Fix: quote_of_idのインデックス

db/post_migrate/20231022074913_add_statuses_quote_index.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+require Rails.root.join('lib', 'mastodon', 'migration_helpers')
+
+class AddStatusesQuoteIndex < ActiveRecord::Migration[7.0]
+  include Mastodon::MigrationHelpers
+
+  disable_ddl_transaction!
+
+  def change
+    safety_assured { add_index :statuses, [:quote_of_id, :account_id], unique: false }
+  end
+end