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}});
34 $self->in_database(1);
35 $self->{_dirty_columns} = {};
40 my ($self, $val) = @_;
41 $self->{_in_database} = $val if @_ > 1;
42 return $self->{_in_database};
46 my ($class, $attrs) = @_;
47 die "create needs a hashref" unless ref $attrs eq 'HASH';
48 return $class->new($attrs)->insert;
53 die "Not in database" unless $self->in_database;
54 my @to_update = keys %{$self->{_dirty_columns} || {}};
55 return -1 unless @to_update;
56 my $sth = $self->_get_sth('update', \@to_update,
57 $self->_table_name, $self->_ident_cond);
58 my $rows = $sth->execute( (map { $self->{_column_data}{$_} } @to_update),
59 $self->_ident_values );
62 die "Can't update $self: row not found";
64 die "Can't update $self: updated more than one row";
66 $self->{_dirty_columns} = {};
73 die "Not in database" unless $self->in_database;
74 #warn $self->_ident_cond.' '.join(', ', $self->_ident_values);
75 my $sth = $self->_get_sth('delete', undef,
76 $self->_table_name, $self->_ident_cond);
77 $sth->execute($self->_ident_values);
79 $self->in_database(undef);
82 if (@_ > 1 && ref $_[$#_] eq 'HASH') {
83 $attrs = { %{ pop(@_) } };
85 my $query = (ref $_[0] eq 'HASH' ? $_[0] : {@_});
86 my ($cond, @param) = $self->_cond_resolve($query, $attrs);
87 my $sth = $self->_get_sth('delete', undef, $self->_table_name, $cond);
88 $sth->execute(@param);
95 my ($self, $column) = @_;
96 die "Can't fetch data as class method" unless ref $self;
97 die "No such column '${column}'" unless $self->_columns->{$column};
98 return $self->{_column_data}{$column} if $self->_columns->{$column};
104 my $ret = $self->store_column(@_);
105 $self->{_dirty_columns}{$column} = 1;
110 my ($self, $column, $value) = @_;
111 die "No such column '${column}'" unless $self->_columns->{$column};
112 die "set_column called for ${column} without value" if @_ < 3;
113 return $self->{_column_data}{$column} = $value;
116 sub _register_columns {
117 my ($class, @cols) = @_;
118 my $names = { %{$class->_columns} };
119 $names->{$_} ||= {} for @cols;
120 $class->_columns($names);
123 sub _mk_column_accessors {
124 my ($class, @cols) = @_;
125 $class->mk_group_accessors('column' => @cols);
129 my ($class, @cols) = @_;
130 $class->_register_columns(@cols);
131 $class->_mk_column_accessors(@cols);
134 sub retrieve_from_sql {
135 my ($class, $cond, @vals) = @_;
136 $cond =~ s/^\s*WHERE//i;
137 my $attrs = (ref $vals[$#vals] eq 'HASH' ? pop(@vals) : {});
138 my @cols = $class->_select_columns($attrs);
139 my $sth = $class->_get_sth( 'select', \@cols, $class->_table_name, $cond);
141 return $class->sth_to_objects($sth, \@vals, \@cols);
145 my ($class, $sth, $args, $cols) = @_;
146 my @cols = ((ref $cols eq 'ARRAY') ? @$cols : @{$sth->{NAME_lc}} );
147 $sth->execute(@$args);
149 while (my @row = $sth->fetchrow_array) {
150 my $new = $class->new;
151 $new->store_column($_, shift @row) for @cols;
152 $new->in_database(1);
162 if (@_ > 1 && ref $_[$#_] eq 'HASH') {
163 $attrs = { %{ pop(@_) } };
165 my $query = ref $_[0] eq "HASH" ? shift: {@_};
166 my ($cond, @param) = $class->_cond_resolve($query, $attrs);
167 return $class->retrieve_from_sql($cond, @param, $attrs);
173 if (@_ > 1 && ref $_[$#_] eq 'HASH') {
176 return $class->search(@_, { %$attrs, cmp => 'LIKE' });
179 sub _select_columns {
180 return keys %{$_[0]->_columns};
184 my ($self, $changes) = @_;
185 my $new = bless({ _column_data => { %{$self->{_column_data}}} }, ref $self);
186 $new->set_column($_ => $changes->{$_}) for keys %$changes;
191 my ($self, $query, $attrs) = @_;
192 return '1 = 1' unless keys %$query;
193 my $op = $attrs->{'cmp'} || '=';
194 my $cond = join(' AND ',
195 map { (defined $query->{$_}
197 : (do { delete $query->{$_}; "$_ IS NULL"; }));
199 return ($cond, values %$query);
203 shift->_table_name(@_);