db/migrate/20171122120436_add_index_account_and_reblog_of_id_to_statuses.rb


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class AddIndexAccountAndReblogOfIdToStatuses < ActiveRecord::Migration[5.1]
  def change
    commit_db_transaction
    add_index :statuses, [:account_id, :reblog_of_id], algorithm: :concurrently
  end
end