def query(self, query: str, param_map: Optional[Dict[str, Any]] = {}) -> Any:
        """Query the graph store with statement and parameters."""
        with Session(self._engine) as session:
            return session.execute(query, param_map).fetchall()
Query the graph store with statement and parameters.
llama-index-integrations/graph_stores/llama-index-graph-stores-tidb/llama_index/graph_stores/tidb/graph.py