class_docstr: Abstraction for querying databases with user-supplied connection objects.
class_docstr_tok: ["Abstraction","for","querying","databases","with","user-supplied","connection","objects","."]
code: def __enter__(self) -> Self:
      return self
  
imports: from __future__ import annotations
  import re
  import sys
  from importlib import import_module
  from inspect import Parameter, signature
  from typing import TYPE_CHECKING, Any, Iterable, Literal, Sequence, TypedDict, overload
  from polars.convert import from_arrow
  from polars.exceptions import InvalidOperationError, UnsuitableSQLError
  from polars.utils.deprecation import issue_deprecation_warning
label_desc: Use image node_id 2 for calling the ConnectionExecutor obj's underlying member method code with example usage: obj.__enter__() and returns: self