Story#108521790 - import dnskey history

app/models/dnskey.rb

@@ -120,5 +120,9 @@ class Dnskey < ActiveRecord::Base
     def bin_to_hex(s)
       s.each_byte.map { |b| format('%02X', b) }.join
     end
+
+    def next_id
+      self.connection.select_value("SELECT nextval('#{self.sequence_name}')")
+    end
   end
 end

app/models/legacy/dnskey.rb

@@ -1,8 +1,10 @@
 module Legacy
   class Dnskey < Db
     self.table_name = :dnskey
+    self.primary_key = :id
 
     belongs_to :object_registry, foreign_key: :id
     belongs_to :object, foreign_key: :id
+    has_one :object_history, foreign_key: :historyid, primary_key: :historyid
   end
 end

app/models/legacy/dnskey_history.rb

@@ -0,0 +1,8 @@
+module Legacy
+  class DnskeyHistory < Db
+    self.table_name = :dnskey_history
+
+    belongs_to :object_registry, foreign_key: :id
+    belongs_to :object, foreign_key: :id
+  end
+end