Bug fixing

src/database.cpp

@@ -100,7 +100,7 @@ bool Database::setVersion(int version) {
 }
 
 bool Database::migrate(int from_version, int to_version) {
-    if (from_version == 1 && to_version == 2) {
+    if (from_version < 3 && to_version == 3) {
         // Drop old table
         const char* drop_sql = "DROP TABLE IF EXISTS objects;";
         char* err_msg = nullptr;