allow to return cleaned up values

server/storage/EdgeDB.py

@@ -1,7 +1,7 @@
 from server.GameBoard import GameBoard
 
 from datetime import datetime
-import edgedb, json, time
+import gel, json, time
 
 class EdgeDB:
   def __init__(self, database:str=None, tls_security:str='insecure', **kwargs):
@@ -10,7 +10,7 @@ class EdgeDB:
     self._connect()
 
   def _connect(self):
-    self.client = edgedb.create_client(
+    self.client = gel.create_client(
       tls_security=self.tls_security,
       database=self.database
     )
@@ -19,7 +19,7 @@ class EdgeDB:
     while True:
       try:
         return function(*args, **kwargs)
-      except edgedb.errors.ClientConnectionFailedError:
+      except gel.errors.ClientConnectionFailedError:
         self._connect()
         time.sleep(0.5)
 
@@ -112,11 +112,12 @@ class EdgeDB:
 
   def cleanup(self):
     return self.run_query_with_reconnection(
-      self.client.query,
+      self.client.query_json,
       """
-      delete default::GameBoard { }
-      filter .turns < <std::int32>"200" or .is_winner_me = <std::bool>"false";
+      delete Moves { };
+
+      with gameboard := (delete GameBoard filter .turns < <std::int32>"200" or .is_winner_me = <std::bool>"false")
+      select gameboard {id, url, winner, turns, type: { is_ladder, name } };
 
-      delete default::Moves { }
       """
     )