Update schema.db

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20171220191323) do
+ActiveRecord::Schema.define(version: 20180104215427) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -1900,6 +1900,7 @@ ActiveRecord::Schema.define(version: 20171220191323) do
     t.datetime "updated_at", null: false
   end
 
+  add_index "prometheus_metrics", ["group"], name: "index_prometheus_metrics_on_group", using: :btree
   add_index "prometheus_metrics", ["project_id"], name: "index_prometheus_metrics_on_project_id", using: :btree
 
   create_table "protected_branch_merge_access_levels", force: :cascade do |t|