But why would you have to? Just pass in the SQL and the selected id: 

sub make_select {
   my ($dbh, $sql, $args, $id) = @_;
   my $items = $dbh->selectall_arrayref($sql, {Slice => {}}, $args);

   for ($items) {
      $_->{selected} = 1 if $_->{id} == $id;
   }

   return $items;
}

[download]

jeffa

L-LL-L--L-LL-L--L-LL-L--
-R--R-RR-R--R-RR-R--R-RR
B--B--B--B--B--B--B--B--
H---H---H---H---H---H---
(the triplet paradiddle with high-hat)

In reply to Re^3: abstraction -- level up! by jeffa
in thread abstraction -- level up! by geektron

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