Add method unserializable_data_types to ToJSON helper

lib/DBIx/Class/Helper/Row/ToJSON.pm

@@ -8,6 +8,7 @@ use warnings;
 use parent 'DBIx::Class::Row';
 
 __PACKAGE__->mk_group_accessors(inherited => '_serializable_columns');
+__PACKAGE__->mk_group_accessors(inherited => '_unserializable_data_types');
 
 my $dont_serialize = {
    text  => 1,
@@ -22,7 +23,7 @@ sub _is_column_serializable {
 
    if (!defined $info->{is_serializable}) {
       if (defined $info->{data_type} &&
-          $dont_serialize->{lc $info->{data_type}}
+          $self->unserializable_data_types->{lc $info->{data_type}}
       ) {
          $info->{is_serializable} = 0;
       } else {
@@ -56,6 +57,14 @@ sub TO_JSON {
    };
 }
 
+sub unserializable_data_types {
+   my $self = shift;
+   if (!$self->_unserializable_data_types) {
+      $self->_unserializable_data_types($dont_serialize);
+   }
+   return $self->_unserializable_data_types;
+}
+
 1;
 
 =pod
@@ -140,3 +149,20 @@ to the returned hashref:
        %{ $self->next::method },
     }
  }
+
+=method unserializable_data_types
+
+ $self->unserializable_data_types
+
+Simply returns a hashref of data types that TO_JSON should not serialize.
+Defaults to C<blob>, C<text>, or C<ntext>.
+
+If you wanted to allow serialization of text data types, you might override this
+method to look like this:
+
+ sub unserializable_data_types {
+    return {
+       blob  => 1,
+       ntext => 1,
+    };
+ }

t/Row/ToJSON.t

@@ -77,4 +77,22 @@ ACCESSOR_CLASS: {
    }], 'accessor fields with TO_JSON works');
 }
 
+SERIALIZE_ALL_DATA_TYPES: {
+   my $datas = [
+      map $_->TO_JSON,
+         $schema->resultset('SerializeAll')->search(undef, { order_by => 'id' })->all
+      ];
+
+   cmp_deeply($datas, [{
+         id => 1,
+         text_column => 'frew',
+      },{
+         id => 2,
+         text_column => 'frioux',
+      },{
+         id => 3,
+         text_column => 'frooh',
+   }], 'serialize all data types with TO_JSON');
+}
+
 done_testing;

t/lib/TestSchema.pm

@@ -123,6 +123,13 @@ sub prepopulate {
       [2,'cc','dd'],
       [3,'ee','ff'],
    ]);
+
+   $self->populate(SerializeAll => [
+      [qw{id text_column}],
+      [1,'frew'],
+      [2,'frioux'],
+      [3,'frooh'],
+   ]);
 }
 
 'kitten eater';

t/lib/TestSchema/Result/SerializeAll.pm

@@ -0,0 +1,15 @@
+package TestSchema::Result::SerializeAll;
+
+use DBIx::Class::Candy
+   -components => [qw(
+      Helper::Row::ToJSON
+   )];
+
+table 'SerializeAll';
+
+primary_column id => { data_type => 'int' };;
+column text_column => { data_type => 'text' };
+
+sub unserializable_data_types { {} }
+
+1;