Changeset: d7b575143ec7 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/d7b575143ec7
Modified Files:
sql/storage/store.c
Branch: Jan2022
Log Message:
Fix a race condition.
diffs (16 lines):
diff --git a/sql/storage/store.c b/sql/storage/store.c
--- a/sql/storage/store.c
+++ b/sql/storage/store.c
@@ -3654,8 +3654,10 @@ sql_trans_rollback(sql_trans *tr, bool c
if (!commit_lock)
MT_lock_set(&store->commit);
store_lock(store);
- ulng oldest = store_timestamp(store);
- store_pending_changes(store, oldest);
+ if (ATOMIC_GET(&store->nr_active) == 1) { /* still just me */
+ ulng oldest = store_timestamp(store);
+ store_pending_changes(store, oldest);
+ }
store_unlock(store);
if (!commit_lock)
MT_lock_unset(&store->commit);
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