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mastofe

My custom branche(s) on git.pleroma.social/pleroma/mastofe
commit: 6f34a6a77f5df6ddd6980c85c9edcc6aa400df73
parent: e078919f07c3542f8cc6aedc3c554404f328e907
Author: Akihiko Odaki (@fn_aki@pawoo.net) <akihiko.odaki.4i@stu.hosei.ac.jp>
Date:   Sat, 24 Jun 2017 00:46:00 +0900

Add index statuses on account_id and id (#3895)


Diffstat:

Adb/migrate/20170610000000_add_statuses_index_on_account_id_id.rb13+++++++++++++
Mdb/schema.rb4++--
2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/db/migrate/20170610000000_add_statuses_index_on_account_id_id.rb b/db/migrate/20170610000000_add_statuses_index_on_account_id_id.rb @@ -0,0 +1,13 @@ +class AddStatusesIndexOnAccountIdId < ActiveRecord::Migration[5.1] + disable_ddl_transaction! + + def change + # Statuses queried by account_id are often sorted by id. Querying statuses + # of an account to show them in his status page is one of the most + # significant examples. + # Add this index to improve the performance in such cases. + add_index 'statuses', ['account_id', 'id'], algorithm: :concurrently, name: 'index_statuses_on_account_id_id' + + remove_index 'statuses', algorithm: :concurrently, column: 'account_id', name: 'index_statuses_on_account_id' + end +end diff --git 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: 20170609145826) do +ActiveRecord::Schema.define(version: 20170610000000) do # These are extensions that must be enabled in order to support this database enable_extension "plpgsql" @@ -279,7 +279,7 @@ ActiveRecord::Schema.define(version: 20170609145826) do t.integer "reblogs_count", default: 0, null: false t.string "language" t.bigint "conversation_id" - t.index ["account_id"], name: "index_statuses_on_account_id" + t.index ["account_id", "id"], name: "index_statuses_on_account_id_id" t.index ["conversation_id"], name: "index_statuses_on_conversation_id" t.index ["in_reply_to_id"], name: "index_statuses_on_in_reply_to_id" t.index ["reblog_of_id"], name: "index_statuses_on_reblog_of_id"