From 0dfffb6dcb48f881a39c17841ce8f02087d219d6 Mon Sep 17 00:00:00 2001
From: Shunsuke Michii <harukasan@me.com>
Date: Tue, 16 May 2017 19:12:29 +0900
Subject: [PATCH] Make faster ProcessFeedService (#3080)

* Add index accounts on uri.

* Remove a blank line.
---
 app/services/process_feed_service.rb                   | 2 +-
 db/migrate/20170516072309_add_index_accounts_on_uri.rb | 5 +++++
 db/schema.rb                                           | 3 ++-
 3 files changed, 8 insertions(+), 2 deletions(-)
 create mode 100644 db/migrate/20170516072309_add_index_accounts_on_uri.rb

diff --git a/app/services/process_feed_service.rb b/app/services/process_feed_service.rb
index afd44aafe4..c573c0490c 100644
--- a/app/services/process_feed_service.rb
+++ b/app/services/process_feed_service.rb
@@ -209,7 +209,7 @@ class ProcessFeedService < BaseService
       if TagManager.instance.web_domain?(url.host)
         Account.find_local(url.path.gsub('/users/', ''))
       else
-        Account.find_by(uri: href) || Account.find_by(url: href) || FetchRemoteAccountService.new.call(href)
+        Account.where(uri: href).or(Account.where(url: href)).first || FetchRemoteAccountService.new.call(href)
       end
     end
 
diff --git a/db/migrate/20170516072309_add_index_accounts_on_uri.rb b/db/migrate/20170516072309_add_index_accounts_on_uri.rb
new file mode 100644
index 0000000000..d98e9faa5a
--- /dev/null
+++ b/db/migrate/20170516072309_add_index_accounts_on_uri.rb
@@ -0,0 +1,5 @@
+class AddIndexAccountsOnUri < ActiveRecord::Migration[5.0]
+  def change
+    add_index :accounts, :uri
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 76624f07a3..00016e7c17 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: 20170508230434) do
+ActiveRecord::Schema.define(version: 20170516072309) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -50,6 +50,7 @@ ActiveRecord::Schema.define(version: 20170508230434) do
     t.datetime "last_webfingered_at"
     t.index "(((setweight(to_tsvector('simple'::regconfig, (display_name)::text), 'A'::\"char\") || setweight(to_tsvector('simple'::regconfig, (username)::text), 'B'::\"char\")) || setweight(to_tsvector('simple'::regconfig, (COALESCE(domain, ''::character varying))::text), 'C'::\"char\")))", name: "search_index", using: :gin
     t.index "lower((username)::text), lower((domain)::text)", name: "index_accounts_on_username_and_domain_lower", using: :btree
+    t.index ["uri"], name: "index_accounts_on_uri", using: :btree
     t.index ["url"], name: "index_accounts_on_url", using: :btree
     t.index ["username", "domain"], name: "index_accounts_on_username_and_domain", unique: true, using: :btree
   end