From 181168d0738bb3ac66ee630099873fef39e5a29a Mon Sep 17 00:00:00 2001
From: Dmitriy Ryajov <dryajov@gmail.com>
Date: Tue, 19 Sep 2023 19:03:40 -0600
Subject: [PATCH] fix tired ds

---
 datastore/tieredds.nim | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/datastore/tieredds.nim b/datastore/tieredds.nim
index 4eca23b..8448f9b 100644
--- a/datastore/tieredds.nim
+++ b/datastore/tieredds.nim
@@ -74,13 +74,16 @@ method get*(
     bytes: seq[byte]
 
   for store in self.stores:
-    without bytes =? (await store.get(key)):
-      continue
+    without bytes =? (await store.get(key)), err:
+      if err of DatastoreKeyNotFound:
+        continue
+      else:
+        return failure(err)
 
     if bytes.len <= 0:
       continue
 
-    # put found data into stores logically in front of the current store
+    # put found data into stores in front of the current store
     for s in self.stores:
       if s == store: break
       if(
@@ -88,7 +91,10 @@ method get*(
         res.isErr):
         return failure res.error
 
-    return success bytes
+    if bytes.len > 0:
+      return success bytes
+
+  return failure (ref DatastoreKeyNotFound)(msg: "Key not found")
 
 method put*(
   self: TieredDatastore,