Changeset: d978c7116c03 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/d978c7116c03
Modified Files:
sql/storage/bat/bat_storage.c
Branch: Jul2021
Log Message:
Do not call BATsort with a complex candidate list.
This fixes bug #7267.
diffs (61 lines):
diff --git a/sql/storage/bat/bat_storage.c b/sql/storage/bat/bat_storage.c
--- a/sql/storage/bat/bat_storage.c
+++ b/sql/storage/bat/bat_storage.c
@@ -1084,7 +1084,7 @@ cs_update_bat( sql_trans *tr, column_sto
lock_table(tr->store, t->base.id);
storage *s = ATOMIC_PTR_GET(&t->data);
if (!is_new && !cs->cleared) {
- if (!tids->tsorted || complex_cand(tids) /* make sure we have
simple dense or oids */) {
+ if (!tids->tsorted /* make sure we have simple dense or oids
*/) {
BAT *sorted, *order;
if (BATsort(&sorted, &order, NULL, tids, NULL, NULL,
false, false, false) != GDK_SUCCEED) {
if (otids != tids)
@@ -1162,6 +1162,48 @@ cs_update_bat( sql_trans *tr, column_sto
if (end < seg->end)
break;
}
+ } else if (res == LOG_OK && complex_cand(tids)) {
+ struct canditer ci;
+ segment *seg = s->segs->h;
+ canditer_init(&ci, NULL, tids);
+ BUN i = 0;
+ while ( seg && res == LOG_OK && i < ucnt) {
+ oid rid = canditer_next(&ci);
+ if (seg->end <= rid)
+ seg = seg->next;
+ else if (seg->start <= rid && seg->end > rid) {
+ /* check for delete conflicts */
+ if (seg->ts >= tr->ts && seg->deleted) {
+ res = LOG_CONFLICT;
+ continue;
+ }
+
+ /* check for inplace updates */
+ if (seg->ts == tr->tid &&
!seg->deleted) {
+ if (!ins) {
+ ins = COLnew(0,
TYPE_msk, ucnt, TRANSIENT);
+ if (!ins) {
+ res = LOG_ERR;
+ break;
+ } else {
+
BATsetcount(ins, ucnt); /* all full updates */
+ msk =
(int*)Tloc(ins, 0);
+ BUN end =
(ucnt+31)/32;
+ memset(msk, 0,
end * sizeof(int));
+ }
+ }
+ ptr upd = BUNtail(upi, i);
+ if (void_inplace(b, rid, upd,
true) != GDK_SUCCEED)
+ res = LOG_ERR;
+
+ oid word = i/32;
+ int pos = i%32;
+ msk[word] |= 1U<<pos;
+ cnt++;
+ }
+ i++;
+ }
+ }
} else if (res == LOG_OK) {
BUN i = 0;
oid *rid = Tloc(tids,0);
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