From 732f5380af5d688a152de9c5b4bb14ffb935dd2a Mon Sep 17 00:00:00 2001 From: Yorick Peterse Date: Tue, 3 Nov 2015 11:54:43 +0100 Subject: [PATCH] Only sort by IDs by default Sorting by both "created_at" and "id" in descending order is not needed as simply sorting by "id" in descending order will already sort rows from new to old. Depending on the query and data involved sorting twice can also introduce significant overhead. --- app/models/concerns/sortable.rb | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/app/models/concerns/sortable.rb b/app/models/concerns/sortable.rb index 0ad2654867d..913c747a1c3 100644 --- a/app/models/concerns/sortable.rb +++ b/app/models/concerns/sortable.rb @@ -8,12 +8,12 @@ module Sortable included do # By default all models should be ordered # by created_at field starting from newest - default_scope { order(created_at: :desc, id: :desc) } + default_scope { order(id: :desc) } - scope :order_created_desc, -> { reorder(created_at: :desc, id: :desc) } - scope :order_created_asc, -> { reorder(created_at: :asc, id: :asc) } - scope :order_updated_desc, -> { reorder(updated_at: :desc, id: :desc) } - scope :order_updated_asc, -> { reorder(updated_at: :asc, id: :asc) } + scope :order_created_desc, -> { reorder(created_at: :desc) } + scope :order_created_asc, -> { reorder(created_at: :asc) } + scope :order_updated_desc, -> { reorder(updated_at: :desc) } + scope :order_updated_asc, -> { reorder(updated_at: :asc) } scope :order_name_asc, -> { reorder(name: :asc) } scope :order_name_desc, -> { reorder(name: :desc) } end