1 package # hide from PAUSE
2 DBIx::Class::CDBICompat::LazyLoading;
7 use base 'DBIx::Class';
9 sub resultset_instance {
11 $self->next::method(@_)
12 ->search_rs(undef, { columns => [ $self->columns('Essential') ] });
16 # Emulate that CDBI throws out all changed columns and reloads them on
17 # request in case the database modifies the new value (say, via a trigger)
21 my @dirty_columns = keys %{$self->{_dirty_columns}};
23 my $ret = $self->next::method(@_);
24 $self->_clear_column_data(@dirty_columns);
30 # And again for create
35 my @columns = keys %$data;
37 my $obj = $class->next::method(@_);
38 return $obj unless defined $obj;
40 my %primary_cols = map { $_ => 1 } $class->primary_columns;
41 my @data_cols = grep !$primary_cols{$_}, @columns;
42 $obj->_clear_column_data(@data_cols);
48 sub _clear_column_data {
51 delete $self->{_column_data}{$_} for @_;
52 delete $self->{_inflated_column}{$_} for @_;
57 my ($self, $col) = @_;
58 if ((ref $self) && (!exists $self->{'_column_data'}{$col})
59 && $self->{'_in_storage'}) {
60 $self->_flesh(grep { exists $self->_column_groups->{$_}{$col}
62 keys %{ $self->_column_groups || {} });
64 $self->next::method(@_[1..$#_]);
67 # CDBI does not explicitly declare auto increment columns, so
68 # we just clear out our primary columns before copying.
70 my($self, $changes) = @_;
72 for my $col ($self->primary_columns) {
73 $changes->{$col} = undef unless exists $changes->{$col};
76 return $self->next::method($changes);
82 delete $self->{_column_data}{$_} for $self->is_changed;
83 delete $self->{_dirty_columns};
84 delete $self->{_relationship_data};
91 return join(" AND ", map { "$_ = ?" } $class->primary_columns);
95 my ($self, @groups) = @_;
96 @groups = ('All') unless @groups;
98 $want{$_} = 1 for map { keys %{$self->_column_groups->{$_}} } @groups;
99 if (my @want = grep { !exists $self->{'_column_data'}{$_} } keys %want) {
100 my $cursor = $self->result_source->schema->storage->select(
101 $self->result_source->name, \@want,
102 \$self->_ident_cond, { bind => [ $self->_ident_values ] });
103 #my $sth = $self->storage->select($self->_table_name, \@want,
104 # $self->ident_condition);
105 # Not sure why the first one works and this doesn't :(
106 my @val = $cursor->next;
108 return unless @val; # object must have been deleted from the database
110 foreach my $w (@want) {
111 $self->{'_column_data'}{$w} = shift @val;