Function _append_param_insert_select_hasdefault

lib/sqlalchemy/sql/crud.py:1242–1280

(
    compiler: SQLCompiler,
    stmt: ValuesBase,
    c: ColumnClause[Any],
    values: List[_CrudParamElementSQLExpr],
    kw: Dict[str, Any],
)

def _append_param_insert_select_hasdefault(
    compiler: SQLCompiler,
    stmt: ValuesBase,
    c: ColumnClause[Any],
    values: List[_CrudParamElementSQLExpr],
    kw: Dict[str, Any],
) -> None:
    if default_is_sequence(c.default):
        if compiler.dialect.supports_sequences and (
            not c.default.optional or not compiler.dialect.sequences_optional
        ):
            values.append(
                (
                    c,
                    compiler.preparer.format_column(c),
                    c.default.next_value(),
                    (),
                )
            )
    elif default_is_clause_element(c.default):
        values.append(
            (
                c,
                compiler.preparer.format_column(c),
                c.default.arg.self_group(),
                (),
            )
        )
    else:
        values.append(
            (
                c,
                compiler.preparer.format_column(c),
                _create_insert_prefetch_bind_param(
                    compiler, c, process=False, **kw
                ),
                (c.key,),
            )
        )


def _append_param_update(