Add: #641 preview_cards、media_attachmentsにインデックスを追加 (#674)

db/post_migrate/20240326231854_improve_preview_cards_vacuum.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+class ImprovePreviewCardsVacuum < ActiveRecord::Migration[7.1]
+  disable_ddl_transaction!
+
+  def change
+    add_index :preview_cards, :id, name: 'index_preview_cards_vacuum', where: "image_file_name IS NOT NULL AND image_file_name <> ''", algorithm: :concurrently
+    add_index :media_attachments, :id, name: 'index_media_attachments_vacuum', where: "file_file_name IS NOT NULL AND remote_url <> ''", algorithm: :concurrently
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2024_03_22_161611) do
+ActiveRecord::Schema[7.1].define(version: 2024_03_26_231854) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -853,6 +853,7 @@ ActiveRecord::Schema[7.1].define(version: 2024_03_22_161611) do
     t.datetime "thumbnail_updated_at", precision: nil
     t.string "thumbnail_remote_url"
     t.index ["account_id", "status_id"], name: "index_media_attachments_on_account_id_and_status_id", order: { status_id: :desc }
+    t.index ["id"], name: "index_media_attachments_vacuum", where: "((file_file_name IS NOT NULL) AND ((remote_url)::text <> ''::text))"
     t.index ["scheduled_status_id"], name: "index_media_attachments_on_scheduled_status_id", where: "(scheduled_status_id IS NOT NULL)"
     t.index ["shortcode"], name: "index_media_attachments_on_shortcode", unique: true, opclass: :text_pattern_ops, where: "(shortcode IS NOT NULL)"
     t.index ["status_id"], name: "index_media_attachments_on_status_id"
@@ -1178,6 +1179,7 @@ ActiveRecord::Schema[7.1].define(version: 2024_03_22_161611) do
     t.integer "link_type"
     t.datetime "published_at"
     t.string "image_description", default: "", null: false
+    t.index ["id"], name: "index_preview_cards_vacuum", where: "((image_file_name IS NOT NULL) AND ((image_file_name)::text <> ''::text))"
     t.index ["url"], name: "index_preview_cards_on_url", unique: true
   end
 

lib/tasks/dangerous.rake

@@ -95,6 +95,7 @@ namespace :dangerous do
       20240229233617
       20240312230204
       20240320231633
+      20240326231854
     )
     # Removed: account_groups
     target_tables = %w(
@@ -177,6 +178,8 @@ namespace :dangerous do
     target_indices = %w(
       index_statuses_on_url
       index_statuses_on_conversation_id
+      index_preview_cards_vacuum
+      index_media_attachments_vacuum
     )
 
     prompt.say 'Processing...'