Toby Corkindale wrote:
> Hey all,
> Wouldn't it be nice if the ResultSet iterators were a bit more advanced?
>
> I would love it if the iterator built into DBIx::Class supported some
> more functional programming style methods.
>
> ie. So that I could do:
>
> $schema->resultset('Users')->search(
> { first_name => 'Bob' }
> )->foreach(
> sub { email_user($_) }
> );
>
> Or to "map" to get the results I want in one hit:
>
> my @uppercase_names = $schema->resultset('Users')->search(
> { first_name => 'Bob' }
> )->map(
> sub { uc($_->last_name . $_->firstname) }
> );
>
> Or do a more complex check, grep style, to filter the list:
>
> my @y_users = $schema->resultset('Users')->search(
> { first_name => 'Bob' }
> )->grep(
> sub { return complex_check($_) }
> );
>
The implicit iterators built into DBIC resultsets were a blatant design
mistake, and therefore they will not be extended any longer (at least not
in core). You are however welcome to discuss a design for a ResultSet
component, or even contribute to the DBIx::Class::Helpers family of modules.
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