code: def adapt(self, impltype):
      ret = super().adapt(impltype)
      # leave a hint for the DBAPI handler
      ret._is_oracle_number = True
      return ret
  
imports: from __future__ import annotations
  import datetime
  from typing import Optional
  from typing import Type
  from typing import TYPE_CHECKING
  from ...None import exc
  from ...sql import sqltypes
  from ...types import NVARCHAR
  from ...types import VARCHAR
label_desc: Use image node_id 2 for calling the NUMBER obj's underlying member method code with example usage: obj.adapt(impltype) and returns: ret