From 7d03ceb9ef4a61bb12ba463e78d554b82555d399 Mon Sep 17 00:00:00 2001 From: notozeki Date: Wed, 22 Jan 2020 02:56:34 +0900 Subject: [PATCH] Fix slow query of federated timeline (#12886) --- .../20200119112504_add_public_index_to_statuses.rb | 11 +++++++++++ db/schema.rb | 3 ++- 2 files changed, 13 insertions(+), 1 deletion(-) create mode 100644 db/migrate/20200119112504_add_public_index_to_statuses.rb diff --git a/db/migrate/20200119112504_add_public_index_to_statuses.rb b/db/migrate/20200119112504_add_public_index_to_statuses.rb new file mode 100644 index 0000000000..db007848e0 --- /dev/null +++ b/db/migrate/20200119112504_add_public_index_to_statuses.rb @@ -0,0 +1,11 @@ +class AddPublicIndexToStatuses < ActiveRecord::Migration[5.2] + disable_ddl_transaction! + + def up + add_index :statuses, [:id, :account_id], name: :index_statuses_public_20200119, algorithm: :concurrently, order: { id: :desc }, where: 'deleted_at IS NULL AND visibility = 0 AND reblog_of_id IS NULL AND ((NOT reply) OR (in_reply_to_account_id = account_id))' + end + + def down + remove_index :statuses, name: :index_statuses_public_20200119 + end +end diff --git a/db/schema.rb b/db/schema.rb index 5a6b2530c7..fc2d3a5118 100644 --- a/db/schema.rb +++ b/db/schema.rb @@ -10,7 +10,7 @@ # # It's strongly recommended that you check this file into your version control system. -ActiveRecord::Schema.define(version: 2019_12_12_003415) do +ActiveRecord::Schema.define(version: 2020_01_19_112504) do # These are extensions that must be enabled in order to support this database enable_extension "plpgsql" @@ -690,6 +690,7 @@ ActiveRecord::Schema.define(version: 2019_12_12_003415) do t.datetime "deleted_at" t.index ["account_id", "id", "visibility", "updated_at"], name: "index_statuses_20190820", order: { id: :desc }, where: "(deleted_at IS NULL)" t.index ["id", "account_id"], name: "index_statuses_local_20190824", order: { id: :desc }, where: "((local OR (uri IS NULL)) AND (deleted_at IS NULL) AND (visibility = 0) AND (reblog_of_id IS NULL) AND ((NOT reply) OR (in_reply_to_account_id = account_id)))" + t.index ["id", "account_id"], name: "index_statuses_public_20200119", order: { id: :desc }, where: "((deleted_at IS NULL) AND (visibility = 0) AND (reblog_of_id IS NULL) AND ((NOT reply) OR (in_reply_to_account_id = account_id)))" t.index ["in_reply_to_account_id"], name: "index_statuses_on_in_reply_to_account_id" t.index ["in_reply_to_id"], name: "index_statuses_on_in_reply_to_id" t.index ["reblog_of_id", "account_id"], name: "index_statuses_on_reblog_of_id_and_account_id"