=head1 DESCRIPTION
This class is responsible for defining and doing basic operations on rows
-derived from L<DBIx::Class::Table> objects.
+derived from L<DBIx::Class::ResultSource> objects.
=head1 METHODS
sub update {
my ($self, $upd) = @_;
$self->throw_exception( "Not in database" ) unless $self->in_storage;
+ $self->set_columns($upd) if $upd;
my %to_update = $self->get_dirty_columns;
return $self unless keys %to_update;
+ my $ident_cond = $self->ident_condition;
+ $self->throw_exception("Cannot safely update a row in a PK-less table")
+ if ! keys %$ident_cond;
my $rows = $self->result_source->storage->update(
- $self->result_source->from, \%to_update, $self->ident_condition);
+ $self->result_source->from, \%to_update, $ident_cond);
if ($rows == 0) {
$self->throw_exception( "Can't update ${self}: row not found" );
} elsif ($rows > 1) {
my $self = shift;
if (ref $self) {
$self->throw_exception( "Not in database" ) unless $self->in_storage;
+ my $ident_cond = $self->ident_condition;
+ $self->throw_exception("Cannot safely delete a row in a PK-less table")
+ if ! keys %$ident_cond;
$self->result_source->storage->delete(
- $self->result_source->from, $self->ident_condition);
+ $self->result_source->from, $ident_cond);
$self->in_storage(undef);
} else {
$self->throw_exception("Can't do class delete without a ResultSource instance")
PRE: foreach my $pre (keys %{$prefetch||{}}) {
my $pre_source = $source->related_source($pre);
$class->throw_exception("Can't prefetch non-existant relationship ${pre}") unless $pre_source;
- my $fetched = $pre_source->result_class->inflate_result(
- $pre_source, @{$prefetch->{$pre}});
+ my $fetched;
+ unless ($pre_source->primary_columns == grep { exists $prefetch->{$pre}[0]{$_}
+ and !defined $prefetch->{$pre}[0]{$_} } $pre_source->primary_columns)
+ {
+ $fetched = $pre_source->result_class->inflate_result(
+ $pre_source, @{$prefetch->{$pre}});
+ }
my $accessor = $source->relationship_info($pre)->{attrs}{accessor};
$class->throw_exception("No accessor for prefetched $pre")
unless defined $accessor;
- PRIMARY: foreach my $pri ($pre_source->primary_columns) {
- unless (defined $fetched->get_column($pri)) {
- undef $fetched;
- last PRIMARY;
- }
- }
if ($accessor eq 'single') {
$new->{_relationship_data}{$pre} = $fetched;
} elsif ($accessor eq 'filter') {
Accessor to the ResultSource this object was created from
-=head2 register_column($column, $column_info)
+=head2 register_column
- Registers a column on the class and creates an accessor for it
+=head3 Arguments: ($column, $column_info)
+
+ Registers a column on the class. If the column_info has an 'accessor' key,
+ creates an accessor named after the value if defined; if there is no such
+ key, creates an accessor with the same name as the column
=cut
sub register_column {
my ($class, $col, $info) = @_;
- $class->mk_group_accessors('column' => $col);
+ my $acc = $col;
+ if (exists $info->{accessor}) {
+ return unless defined $info->{accessor};
+ $acc = [ $info->{accessor}, $col ];
+ }
+ $class->mk_group_accessors('column' => $acc);
}
-=item throw_exception
+=head2 throw_exception
See Schema's throw_exception.