From aa6b5b42df7bcde08da6bc4d686a83b4533207df Mon Sep 17 00:00:00 2001 From: Eugen Rochko Date: Sat, 24 Aug 2019 04:12:27 +0200 Subject: [PATCH] Fix slow local timeline query (#11648) Fix #11643 --- .../20190823221802_add_local_index_to_statuses.rb | 11 +++++++++++ db/schema.rb | 3 ++- 2 files changed, 13 insertions(+), 1 deletion(-) create mode 100644 db/migrate/20190823221802_add_local_index_to_statuses.rb diff --git a/db/migrate/20190823221802_add_local_index_to_statuses.rb b/db/migrate/20190823221802_add_local_index_to_statuses.rb new file mode 100644 index 000000000..deca25c35 --- /dev/null +++ b/db/migrate/20190823221802_add_local_index_to_statuses.rb @@ -0,0 +1,11 @@ +class AddLocalIndexToStatuses < ActiveRecord::Migration[5.2] + disable_ddl_transaction! + + def up + add_index :statuses, [:id, :account_id], name: :index_statuses_local_20190824, algorithm: :concurrently, 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))' + end + + def down + remove_index :statuses, name: :index_statuses_local_20190824 + end +end diff --git a/db/schema.rb b/db/schema.rb index afa6d724c..482bca367 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_08_20_003045) do +ActiveRecord::Schema.define(version: 2019_08_23_221802) do # These are extensions that must be enabled in order to support this database enable_extension "plpgsql" @@ -646,6 +646,7 @@ ActiveRecord::Schema.define(version: 2019_08_20_003045) do t.bigint "poll_id" 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 ["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"