[core] Database file source does not return stored tiles for volatile resources

The `DatabaseFileSource.VolatileResource` test is included.

1 files changed, 2 insertions, 1 deletions

diff --git a/platform/default/src/mbgl/storage/database_file_source.cpp b/platform/default/src/mbgl/storage/database_file_source.cpp
index 07a5291e05..61915277ca 100644
--- a/platform/default/src/mbgl/storage/database_file_source.cpp
+++ b/platform/default/src/mbgl/storage/database_file_source.cpp
@@ -21,7 +21,8 @@ public:
         : db(std::make_unique<OfflineDatabase>(cachePath)), onlineFileSource(std::move(onlineFileSource_)) {}
 
     void request(const Resource& resource, const ActorRef<FileSourceRequest>& req) {
-        auto offlineResponse = db->get(resource);
+        optional<Response> offlineResponse =
+            (resource.storagePolicy != Resource::StoragePolicy::Volatile) ? db->get(resource) : nullopt;
         if (!offlineResponse) {
             offlineResponse.emplace();
             offlineResponse->noContent = true;