You could just save some trips and do: 
# get a hash ref keyed to id
my $data = $dbh->selectall_hashref(
    'select id, name, parent from category', 'id'
);

[download]
Then you can work out yourself what is the parent of each item.

gav^

In reply to Re: Using Multiple Statements MySQL by gav^
in thread Using Multiple Statements MySQL by andrew

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