Update of /cvsroot/monetdb/pathfinder/modules/pftijah
In directory sc8-pr-cvs7.sourceforge.net:/tmp/cvs-serv6508/pftijah
Modified Files:
Tag: XQuery_0-16
pftijah.mx
Log Message:
use stable sort to keep Tag and Term indices sorted on both (tag/term and
pre-ides). This gives queries in large documents atleast a 10 fault
performance improvement.
Index: pftijah.mx
===================================================================
RCS file: /cvsroot/monetdb/pathfinder/modules/pftijah/pftijah.mx,v
retrieving revision 1.92.2.12
retrieving revision 1.92.2.13
diff -u -d -r1.92.2.12 -r1.92.2.13
--- pftijah.mx 19 Feb 2007 15:27:38 -0000 1.92.2.12
+++ pftijah.mx 20 Feb 2007 19:00:33 -0000 1.92.2.13
@@ -1061,7 +1061,7 @@
var tids := bat("tj_globalTags").select(name);
if (tids.count() = 0) return new(oid,dbl);
var tid := tids.reverse().fetch(0);
- var result := indexfetchjoin( new(int,oid).insert(0,tid),
+ var result := indexfetchjoin( new(void,oid).append(tid).seqbase(oid(0)),
bat("tj_" + collName + "_TagIndex"),
bat("tj_" + collName + "_Tags") );
result := result.reverse().sort().project(dbl(scoreBase));
@@ -1512,7 +1512,7 @@
if ( trace ) tj_trace( "END p_containing_q_NLLR_frag" );
var t2 := time();
if (timing) printf("# p_containing_q_NLLR_frag(): total time: %d\n", t2 -
t1);
-
+
return res;
}
@@ -2568,7 +2568,7 @@
else # create new index
{
var tmp := tids.kdiff(bat("tj_" + collName + "_pfpre"));
- tmp := tmp.reverse().sort();
+ tmp := tmp.reverse().ssort();
var termindex := tmp.hmark([EMAIL
PROTECTED]).offsetindex(bat("tj_globalTerms").count() + 1);
var terms := tmp.tmark([EMAIL PROTECTED]);
# create _TermIndex and _Terms here
@@ -2584,7 +2584,7 @@
commit();
tmp := tids.semijoin(bat("tj_" + collName + "_pfpre"));
- tmp := tmp.reverse().sort();
+ tmp := tmp.reverse().ssort();
var tagindex := tmp.hmark([EMAIL
PROTECTED]).offsetindex(bat("tj_globalTags").count() + 1);
var tags := tmp.tmark([EMAIL PROTECTED]);
# create _Tags and _Tagindex here
-------------------------------------------------------------------------
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