Changeset: 6a8d0c1a169d for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=6a8d0c1a169d
Modified Files:
gdk/gdk_batop.c
Branch: Jun2016
Log Message:
Don't remove hash if we need it for keeping values unique.
diffs (17 lines):
diff --git a/gdk/gdk_batop.c b/gdk/gdk_batop.c
--- a/gdk/gdk_batop.c
+++ b/gdk/gdk_batop.c
@@ -431,8 +431,11 @@ BATappend(BAT *b, BAT *n, bit force)
return GDK_FAIL;
}
- /* if growing too much, remove the hash, else we maintain it */
- if (BATcheckhash(b) && (2 * b->T->hash->mask) < (BATcount(b) + sz)) {
+ /* if growing too much (and we don't need the hash for
+ * uniqueness), remove the hash, else we maintain it */
+ if (BATcheckhash(b) &&
+ (2 * b->T->hash->mask) < (BATcount(b) + sz) &&
+ (b->tkey & BOUND2BTRUE) == 0) {
HASHremove(b);
}
if (b->T->hash != NULL ||
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