add index on statuses for /api/v1/accounts/:account_id/statuses (#6202)

1 files changed, 10 insertions, 0 deletions

diff --git a/db/migrate/20180106000232_add_index_on_statuses_for_api_v1_accounts_account_id_statuses.rb b/db/migrate/20180106000232_add_index_on_statuses_for_api_v1_accounts_account_id_statuses.rb
new file mode 100644
index 000000000..401fc5e62
--- /dev/null
+++ b/db/migrate/20180106000232_add_index_on_statuses_for_api_v1_accounts_account_id_statuses.rb
@@ -0,0 +1,10 @@
+class AddIndexOnStatusesForApiV1AccountsAccountIdStatuses < ActiveRecord::Migration[5.1]
+  disable_ddl_transaction!
+
+  def change
+    safety_assured do
+      add_index :statuses, [:account_id, :id, :visibility, :updated_at], order: { id: :desc }, algorithm: :concurrently, name: :index_statuses_20180106
+    end
+    remove_index :statuses, name: :index_statuses_on_account_id_id
+  end
+end