Function clone

lib/sqlalchemy/orm/relationships.py:2336–2340

(elem: _CE)

def _annotate_columns(element: _CE, annotations: _AnnotationDict) -> _CE:
    def clone(elem: _CE) -> _CE:
        if isinstance(elem, expression.ColumnClause):
            elem = elem._annotate(annotations.copy())  # type: ignore
        elem._copy_internals(clone=clone)
        return elem

    if element is not None:
        element = clone(element)