class_docstr: Reuses PrestoEngineSpec functionality.
class_docstr_tok: ["Reuses","PrestoEngineSpec","functionality","."]
code: def convert_dttm(
      cls,
      target_type: str,
      dttm: datetime,
      db_extra: dict[str, Any] | None = None,
  ) -> str | None:
      sqla_type = cls.get_sqla_column_type(target_type)
  
      if isinstance(sqla_type, types.Date):
          return f"CAST('{dttm.date().isoformat()}' AS DATE)"
      if isinstance(sqla_type, types.TIMESTAMP):
          return f"""CAST('{dttm
                  .isoformat(sep=" ", timespec="microseconds")}' AS TIMESTAMP)"""
      return None
  
imports: from __future__ import annotations
  import logging
  import os
  import re
  import tempfile
  import time
  from datetime import datetime
  from typing import Any, TYPE_CHECKING
  from urllib import parse
  import numpy
  import pandas
  import pyarrow
  import pyarrow.parquet
  from flask import current_app, g
  from sqlalchemy import Column, text, types
  from sqlalchemy.engine.base import Engine
  from sqlalchemy.engine.reflection import Inspector
  from sqlalchemy.engine.url import URL
  from sqlalchemy.sql.expression import ColumnClause, Select
  from superset import db
  from superset.common.db_query_status import QueryStatus
  from superset.constants import TimeGrain
  from superset.databases.utils import make_url_safe
  from superset.db_engine_specs.base import BaseEngineSpec
  from superset.db_engine_specs.presto import PrestoEngineSpec
  from superset.exceptions import SupersetException
  from superset.extensions import cache_manager
  from superset.models.sql_lab import Query
  from superset.sql_parse import ParsedQuery, Table
  from superset.superset_typing import ResultSetColumnType
label_desc: Use image node_id 4 for calling the HiveEngineSpec obj's underlying member method code with example usage: obj.convert_dttm(cls, target_type, dttm, db_extra) and returns: None, str, dttm, str, str, dttm, str