Add relation from p.voip_subscriber to b.contract.

A provisioning.voip_subscriber belongs to a billing.contract.

lib/NGCP/Schema.pm

@@ -7,7 +7,7 @@ use Regexp::IPv6 qw($IPv6_re);
 use MooseX::ClassAttribute qw(class_has);
 extends 'DBIx::Class::Schema';
 
-our $VERSION = '1.005';
+our $VERSION = '1.006';
 
 __PACKAGE__->load_namespaces;
 

lib/NGCP/Schema/Result/provisioning_voip_subscribers.pm

@@ -424,6 +424,13 @@ __PACKAGE__->has_one(
   { cascade_copy => 0, cascade_delete => 0 },
 );
 
+__PACKAGE__->belongs_to(
+  "contract",
+  "NGCP::Schema::Result::contracts",
+  { 'foreign.id' => 'self.account_id' },
+  { cascade_copy => 0, cascade_delete => 0 },
+);
+
 
 __PACKAGE__->meta->make_immutable;
 1;