Add index for `answers.created_at`

This improves query time for the public timeline
This commit is contained in:
Karina Kwiatek 2023-02-18 15:32:29 +01:00
parent fc75b222c1
commit b5b4f11056
2 changed files with 9 additions and 1 deletions

View File

@ -0,0 +1,7 @@
# frozen_string_literal: true
class AddIndexForCreatedAtOnAnswers < ActiveRecord::Migration[6.1]
def change
add_index :answers, :created_at, order: :desc
end
end

View File

@ -10,7 +10,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 2023_02_12_181044) do
ActiveRecord::Schema.define(version: 2023_02_18_142952) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
@ -49,6 +49,7 @@ ActiveRecord::Schema.define(version: 2023_02_12_181044) do
t.datetime "updated_at"
t.integer "smile_count", default: 0, null: false
t.datetime "pinned_at"
t.index ["created_at"], name: "index_answers_on_created_at", order: :desc
t.index ["question_id"], name: "index_answers_on_question_id"
t.index ["user_id", "created_at"], name: "index_answers_on_user_id_and_created_at"
t.index ["user_id", "pinned_at"], name: "index_answers_on_user_id_and_pinned_at"