Changeset: 2f38d0a15641 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/2f38d0a15641
Modified Files:
gdk/gdk_join.c
Branch: Dec2025
Log Message:
We need a lock.
diffs (19 lines):
diff --git a/gdk/gdk_join.c b/gdk/gdk_join.c
--- a/gdk/gdk_join.c
+++ b/gdk/gdk_join.c
@@ -3683,6 +3683,7 @@ joincost(BAT *r, BUN lcount, struct cand
* Multiply the probe cost by an I/O latency
* factor to encourage swapping to a sequential
* scan instead. */
+ MT_lock_set(&r->theaplock);
if (!GDKinmemory(r->theap->farmid) &&
(size_t)cnt * ATOMsize(r->ttype) + (r->tvheap ?
r->tvheap->free : 0) > GDK_mem_maxsize / 4) {
/* Disk random access is ~100x to 1000x
@@ -3691,6 +3692,7 @@ joincost(BAT *r, BUN lcount, struct cand
* probes as highly toxic. */
rcost *= 100.0;
}
+ MT_lock_unset(&r->theaplock);
} else if ((parent = VIEWtparent(r)) != 0 &&
(b = BATdescriptor(parent)) != NULL) {
if (BATcheckhash(b)) {
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