15 +192,7 @@
pre = skipholes(pre+1, pre_size);
if (depth == XML_DEPTH_MAX || pre > limit) break; /* SANITY */
- } else if (depth == 0) {
-
- /* enter another fragment */
- pre = skipholes(pre+1+pre_size[pre], pre_size);
- if (pre > limit) break; /* SANITY */
- root = pre;
-
-
- } else if (context[cur].pre <= stack[depth-1] +
pre_size[stack[depth-1]]) {
+ } else if (depth == 0 || context[cur].pre <= stack[depth-1] +
pre_size[stack[depth-1]]) {
oid off = pre;
int budget = PF_SIBLING_PROBES;
int cnt = 0;
@@ -218,6 +210,8 @@
off = pre; cnt = 0;
}
}
+ if (depth == 0)
+ root = pre;
} else {
/* pop the stack */
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