[CP] Fix batch create partitions rollback core

src/storage/ob_partition_group.cpp

@@ -3148,7 +3148,7 @@ int ObPartitionGroup::check_can_do_merge(bool& can_merge, bool& need_merge)
 ObReplicaType ObPartitionGroup::get_replica_type() const
 {
   int tmp_ret = OB_SUCCESS;
-  ObReplicaType replica_type;
+  ObReplicaType replica_type = ObReplicaType::REPLICA_TYPE_MAX;
 
   if (OB_SUCCESS != (tmp_ret = pg_storage_.get_replica_type(replica_type))) {
     STORAGE_LOG(WARN, "get replica_type error", K(tmp_ret), K_(pkey), K(replica_type));

src/storage/ob_pg_storage.cpp

@@ -2249,8 +2249,13 @@ ObReplicaType ObPGStorage::get_replica_type_() const
 int ObPGStorage::get_replica_type(common::ObReplicaType& replica_type) const
 {
   int ret = OB_SUCCESS;
+  if (!is_inited_) {
+    ret = OB_NOT_INIT;
+    STORAGE_LOG(WARN, "partition is not initialized", K_(pkey), K(ret));
+  } else {
     TCRLockGuard lock_guard(lock_);
     replica_type = meta_->replica_type_;
+  }
   return ret;
 }