my $index_spec = $self->_indexable_by->{$by};
die "${self} not indexable by ${by}" unless $index_spec;
my $new = DBIx::Data::Collection::Set->new($index_spec);
+ $self->_connect_caches($new);
$self->_indexed_by->{$by} = $new
}
+method _connect_caches ($new) {
+ $new->_set_member_cache($self->_member_cache) if $self->_member_cache_built;
+ $new->_add_to_caches($_) for $self->_all_key_cache_members;
+ $new->_setup_observation_of($self);
+ $self->_setup_observation_of($new);
+}
+
__PACKAGE__->meta->make_immutable;
1;