$new->set($k => $v);
}
}
+ $new->{_dirty_columns} = {};
return $new;
}
my ($self) = @_;
die "Not in database" unless $self->{_in_database};
my @to_update = keys %{$self->{_dirty_columns} || {}};
+ return -1 unless @to_update;
my $sth = $self->_get_sth('update', \@to_update,
$self->_table_name, $self->_ident_cond);
- $sth->execute( (map { $self->{_column_data}{$_} } @to_update),
+ my $rows = $sth->execute( (map { $self->{_column_data}{$_} } @to_update),
$self->_ident_values );
+ if ($rows == 0) {
+ die "Can't update $self: row not found";
+ } elsif ($rows > 1) {
+ die "Can't update $self: updated more than one row";
+ }
$self->{_dirty_columns} = {};
return $self;
}
sub delete {
- my ($self) = @_;
- my $sth = $self->_get_sth('delete', undef,
- $self->_table_name, $self->_ident_cond);
- $sth->execute($self->_ident_values);
- delete $self->{_in_database};
+ my $self = shift;
+ if (ref $self) {
+ my $sth = $self->_get_sth('delete', undef,
+ $self->_table_name, $self->_ident_cond);
+ $sth->execute($self->_ident_values);
+ $sth->finish;
+ delete $self->{_in_database};
+ } else {
+ my $query = (ref $_[0] eq 'HASH' ? $_[0] : {@_});
+ my ($cond, $param) = $self->_where_from_hash($query);
+ my $sth = $self->_get_sth('delete', undef, $self->_table_name, $cond);
+ $sth->execute(@$param);
+ $sth->finish;
+ }
return $self;
}
+sub discard_changes {
+ my ($self) = @_;
+ $_[0] = $self->retrieve($self->id);
+}
+
sub get {
my ($self, $column) = @_;
die "Can't fetch data as class method" unless ref $self;
- die "No such column '${column}'" unless $self->_columns->{$column};
- return $self->{_column_data}{$column};
+ #die "No such column '${column}'" unless $self->_columns->{$column};
+ return $self->{_column_data}{$column} if $self->_columns->{$column};
+ return shift->SUPER::get(@_);
}
sub set {
my ($self, $column, $value) = @_;
- die "No such column '${column}'" unless $self->_columns->{$column};
- die "set_column called for ${column} without value" if @_ < 3;
- $self->{_dirty_columns}{$column} = 1;
- return $self->{_column_data}{$column} = $value;
+ #die "No such column '${column}'" unless $self->_columns->{$column};
+ #die "set_column called for ${column} without value" if @_ < 3;
+ if ($self->_columns->{$column}) {
+ $self->{_dirty_columns}{$column} = 1;
+ return $self->{_column_data}{$column} = $value;
+ }
+ return shift->SUPER::set(@_);
}
sub _register_columns {
sub retrieve_from_sql {
my ($class, $cond, @vals) = @_;
- $cond =~ s/^\s*WHERE//;
+ $cond =~ s/^\s*WHERE//i;
my @cols = $class->_select_columns;
my $sth = $class->_get_sth( 'select', \@cols, $class->_table_name, $cond);
$sth->execute(@vals);
my $new = $class->new;
$new->set($_, shift @row) for @cols;
$new->{_in_database} = 1;
+ $new->{_dirty_columns} = {};
push(@found, $new);
}
return @found;
sub search {
my $class = shift;
my $where = ref $_[0] eq "HASH" ? shift: {@_};
- my $cond = join(' AND ', map { "$_ = ?" } keys %$where);
- return $class->retrieve_from_sql($cond, values %$where);
+ my ($cond, $param) = $class->_where_from_hash($where);
+ return $class->retrieve_from_sql($cond, @{$param});
+}
+
+sub search_like {
+ my $class = shift;
+ my $where = ref $_[0] eq "HASH" ? shift: {@_};
+ my ($cond, $param) = $class->_where_from_hash($where, { cmp => 'like' });
+ return $class->retrieve_from_sql($cond, @{$param});
}
sub _select_columns {
my ($self, $changes) = @_;
my $new = bless({ _column_data => { %{$self->{_column_data}}} }, ref $self);
$new->set($_ => $changes->{$_}) for keys %$changes;
- return $new;
+ return $new->insert;
+}
+
+sub _where_from_hash {
+ my ($self, $query, $opts) = @_;
+ my $op = $opts->{'cmp'} || '=';
+ my $cond = join(' AND ',
+ map { (defined $query->{$_}
+ ? "$_ $op ?"
+ : (do { delete $query->{$_}; "$_ IS NULL"; }));
+ } keys %$query);
+ return ($cond, [ values %$query ]);
}
1;