__PACKAGE__->mk_group_accessors('simple' => 'result_source');
-=head1 NAME
+=head1 NAME
DBIx::Class::Row - Basic row methods
if ($attrs) {
$new->throw_exception("attrs must be a hashref")
unless ref($attrs) eq 'HASH';
- while (my ($k, $v) = each %$attrs) {
+ foreach my $k (keys %$attrs) {
$new->throw_exception("No such column $k on $class")
- unless $class->has_column($k);
- $new->store_column($k => $v);
+ unless $class->has_column($k);
+ $new->store_column($k => $attrs->{$k});
}
}
return $new;
$obj->delete
-Deletes the object from the database. The object is still perfectly usable
-accessor-wise etc. but ->in_storage will now return 0 and the object must
-be re ->insert'ed before it can be ->update'ed
+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.
=cut
$self->throw_exception("Cannot safely delete a row in a PK-less table")
if ! keys %$ident_cond;
foreach my $column (keys %$ident_cond) {
- $self->throw_exception("Can't delete the object unless it has loaded the primary keys")
- unless exists $self->{_column_data}{$column};
+ $self->throw_exception("Can't delete the object unless it has loaded the primary keys")
+ unless exists $self->{_column_data}{$column};
}
$self->result_source->storage->delete(
$self->result_source->from, $ident_cond);
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;
}
if $self->result_source->column_info($col)->{is_auto_increment};
}
my $new = bless { _column_data => $col_data }, ref $self;
+ $new->result_source($self->result_source);
$new->set_columns($changes);
$new->insert;
foreach my $rel ($self->result_source->relationships) {
sub store_column {
my ($self, $column, $value) = @_;
- $self->throw_exception( "No such column '${column}'" )
+ $self->throw_exception( "No such column '${column}'" )
unless exists $self->{_column_data}{$column} || $self->has_column($column);
- $self->throw_exception( "set_column called for ${column} without value" )
+ $self->throw_exception( "set_column called for ${column} without value" )
if @_ < 3;
return $self->{_column_data}{$column} = $value;
}
if (ref($pre_val->[0]) eq 'ARRAY') { # multi
my @pre_objects;
foreach my $pre_rec (@$pre_val) {
- unless ($pre_source->primary_columns == grep { exists $pre_rec->[0]{$_}
+ unless ($pre_source->primary_columns == grep { exists $pre_rec->[0]{$_}
and defined $pre_rec->[0]{$_} } $pre_source->primary_columns) {
next;
}
$new->related_resultset($pre)->set_cache(\@pre_objects);
} elsif (defined $pre_val->[0]) {
my $fetched;
- unless ($pre_source->primary_columns == grep { exists $pre_val->[0]{$_}
+ unless ($pre_source->primary_columns == grep { exists $pre_val->[0]{$_}
and !defined $pre_val->[0]{$_} } $pre_source->primary_columns)
{
$fetched = $pre_source->result_class->inflate_result(
- $pre_source, @{$pre_val});
+ $pre_source, @{$pre_val});
}
my $accessor = $source->relationship_info($pre)->{attrs}{accessor};
$class->throw_exception("No accessor for prefetched $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