fix thread-safety issue for logging singleton

duckdb · Jan 13, 2025 · 0ece666 · 0ece666
1 parent 89ebdb7
commit 0ece666
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/delta_utils.cpp b/src/delta_utils.cpp
@@ -638,7 +638,9 @@ uintptr_t PredicateVisitor::VisitFilter(const string &col_name, const TableFilte
 void LoggerCallback::Initialize(DatabaseInstance &db_p) {
 	auto &instance = GetInstance();
 	unique_lock<mutex> lck(instance.lock);
-	instance.db = db_p.shared_from_this();
+    if (instance.db.expired()) {
+        instance.db = db_p.shared_from_this();
+    }
 }
 
 void LoggerCallback::CallbackEvent(ffi::Event event) {