From de22c202f5e103f433926c763fc3ae179d5976ad Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Thu, 30 Mar 2017 15:06:59 +0200
Subject: Add counter caches for a large performance increase on API requests

---
 db/migrate/20170330021336_add_counter_caches.rb | 14 ++++++++++++++
 db/schema.rb                                    |  7 ++++++-
 2 files changed, 20 insertions(+), 1 deletion(-)
 create mode 100644 db/migrate/20170330021336_add_counter_caches.rb

(limited to 'db')

diff --git a/db/migrate/20170330021336_add_counter_caches.rb b/db/migrate/20170330021336_add_counter_caches.rb
new file mode 100644
index 000000000..eb4e54d0a
--- /dev/null
+++ b/db/migrate/20170330021336_add_counter_caches.rb
@@ -0,0 +1,14 @@
+class AddCounterCaches < ActiveRecord::Migration[5.0]
+  def change
+  	add_column :statuses, :favourites_count, :integer
+  	add_column :statuses, :reblogs_count, :integer
+
+  	execute('update statuses set favourites_count = (select count(*) from favourites where favourites.status_id = statuses.id), reblogs_count = (select count(*) from statuses as reblogs where reblogs.reblog_of_id = statuses.id)')
+
+  	add_column :accounts, :statuses_count, :integer
+  	add_column :accounts, :followers_count, :integer
+  	add_column :accounts, :following_count, :integer
+
+  	execute('update accounts set statuses_count = (select count(*) from statuses where account_id = accounts.id), followers_count = (select count(*) from follows where target_account_id = accounts.id), following_count = (select count(*) from follows where account_id = accounts.id)')
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 2457b523d..52437ca57 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: 20170322162804) do
+ActiveRecord::Schema.define(version: 20170330021336) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -44,6 +44,9 @@ ActiveRecord::Schema.define(version: 20170322162804) do
     t.boolean  "suspended",               default: false, null: false
     t.boolean  "locked",                  default: false, null: false
     t.string   "header_remote_url",       default: "",    null: false
+    t.integer  "statuses_count"
+    t.integer  "followers_count"
+    t.integer  "following_count"
     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 ["username", "domain"], name: "index_accounts_on_username_and_domain", unique: true, using: :btree
@@ -220,6 +223,8 @@ ActiveRecord::Schema.define(version: 20170322162804) do
     t.integer  "application_id"
     t.text     "spoiler_text",           default: "",    null: false
     t.boolean  "reply",                  default: false
+    t.integer  "favourites_count"
+    t.integer  "reblogs_count"
     t.index ["account_id"], name: "index_statuses_on_account_id", using: :btree
     t.index ["in_reply_to_id"], name: "index_statuses_on_in_reply_to_id", using: :btree
     t.index ["reblog_of_id"], name: "index_statuses_on_reblog_of_id", using: :btree
-- 
cgit