Ensure that deleteAll() schedules a commit.

This doesn't really matter for workerd, where the commit callback is a no-op. It matters in production, though.

src/workerd/io/actor-sqlite.c++

@@ -323,6 +323,18 @@ ActorCacheInterface::DeleteAllResults ActorSqlite::deleteAll(WriteOptions option
     }
   }
 
+  if (!deleteAllCommitScheduled) {
+    // We'll want to make sure the commit callback is called for the deleteAll().
+    commitTasks.add(outputGate.lockWhile(kj::evalLater([this]() mutable -> kj::Promise<void> {
+      // Don't commit if shutdown() has been called.
+      requireNotBroken();
+
+      deleteAllCommitScheduled = false;
+      return commitCallback();
+    })));
+    deleteAllCommitScheduled = true;
+  }
+
   uint count = kv.deleteAll();
   return {
     .backpressure = kj::none,

src/workerd/io/actor-sqlite.h

@@ -46,7 +46,7 @@ class ActorSqlite final: public ActorCacheInterface, private kj::TaskSet::ErrorH
       Hooks& hooks = const_cast<Hooks&>(Hooks::DEFAULT));
 
   bool isCommitScheduled() {
-    return !currentTxn.is<NoTxn>();
+    return !currentTxn.is<NoTxn>() || deleteAllCommitScheduled;
   }
 
   kj::Maybe<SqliteDatabase&> getSqliteDatabase() override {
@@ -157,6 +157,9 @@ class ActorSqlite final: public ActorCacheInterface, private kj::TaskSet::ErrorH
   // transactions should be used in the meantime.
   kj::OneOf<NoTxn, ImplicitTxn*, ExplicitTxn*> currentTxn = NoTxn();
 
+  // If true, then a commit is scheduled as a result of deleteAll() having been called.
+  bool deleteAllCommitScheduled = false;
+
   kj::TaskSet commitTasks;
 
   void onWrite();