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20190820003045_update_statuses_index.rb 607 B

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  1. class UpdateStatusesIndex < ActiveRecord::Migration[5.2]
  2. disable_ddl_transaction!
  3. def up
  4. safety_assured { add_index :statuses, [:account_id, :id, :visibility, :updated_at], where: 'deleted_at IS NULL', order: { id: :desc }, algorithm: :concurrently, name: :index_statuses_20190820 }
  5. remove_index :statuses, name: :index_statuses_20180106
  6. end
  7. def down
  8. safety_assured { add_index :statuses, [:account_id, :id, :visibility, :updated_at], order: { id: :desc }, algorithm: :concurrently, name: :index_statuses_20180106 }
  9. remove_index :statuses, name: :index_statuses_20190820
  10. end
  11. end