sub new {
my ($class, $attrs) = @_;
$class = ref $class if ref $class;
- my $new = bless { _column_data => {} }, $class;
+
+ my $new = { _column_data => {} };
+ bless $new, $class;
+
if ($attrs) {
$new->throw_exception("attrs must be a hashref")
unless ref($attrs) eq 'HASH';
- while (my ($k, $v) = each %$attrs) {
+ if (my $source = delete $attrs->{-result_source}) {
+ $new->result_source($source);
+ }
+ foreach my $k (keys %$attrs) {
$new->throw_exception("No such column $k on $class")
unless $class->has_column($k);
- $new->store_column($k => $v);
+ $new->store_column($k => $attrs->{$k});
}
}
+
return $new;
}
$obj->insert;
-Inserts an object into the database if it isn't already in there. Returns
-the object itself. Requires the object's result source to be set, or the
-class to have a result_source_instance method.
+Inserts an object into the database if it isn't already in
+there. Returns the object itself. Requires the object's result source to
+be set, or the class to have a result_source_instance method. To insert
+an entirely new object into the database, use C<create> (see
+L<DBIx::Class::ResultSet/create>).
=cut
$obj->update;
Must be run on an object that is already in the database; issues an SQL
-UPDATE query to commit any changes to the object to the db if required.
+UPDATE query to commit any changes to the object to the database if
+required.
=cut
$obj->delete
-Deletes the object from the database. The object is still perfectly usable,
-but ->in_storage() will now return 0 and the object must re inserted using
-->insert() before ->update() can be used on it.
+Deletes the object from the database. The object is still perfectly
+usable, but C<-E<gt>in_storage()> will now return 0 and the object must
+reinserted using C<-E<gt>insert()> before C<-E(<gt>update()> can be used
+on it. If you delete an object in a class with a C<has_many>
+relationship, all the related objects will be deleted as well. To turn
+this behavior off, pass C<cascade_delete => 0> in the C<$attr>
+hashref. Any database-level cascade or restrict will take precedence
+over a DBIx-Class-based cascading delete. See also L<DBIx::Class::ResultSet/delete>.
=cut
return undef;
}
+=head2 has_column_loaded
+
+ if ( $obj->has_column_loaded($col) ) {
+ print "$col has been loaded from db";
+ }
+
+Returns a true value if the column value has been loaded from the
+database (or set locally).
+
+=cut
+
sub has_column_loaded {
my ($self, $column) = @_;
$self->throw_exception( "Can't call has_column data as class method" ) unless ref $self;
sub set_columns {
my ($self,$data) = @_;
- while (my ($col,$val) = each %$data) {
- $self->set_column($col,$val);
+ foreach my $col (keys %$data) {
+ $self->set_column($col,$data->{$col});
}
return $self;
}
delete $col_data->{$col}
if $self->result_source->column_info($col)->{is_auto_increment};
}
- my $new = bless { _column_data => $col_data }, ref $self;
+
+ my $new = { _column_data => $col_data };
+ bless $new, ref $self;
+
+ $new->result_source($self->result_source);
$new->set_columns($changes);
$new->insert;
foreach my $rel ($self->result_source->relationships) {
sub inflate_result {
my ($class, $source, $me, $prefetch) = @_;
#use Data::Dumper; print Dumper(@_);
- my $new = bless({ result_source => $source,
- _column_data => $me,
- _in_storage => 1
- },
- ref $class || $class);
+ my $new = {
+ result_source => $source,
+ _column_data => $me,
+ _in_storage => 1
+ };
+ bless $new, (ref $class || $class);
+
my $schema;
foreach my $pre (keys %{$prefetch||{}}) {
my $pre_val = $prefetch->{$pre};
Updates the object if it's already in the db, else inserts it.
+=head2 insert_or_update
+
+ $obj->insert_or_update
+
+Alias for L</update_or_insert>
+
=cut
*insert_or_update = \&update_or_insert;
=head2 is_changed
- my @changed_col_names = $obj->is_changed
+ my @changed_col_names = $obj->is_changed();
+ if ($obj->is_changed()) { ... }
+
+In array context returns a list of columns with uncommited changes, or
+in scalar context returns a true value if there are uncommitted
+changes.
=cut
return keys %{shift->{_dirty_columns} || {}};
}
+=head2 is_column_changed
+
+ if ($obj->is_column_changed('col')) { ... }
+
+Returns a true value if the column has uncommitted changes.
+
+=cut
+
+sub is_column_changed {
+ my( $self, $col ) = @_;
+ return exists $self->{_dirty_columns}->{$col};
+}
+
=head2 result_source
- Accessor to the ResultSource this object was created from
+ my $resultsource = $object->result_source;
-=head2 register_column
+Accessor to the ResultSource this object was created from
-=over 4
+=head2 register_column
-=item Arguments: $column, $column_info
+ $column_info = { .... };
+ $class->register_column($column_name, $column_info);
-=back
+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
- 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
+The column_info attributes are described in
+L<DBIx::Class::ResultSource/add_columns>
=cut
You may distribute this code under the same terms as Perl itself.
=cut
-
projects / dbsrgits/DBIx-Class.git / blobdiff