the migration file might help

rapid7 · Jan 12, 2015 · 48ef0e5 · 48ef0e5
1 parent e923af2
commit 48ef0e5
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/db/migrate/20150109172618_add_index_to_service.rb b/db/migrate/20150109172618_add_index_to_service.rb
@@ -0,0 +1,5 @@
+class AddIndexToService < ActiveRecord::Migration
+  def change
+    add_index :services, [:host_id, :port, :proto], unique: true
+  end
+end