X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FPK.pm;h=4889b637aa1e810ae9b6d3ca4a86e3090089ae86;hb=fea3d0452969e98afc0296ba80f90a91ab7dc1be;hp=f156b59519c3700f1ec5ca71f1292f2157e0e9d2;hpb=741d6d0ecddc46df590f700f5270d1e287d4ab2b;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/PK.pm b/lib/DBIx/Class/PK.pm index f156b59..4889b63 100644 --- a/lib/DBIx/Class/PK.pm +++ b/lib/DBIx/Class/PK.pm @@ -6,8 +6,6 @@ use Tie::IxHash; use base qw/DBIx::Class::Row/; -__PACKAGE__->mk_classdata('_primaries' => {}); - =head1 NAME DBIx::Class::PK - Primary Key class @@ -25,64 +23,12 @@ depending on them. sub _ident_cond { my ($class) = @_; - return join(" AND ", map { "$_ = ?" } keys %{$class->_primaries}); + return join(" AND ", map { "$_ = ?" } $class->primary_columns); } sub _ident_values { my ($self) = @_; - return (map { $self->{_column_data}{$_} } keys %{$self->_primaries}); -} - -=head2 set_primary_key(@cols) - -Defines one or more columns as primary key for this class. Should be -called after C. - -=cut - -sub set_primary_key { - my ($class, @cols) = @_; - # check if primary key columns are valid columns - for (@cols) { - $class->throw( "Column $_ can't be used as primary key because it isn't defined in $class" ) - unless $class->has_column($_); - } - my %pri; - tie %pri, 'Tie::IxHash', map { $_ => {} } @cols; - $class->_primaries(\%pri); -} - -=head2 find(@colvalues), find(\%cols) - -Finds a row based on its primary key(s). - -=cut - -sub find { - my ($class, @vals) = @_; - my $attrs = (@vals > 1 && ref $vals[$#vals] eq 'HASH' ? pop(@vals) : {}); - my @pk = keys %{$class->_primaries}; - $class->throw( "Can't find unless primary columns are defined" ) - unless @pk; - my $query; - if (ref $vals[0] eq 'HASH') { - $query = $vals[0]; - } elsif (@pk == @vals) { - $query = {}; - @{$query}{@pk} = @vals; - #my $ret = ($class->search_literal($class->_ident_cond, @vals, $attrs))[0]; - #warn "$class: ".join(', ', %{$ret->{_column_data}}); - #return $ret; - } else { - $query = {@vals}; - } - $class->throw( "Can't find unless all primary keys are specified" ) - unless (keys %$query >= @pk); # If we check 'em we run afoul of uc/lc - # column names etc. Not sure what to do yet - return $class->search($query)->next; - #my @cols = $class->_select_columns; - #my @row = $class->storage->select_single($class->_table_name, \@cols, $query); - #return (@row ? $class->_row_to_object(\@cols, \@row) : ()); + return (map { $self->{_column_data}{$_} } $self->primary_columns); } =head2 discard_changes @@ -120,17 +66,6 @@ sub id { return (wantarray ? @pk : $pk[0]); } -=head2 primary_columns - -Read-only accessor which returns the list of primary keys for a class -(in scalar context, only returns the first primary key). - -=cut - -sub primary_columns { - return keys %{shift->_primaries}; -} - =head2 ID Returns a unique id string identifying a row object by primary key. @@ -143,7 +78,7 @@ sub ID { my ($self) = @_; $self->throw( "Can't call ID() as a class method" ) unless ref $self; return undef unless $self->in_storage; - return $self->_create_ID(map { $_ => $self->{_column_data}{$_} } keys %{$self->_primaries}); + return $self->_create_ID(map { $_ => $self->{_column_data}{$_} } $self->primary_columns); } sub _create_ID { @@ -154,9 +89,9 @@ sub _create_ID { } sub ident_condition { - my ($self) = @_; + my ($self, $alias) = @_; my %cond; - $cond{$_} = $self->get_column($_) for $self->primary_columns; + $cond{(defined $alias ? "${alias}.$_" : $_)} = $self->get_column($_) for $self->primary_columns; return \%cond; }