Use a constant

app/models/home_feed.rb

@@ -1,22 +1,7 @@
 # frozen_string_literal: true
 
 class HomeFeed < Feed
-  def initialize(account)
+  QUERY = <<-SQL
-    @type    = :home
-    @id      = account.id
-    @account = account
-  end
-
-  def get(limit = 20, max_id = nil, since_id = nil, min_id = nil)
-    ActiveRecord::Base.connected_to(role: :reading) do
-      from_database(limit, max_id, since_id, min_id)
-    end
-  end
-
-  private
-
-  def from_database(limit, max_id, since_id, min_id)
-    Status.find_by_sql([<<-SQL, { id: @id, limit: limit, min_id: min_id, max_id: max_id }])
     with cte as
     (
       select
@@ -50,5 +35,17 @@ class HomeFeed < Feed
         cte.rn_dupe = 1 or cte.reblog_of_id is null
     order by so.created_at desc
   SQL
+
+  def initialize(account)
+    @type    = :home
+    @id      = account.id
+    @account = account
+  end
+
+  def get(limit = 20, max_id = nil, since_id = nil, min_id = nil)
+    ActiveRecord::Base.connected_to(role: :reading) do
+      Status.find_by_sql([QUERY, { id: @id, limit: limit, min_id: min_id, max_id: max_id }])
     end
   end
+
+end