From ec3bb41e383e0d3d229e84e0d71c215d31d1a502 Mon Sep 17 00:00:00 2001 From: multiple creatures Date: Sun, 1 Mar 2020 13:10:06 -0600 Subject: improve column indexes on `statuses` table --- db/migrate/20200227214439_modify_status_index.rb | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 db/migrate/20200227214439_modify_status_index.rb diff --git a/db/migrate/20200227214439_modify_status_index.rb b/db/migrate/20200227214439_modify_status_index.rb new file mode 100644 index 000000000..df8ca263a --- /dev/null +++ b/db/migrate/20200227214439_modify_status_index.rb @@ -0,0 +1,15 @@ +class ModifyStatusIndex < ActiveRecord::Migration[5.2] + def up + remove_index :statuses, name: :index_statuses_20190820 + remove_index :statuses, name: :index_statuses_on_account_id_and_id_and_visibility_not_hidden + remove_index :statuses, name: :index_statuses_on_account_id_and_id_and_visibility + remove_index :statuses, name: :index_statuses_local_20190824 + + safety_assured do + add_index :statuses, [:account_id, :id, :visibility, :updated_at], where: '(deleted_at IS NULL) AND (NOT hidden)', order: { id: :desc }, name: :index_statuses_20200301 + add_index :statuses, [:id, :account_id], where: 'network AND (NOT hidden) AND ((local OR (uri IS NULL)) AND (deleted_at IS NULL) AND (visibility IN (0, 5)) AND (reblog_of_id IS NULL) AND ((NOT reply) OR (in_reply_to_account_id = account_id)))', order: { id: :desc }, name: :index_statuses_local_20200301 + add_index :statuses, [:id, :account_id], where: '(NOT hidden) AND ((deleted_at IS NULL) AND (visibility in (0, 1, 5)) AND (reblog_of_id IS NULL) AND ((NOT reply) OR (in_reply_to_account_id = account_id)))', order: { id: :desc }, name: :index_statuses_public_20200301 + add_index :statuses, [:id, :account_id], where: 'hidden', name: :index_statuses_hidden_20200301 + end + end +end -- cgit