Check whether lox_db is empty after recovering

crates/lox-distributor/src/db_handler.rs

@@ -51,7 +51,7 @@ impl DB {
         let (lox_db, context) = match sled::open(db_config.db_path) {
             Ok(lox_db) => {
                 // Check if the lox_db already exists
-                if lox_db.was_recovered() {
+                if lox_db.was_recovered() && !lox_db.is_empty() {
                     context = read_lox_context_from_db(lox_db.clone(), roll_back_date);
                     context.metrics = metrics;
                 //Otherwise, create a new Lox context