async def aget_all(
        self,
        collection: str = None,
        select: Optional[Union[str, List[str]]] = None,
    ) -> Dict[str, dict]:
        """
        Retrieves all key-value pairs from a specified partition in the table.
        """
        if self._atable_service_client is None:
            raise ValueError(MISSING_ASYNC_CLIENT_ERROR_MSG)
        table_name = (
            DEFAULT_COLLECTION if not collection else sanitize_table_name(collection)
        )
        atable_client = await self._atable_service_client.create_table_if_not_exists(
            table_name
        )
        entities = atable_client.list_entities(
            filter=f"PartitionKey eq '{self.partition_key}'",
            select=select,
        )
        return {
            entity["RowKey"]: deserialize(self.service_mode, entity)
            async for entity in entities
        }

        Retrieves all key-value pairs from a specified partition in the table.
        
llama-index-integrations/storage/kvstore/llama-index-storage-kvstore-azure/llama_index/storage/kvstore/azure/base.py