1 package DBIx::Class::Table;
6 use base qw/Class::Data::Inheritable DBIx::Class::SQL/;
8 __PACKAGE__->mk_classdata('_columns' => {});
10 __PACKAGE__->mk_classdata('_table_name');
12 __PACKAGE__->mk_classdata('table_alias'); # FIXME XXX
15 my ($class, $attrs) = @_;
16 $class = ref $class if ref $class;
17 my $new = bless({ _column_data => { } }, $class);
19 die "attrs must be a hashref" unless ref($attrs) eq 'HASH';
20 while (my ($k, $v) = each %{$attrs}) {
21 $new->store_column($k => $v);
29 return if $self->{_in_database};
30 my $sth = $self->_get_sth('insert', [ keys %{$self->{_column_data}} ],
31 $self->_table_name, undef);
32 $sth->execute(values %{$self->{_column_data}});
33 $self->{_in_database} = 1;
34 $self->{_dirty_columns} = {};
39 my ($class, $attrs) = @_;
40 die "create needs a hashref" unless ref $attrs eq 'HASH';
41 return $class->new($attrs)->insert;
46 die "Not in database" unless $self->{_in_database};
47 my @to_update = keys %{$self->{_dirty_columns} || {}};
48 return -1 unless @to_update;
49 my $sth = $self->_get_sth('update', \@to_update,
50 $self->_table_name, $self->_ident_cond);
51 my $rows = $sth->execute( (map { $self->{_column_data}{$_} } @to_update),
52 $self->_ident_values );
54 die "Can't update $self: row not found";
56 die "Can't update $self: updated more than one row";
58 $self->{_dirty_columns} = {};
65 #warn $self->_ident_cond.' '.join(', ', $self->_ident_values);
66 my $sth = $self->_get_sth('delete', undef,
67 $self->_table_name, $self->_ident_cond);
68 $sth->execute($self->_ident_values);
70 delete $self->{_in_database};
73 if (@_ > 1 && ref $_[$#_] eq 'HASH') {
74 $attrs = { %{ pop(@_) } };
76 my $query = (ref $_[0] eq 'HASH' ? $_[0] : {@_});
77 my ($cond, @param) = $self->_cond_resolve($query, $attrs);
78 my $sth = $self->_get_sth('delete', undef, $self->_table_name, $cond);
79 $sth->execute(@param);
86 my ($self, $column) = @_;
87 die "Can't fetch data as class method" unless ref $self;
88 die "No such column '${column}'" unless $self->_columns->{$column};
89 return $self->{_column_data}{$column} if $self->_columns->{$column};
95 my $ret = $self->store_column(@_);
96 $self->{_dirty_columns}{$column} = 1;
101 my ($self, $column, $value) = @_;
102 die "No such column '${column}'" unless $self->_columns->{$column};
103 die "set_column called for ${column} without value" if @_ < 3;
104 return $self->{_column_data}{$column} = $value;
107 sub _register_columns {
108 my ($class, @cols) = @_;
109 my $names = { %{$class->_columns} };
110 $names->{$_} ||= {} for @cols;
111 $class->_columns($names);
114 sub _mk_column_accessors {
115 my ($class, @cols) = @_;
116 $class->mk_group_accessors('column' => @cols);
120 my ($class, @cols) = @_;
121 $class->_register_columns(@cols);
122 $class->_mk_column_accessors(@cols);
125 sub retrieve_from_sql {
126 my ($class, $cond, @vals) = @_;
127 $cond =~ s/^\s*WHERE//i;
128 my @cols = $class->_select_columns;
129 my $sth = $class->_get_sth( 'select', \@cols, $class->_table_name, $cond);
131 return $class->sth_to_objects($sth, \@vals, \@cols);
135 my ($class, $sth, $args, $cols) = @_;
136 my @cols = ((ref $cols eq 'ARRAY') ? @$cols : @{$sth->{NAME_lc}} );
137 $sth->execute(@$args);
139 while (my @row = $sth->fetchrow_array) {
140 my $new = $class->new;
141 $new->store_column($_, shift @row) for @cols;
142 $new->{_in_database} = 1;
151 if (@_ > 1 && ref $_[$#_] eq 'HASH') {
152 $attrs = { %{ pop(@_) } };
154 my $query = ref $_[0] eq "HASH" ? shift: {@_};
155 my ($cond, @param) = $class->_cond_resolve($query, $attrs);
156 return $class->retrieve_from_sql($cond, @param);
162 if (@_ > 1 && ref $_[$#_] eq 'HASH') {
165 return $class->search(@_, { %$attrs, cmp => 'LIKE' });
168 sub _select_columns {
169 return keys %{$_[0]->_columns};
173 my ($self, $changes) = @_;
174 my $new = bless({ _column_data => { %{$self->{_column_data}}} }, ref $self);
175 $new->set_column($_ => $changes->{$_}) for keys %$changes;
180 my ($self, $query, $attrs) = @_;
181 my $op = $attrs->{'cmp'} || '=';
182 my $cond = join(' AND ',
183 map { (defined $query->{$_}
185 : (do { delete $query->{$_}; "$_ IS NULL"; }));
187 return ($cond, values %$query);
191 shift->_table_name(@_);