Update of /cvsroot/monetdb/pathfinder/compiler/algebra
In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv8491/algebra
Modified Files:
Tag: XQuery_0-22
physical.c
Log Message:
-- Take Stefans advice into account and do not guarantee any order for the
semijoin operator.
Index: physical.c
===================================================================
RCS file: /cvsroot/monetdb/pathfinder/compiler/algebra/physical.c,v
retrieving revision 1.55.2.1
retrieving revision 1.55.2.2
diff -u -d -r1.55.2.1 -r1.55.2.2
--- physical.c 20 Feb 2008 15:05:22 -0000 1.55.2.1
+++ physical.c 20 Feb 2008 16:06:04 -0000 1.55.2.2
@@ -716,12 +716,7 @@
ret->schema.items[i] = n1->schema.items[i];
/* ---- SemiJoin: orderings ---- */
-
- /*
- * kintersect (the MIL implementation) preserves the
- * ordering of the right operand.
- */
- ret->orderings = PFord_unique (n2->orderings);
+ ret->orderings = PFord_set ();
/* ---- SemiJoin: costs ---- */
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