local $SQL::Abstract::Converter::Cur_Col_Meta = (
is_Identifier($r_dq)
? join('.', @{$r_dq->{elements}})
- : undef
+ : ((is_Literal($r_dq) and !ref($r_dq->{literal})
+ and $r_dq->{literal} =~ /^\w+$/)
+ ? $r_dq->{literal}
+ : undef)
);
$self->_value_to_dq(\($options->{returning_container}[$_]));
} 0..$ret_count-1