X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FInflateColumn.pm;h=292cabe298811d2255f7754209fb3f86bfeb18e1;hb=7f4433eb9bbe0650b4f5e2dff8bf817f4d28d3df;hp=ee3081c4100db85b4c68662100aca46fba82dda8;hpb=ef7a8b67862cb8d034591cdc564945dc2c7a61a4;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/InflateColumn.pm b/lib/DBIx/Class/InflateColumn.pm index ee3081c..292cabe 100644 --- a/lib/DBIx/Class/InflateColumn.pm +++ b/lib/DBIx/Class/InflateColumn.pm @@ -26,7 +26,7 @@ for the database. It can be used, for example, to automatically convert to and from L objects for your date and time fields. There's a -conveniece component to actually do that though, try +convenience component to actually do that though, try L. It will handle all types of references except scalar references. It @@ -37,7 +37,7 @@ deal with, to allow such settings as C< \'year + 1'> and C< \'DEFAULT' > to work. If you want to filter plain scalar values and replace them with -something else, contribute a filtering component. +something else, see L. =head1 METHODS @@ -74,12 +74,18 @@ used in the database layer. sub inflate_column { my ($self, $col, $attrs) = @_; + + $self->throw_exception("InflateColumn does not work with FilterColumn") + if $self->isa('DBIx::Class::FilterColumn') && + defined $self->column_info($col)->{_filter_info}; + $self->throw_exception("No such column $col to inflate") unless $self->has_column($col); $self->throw_exception("inflate_column needs attr hashref") unless ref $attrs eq 'HASH'; $self->column_info($col)->{_inflate_info} = $attrs; - $self->mk_group_accessors('inflated_column' => [$self->column_info($col)->{accessor} || $col, $col]); + my $acc = $self->column_info($col)->{accessor}; + $self->mk_group_accessors('inflated_column' => [ (defined $acc ? $acc : $col), $col]); return 1; } @@ -113,7 +119,7 @@ sub _deflated_column { Fetch a column value in its inflated state. This is directly analogous to L in that it only fetches a -column already retreived from the database, and then inflates it. +column already retrieved from the database, and then inflates it. Throws an exception if the column requested is not an inflated column. =cut @@ -124,8 +130,11 @@ sub get_inflated_column { unless exists $self->column_info($col)->{_inflate_info}; return $self->{_inflated_column}{$col} if exists $self->{_inflated_column}{$col}; - return $self->{_inflated_column}{$col} = - $self->_inflated_column($col, $self->get_column($col)); + + my $val = $self->get_column($col); + return $val if ref $val eq 'SCALAR'; #that would be a not-yet-reloaded sclarref update + + return $self->{_inflated_column}{$col} = $self->_inflated_column($col, $val); } =head2 set_inflated_column @@ -142,9 +151,9 @@ sub set_inflated_column { $self->set_column($col, $self->_deflated_column($col, $inflated)); # if (blessed $inflated) { if (ref $inflated && ref($inflated) ne 'SCALAR') { - $self->{_inflated_column}{$col} = $inflated; + $self->{_inflated_column}{$col} = $inflated; } else { - delete $self->{_inflated_column}{$col}; + delete $self->{_inflated_column}{$col}; } return $inflated; } @@ -175,7 +184,7 @@ sub store_inflated_column { =over 4 =item L - This component is loaded as part of the - "core" L components; generally there is no need to + C L components; generally there is no need to load it directly =back