From 50705227b891d68573d468824653e6c7eb4cc46a Mon Sep 17 00:00:00 2001
From: nixx <nixx.dj@gmail.com>
Date: Wed, 4 Sep 2019 16:08:51 +0300
Subject: [PATCH] fix last method

---
 lib/active_record/connection_adapters/clickhouse_adapter.rb | 4 ++--
 lib/clickhouse-activerecord/version.rb                      | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/active_record/connection_adapters/clickhouse_adapter.rb b/lib/active_record/connection_adapters/clickhouse_adapter.rb
index 739c452a..554d2ce7 100644
--- a/lib/active_record/connection_adapters/clickhouse_adapter.rb
+++ b/lib/active_record/connection_adapters/clickhouse_adapter.rb
@@ -30,13 +30,13 @@ def clickhouse_connection(config)
     end
   end
 
-  module QueryMethods
+  class Relation
 
     # Replace for only ClickhouseAdapter
     def reverse_order!
       orders = order_values.uniq
       orders.reject!(&:blank?)
-      if self.connection.is_a?(ConnectionAdapters::ClickhouseAdapter) && orders.empty?
+      if self.connection.is_a?(ConnectionAdapters::ClickhouseAdapter) && orders.empty? && !primary_key
         self.order_values = %w(date created_at).select {|c| column_names.include?(c) }.map{|c| arel_attribute(c).desc }
       else
         self.order_values = reverse_sql_order(orders)
diff --git a/lib/clickhouse-activerecord/version.rb b/lib/clickhouse-activerecord/version.rb
index 89b70ce7..dd7f9e9e 100644
--- a/lib/clickhouse-activerecord/version.rb
+++ b/lib/clickhouse-activerecord/version.rb
@@ -1,3 +1,3 @@
 module ClickhouseActiverecord
-  VERSION = '0.3.7'
+  VERSION = '0.3.8'
 end