Fixed performance issues by creating a dedicated store for dataframe and optimizing

src/myfasthtml/core/DataGridsRegistry.py

@@ -45,25 +45,23 @@ class DataGridsRegistry(SingleInstance):
     try:
       as_fullname_dict = self._get_entries_as_full_name_dict()
       grid_id = as_fullname_dict[table_name]
-      
-      # load dataframe
-      state_id = f"{grid_id}#state"
-      state = self._db_manager.load(state_id)
-      df = state["ne_df"] if state else None
+
+      # load dataframe from dedicated store
+      store = self._db_manager.load(f"{grid_id}#df")
+      df = store["ne_df"] if store else None
       return df[column_name].tolist() if df is not None else []
-    
+
     except KeyError:
       return []
-  
+
   def get_row_count(self, table_name):
     try:
       as_fullname_dict = self._get_entries_as_full_name_dict()
       grid_id = as_fullname_dict[table_name]
 
-      # load dataframe
-      state_id = f"{grid_id}#state"
-      state = self._db_manager.load(state_id)
-      df = state["ne_df"] if state else None
+      # load dataframe from dedicated store
+      store = self._db_manager.load(f"{grid_id}#df")
+      df = store["ne_df"] if store else None
       return len(df) if df is not None else 0
 
     except KeyError: