Changeset: 21ea89ae3a17 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=21ea89ae3a17
Modified Files:
MonetDB/src/gdk/gdk_relop.mx
MonetDB/src/gdk/gdk_search.mx
Branch: default
Log Message:
merge from Jun2010
diffs (32 lines):
diff -r 98b9327fd486 -r 21ea89ae3a17 MonetDB/src/gdk/gdk_relop.mx
--- a/MonetDB/src/gdk/gdk_relop.mx Wed Aug 11 09:57:20 2010 +0200
+++ b/MonetDB/src/gdk/gdk_relop.mx Wed Aug 11 10:07:02 2010 +0200
@@ -1251,10 +1251,12 @@
lcount = BATcount(l);
rcount = BATcount(r);
- if (lcount == 0 || rcount == 0) {
+ if (lcount == 0 || rcount == 0 ||
+ (l->ttype == TYPE_void && l->tseqbase == oid_nil) ||
+ (r->htype == TYPE_void && r->hseqbase == oid_nil)) {
BAT *bn;
- @:return_empty_join_result(l,r, BATjoin: |l|==0 or |r|==0,0)@
+ @:return_empty_join_result(l,r, BATjoin: |l|==0 or |r|==0 or
tail(l)==NIL or head(r)==NIL,0)@
}
@-
collect statistics that help us decide what to do
diff -r 98b9327fd486 -r 21ea89ae3a17 MonetDB/src/gdk/gdk_search.mx
--- a/MonetDB/src/gdk/gdk_search.mx Wed Aug 11 09:57:20 2010 +0200
+++ b/MonetDB/src/gdk/gdk_search.mx Wed Aug 11 10:07:02 2010 +0200
@@ -394,6 +394,10 @@
cnt = BATcapacity(b);
if (b->htype == TYPE_void) {
+ if (b->hseqbase == oid_nil) {
+ ALGODEBUG THRprintf(GDKout, "#BAThash: cannot
create hash-table on void column.\n");
+ return NULL;
+ }
ALGODEBUG THRprintf(GDKout, "#BAThash: creating
hash-table on void column..\n");
tpe = TYPE_void;
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