fixes #1865

app/logical/current_user.rb

@@ -46,12 +46,18 @@ class CurrentUser
     Thread.current[:safe_mode]
   end
 
+  def self.admin_mode?
+    Thread.current[:admin_mode]
+  end
+
   def self.without_safe_mode
     prev = Thread.current[:safe_mode]
     Thread.current[:safe_mode] = false
+    Thread.current[:admin_mode] = true
     yield
   ensure
     Thread.current[:safe_mode] = prev
+    Thread.current[:admin_mode] = false
   end
 
   def self.set_safe_mode(req)

app/logical/post_query_builder.rb

@@ -155,7 +155,7 @@ class PostQueryBuilder
       relation = relation.where("posts.is_flagged = FALSE")
     elsif q[:status_neg] == "deleted"
       relation = relation.where("posts.is_deleted = FALSE")
-    elsif CurrentUser.user.hide_deleted_posts?
+    elsif CurrentUser.user.hide_deleted_posts? && !CurrentUser.admin_mode?
       relation = relation.where("posts.is_deleted = FALSE")
     end