diff options
Diffstat (limited to 'db/migrate')
| -rw-r--r-- | db/migrate/20180514130000_improve_index_on_statuses_for_api_v1_accounts_account_id_statuses.rb | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/db/migrate/20180514130000_improve_index_on_statuses_for_api_v1_accounts_account_id_statuses.rb b/db/migrate/20180514130000_improve_index_on_statuses_for_api_v1_accounts_account_id_statuses.rb new file mode 100644 index 000000000..2573bdf94 --- /dev/null +++ b/db/migrate/20180514130000_improve_index_on_statuses_for_api_v1_accounts_account_id_statuses.rb @@ -0,0 +1,11 @@ +# frozen_string_literal: true + +class ImproveIndexOnStatusesForApiV1AccountsAccountIdStatuses < ActiveRecord::Migration[5.1] + disable_ddl_transaction! + + def change + add_index :statuses, [:account_id, :id, :visibility], where: 'visibility IN (0, 1, 2)', algorithm: :concurrently + add_index :statuses, [:account_id, :id], where: 'visibility = 3', algorithm: :concurrently + remove_index :statuses, column: [:account_id, :id, :visibility, :updated_at], order: { id: :desc }, algorithm: :concurrently, name: :index_statuses_20180106 + end +end |