Changeset: e8911bff274a for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=e8911bff274a
Modified Files:
MonetDB/src/gdk/gdk_relop.mx
Branch: Oct2010
Log Message:
BATfetchsemijoin now handles void - empty index bats
diffs (18 lines):
diff -r e34c2647febc -r e8911bff274a MonetDB/src/gdk/gdk_relop.mx
--- a/MonetDB/src/gdk/gdk_relop.mx Thu Sep 16 23:21:54 2010 +0200
+++ b/MonetDB/src/gdk/gdk_relop.mx Thu Sep 16 23:22:38 2010 +0200
@@ -2268,12 +2268,12 @@
if (!BAThdense(r)) {
GDKerror("BATfetchsemijoin: left column must be
dense.\n");
return NULL;
- } else if (ATOMstorage(l->htype) != ATOMstorage(TYPE_oid)) {
+ } else if (BATcount(l) && ATOMstorage(l->htype) !=
ATOMstorage(TYPE_oid)) {
GDKerror("BATfetchsemijoin: illegal index type %s.\n",
ATOMname(l->htype));
return NULL;
}
}
- if (BAThvoid(l)) {
+ if (BATcount(l) && BAThvoid(l)) {
/* redirect semijoin on two dense regions to a select (and
hence to BATslice) */
oid min = l->hseqbase, max = min;
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