Changeset: d7c2f5b1eafa for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=d7c2f5b1eafa
Modified Files:
gdk/gdk_batop.mx
Branch: Mar2011
Log Message:
Fix for antiselect.
The bug can be triggered by doing (in SQL):
select * from t where x not between y and y;
this should return all values not equal to y (and not nil), but it
returned all values including y (but still no nil).
diffs (18 lines):
diff --git a/gdk/gdk_batop.mx b/gdk/gdk_batop.mx
--- a/gdk/gdk_batop.mx
+++ b/gdk/gdk_batop.mx
@@ -1058,12 +1058,9 @@
} else {
hval = ATOMcmp(t, th, nil);
}
- if (equi && nequi) {
+ if (nequi) {
equi = 0;
- li = !li;
- hi = !hi;
- } else if (nequi) { /* swap sub-ranges */
- if (!lval || !hval) {
+ if (!lval || !hval) { /* swap sub-ranges */
ptr tv;
bit ti;
ti = li;
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