Method _get_plugin_class_for_plugin

lib/sqlalchemy/sql/base.py:814–822

(
        cls, statement: Executable, plugin_name: str
    )

    @classmethod
    def _get_plugin_class_for_plugin(
        cls, statement: Executable, plugin_name: str
    ) -> Optional[Type[CompileState]]:
        try:
            return cls.plugins[
                (plugin_name, statement._effective_plugin_target)
            ]
        except KeyError:
            return None

    @classmethod
    def plugin_for(