1 package # hide from PAUSE
2 DBIx::Class::CDBICompat::LazyLoading;
7 use base 'DBIx::Class';
9 sub resultset_instance {
11 my $rs = $self->next::method(@_);
12 $rs = $rs->search(undef, { columns => [ $self->columns('Essential') ] });
17 # Emulate that CDBI throws out all changed columns and reloads them on
18 # request in case the database modifies the new value (say, via a trigger)
22 my @dirty_columns = keys %{$self->{_dirty_columns}};
24 my $ret = $self->next::method(@_);
25 $self->_clear_column_data(@dirty_columns);
31 # And again for create
36 my @columns = keys %$data;
38 my $obj = $class->next::method(@_);
39 return $obj unless defined $obj;
41 my %primary_cols = map { $_ => 1 } $class->primary_columns;
42 my @data_cols = grep !$primary_cols{$_}, @columns;
43 $obj->_clear_column_data(@data_cols);
49 sub _clear_column_data {
52 delete $self->{_column_data}{$_} for @_;
53 delete $self->{_inflated_column}{$_} for @_;
58 my ($self, $col) = @_;
59 if ((ref $self) && (!exists $self->{'_column_data'}{$col})
60 && $self->{'_in_storage'}) {
61 $self->_flesh(grep { exists $self->_column_groups->{$_}{$col}
63 keys %{ $self->_column_groups || {} });
65 $self->next::method(@_[1..$#_]);
68 # CDBI does not explicitly declare auto increment columns, so
69 # we just clear out our primary columns before copying.
71 my($self, $changes) = @_;
73 for my $col ($self->primary_columns) {
74 $changes->{$col} = undef unless exists $changes->{$col};
77 return $self->next::method($changes);
83 delete $self->{_column_data}{$_} for $self->is_changed;
84 delete $self->{_dirty_columns};
85 delete $self->{_relationship_data};
92 return join(" AND ", map { "$_ = ?" } $class->primary_columns);
96 my ($self, @groups) = @_;
97 @groups = ('All') unless @groups;
99 $want{$_} = 1 for map { keys %{$self->_column_groups->{$_}} } @groups;
100 if (my @want = grep { !exists $self->{'_column_data'}{$_} } keys %want) {
101 my $cursor = $self->result_source->schema->storage->select(
102 $self->result_source->name, \@want,
103 \$self->_ident_cond, { bind => [ $self->_ident_values ] });
104 #my $sth = $self->storage->select($self->_table_name, \@want,
105 # $self->ident_condition);
106 # Not sure why the first one works and this doesn't :(
107 my @val = $cursor->next;
109 return unless @val; # object must have been deleted from the database
111 foreach my $w (@want) {
112 $self->{'_column_data'}{$w} = shift @val;