code: def dialect_from_url(url: str) -> SqlDialect:
      """Return the SQL dialect specified in the URL in the configuration."""
      dialect_protocol = make_url(url.split(";")[0]).drivername.split(
          "+"
      )
      if len(dialect_protocol) > 2:
          raise ValueError(f"Invalid # of +'s in {url}")
      return SqlDialect(dialect_protocol[0])
  
imports: from __future__ import annotations
  import datetime
  import logging
  import os
  import warnings
  from dataclasses import dataclass
  from pathlib import Path
  import _pytest.config
  import pytest
  import sqlalchemy.util
  from _pytest.fixtures import FixtureRequest
  from sqlalchemy.engine import make_url
  from metricflow.random_id import random_id
  from metricflow.test.fixtures.sql_clients.common_client import SqlDialect
  from metricflow.test.table_snapshot.table_snapshots import SqlTableSnapshotHash, SqlTableSnapshotRepository
label_desc: Use image node_id 5 for calling a global function with example usage: dialect_from_url(url) and returns: SqlDialect