return $rs;
}
+
+# Emulate that CDBI throws out all changed columns and reloads them on
+# request in case the database modifies the new value (say, via a trigger)
+sub update {
+ my $self = shift;
+
+ my @dirty_columns = keys %{$self->{_dirty_columns}};
+
+ my $ret = $self->next::method(@_);
+
+ delete $self->{_column_data}{$_} for @dirty_columns;
+ delete $self->{_inflated_column}{$_} for @dirty_columns;
+
+ return $ret;
+}
+
+
sub get_column {
my ($self, $col) = @_;
if ((ref $self) && (!exists $self->{'_column_data'}{$col})
$self->next::method(@_[1..$#_]);
}
+# CDBI does not explicitly declare auto increment columns, so
+# we just clear out our primary columns before copying.
+sub copy {
+ my($self, $changes) = @_;
+
+ for my $col ($self->primary_columns) {
+ $changes->{$col} = undef unless exists $changes->{$col};
+ }
+
+ return $self->next::method($changes);
+}
+
+sub discard_changes {
+ my($self) = shift;
+
+ delete $self->{_column_data}{$_} for $self->is_changed;
+ delete $self->{_dirty_columns};
+ delete $self->{_relationship_data};
+
+ return $self;
+}
+
sub _ident_cond {
my ($class) = @_;
return join(" AND ", map { "$_ = ?" } $class->primary_columns);