Update of /cvsroot/monetdb/pathfinder/modules/pftijah
In directory sfp-cvsdas-1.v30.ch3.sourceforge.com:/tmp/cvs-serv26775
Modified Files:
pftijah.mx
Log Message:
- execute simple ftfun operations in one tijah query to speedup execution
Index: pftijah.mx
===================================================================
RCS file: /cvsroot/monetdb/pathfinder/modules/pftijah/pftijah.mx,v
retrieving revision 1.250
retrieving revision 1.251
diff -u -d -r1.250 -r1.251
--- pftijah.mx 18 Jan 2010 13:50:29 -0000 1.250
+++ pftijah.mx 28 Jan 2010 09:54:01 -0000 1.251
@@ -3222,7 +3222,7 @@
GDKerror("ALG_tj_ftfun_handler: options not implemented yet");
if ( has_ign )
GDKerror("ALG_tj_ftfun_handler: ignores not implemented yet");
-
+ var single_val_opt := (pfop_query.fetch(1...@0).tunique().count_wrd() =
wrd(1));
par_l...@batloop() {
var iter_tjPre;
var ftc_term := pfop_query.fetch(1...@0).fetch(int($h));
@@ -3233,7 +3233,8 @@
var err := CATCH({
var sn_iter := pfop_sn.fetch(0...@0);
var sn_iteration := pfop_query.fetch(0...@0).fetch(int($h));
- sn_iter := sn_iter.select(sn_iteration);
+ if ( not(single_val_opt) )
+ sn_iter := sn_iter.select(sn_iteration);
var sn_item := pfop_sn.fetch(1...@0).semijoin(sn_iter);
var sn_kind := pfop_sn.fetch(2...@0).semijoin(sn_iter);
@@ -3268,6 +3269,9 @@
});
lock_unset(tijah_lock);
if (not(isnil(err))) ERROR(err);
+
+ if ( single_val_opt )
+ break;
}
var result_item_b;
result_iter := pfop_sn.fetch(0...@0);
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