Changeset: 306f9037af34 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/306f9037af34
Modified Files:
gdk/gdk_join.c
Branch: default
Log Message:
Use properties.
diffs (22 lines):
diff --git a/gdk/gdk_join.c b/gdk/gdk_join.c
--- a/gdk/gdk_join.c
+++ b/gdk/gdk_join.c
@@ -3987,12 +3987,17 @@ guess_uniques(BAT *b, struct canditer *c
BUN
BATguess_uniques(BAT *b, struct canditer *ci)
{
+ BUN n = BUN_NONE;
+
MT_lock_set(&b->theaplock);
- BUN n = BUN_NONE;
if (b->batCount == 0 || (ci && ci->ncand == 0))
n = 0;
else if (b->batCount == 1 || (ci && ci->ncand == 1))
n = 1;
+ else if (b->tsorted && b->trevsorted)
+ n = 1;
+ else if (b->tkey)
+ n = ci ? ci->ncand : b->batCount;
MT_lock_unset(&b->theaplock);
if (n != BUN_NONE)
return n;
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