Makes a build_select for the select part of build_arel

1 files changed, 13 insertions, 10 deletions

diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb
index adc56fbef0..1e570a569b 100644
--- a/activerecord/lib/active_record/relation/query_methods.rb
+++ b/activerecord/lib/active_record/relation/query_methods.rb
@@ -137,16 +137,7 @@ module ActiveRecord
 
       arel = arel.order(*@order_values.uniq.select{|o| o.present?}) if @order_values.present?
 
-      selects = @select_values.uniq
-
-      if selects.present?
-        selects.each do |s|
-          @implicit_readonly = false
-          arel = arel.project(s) if s.present?
-        end
-      else
-        arel = arel.project(@klass.quoted_table_name + '.*')
-      end
+      arel = build_select(arel, @select_values.uniq)
 
       arel = arel.from(@from_value) if @from_value.present?
 
@@ -219,6 +210,18 @@ module ActiveRecord
       relation.join(custom_joins)
     end
 
+    def build_select(arel, selects)
+      if selects.present?
+        @implicit_readonly = false
+        selects.each do |s|
+          arel = arel.project(s) if s.present?
+        end
+      else
+        arel = arel.project(@klass.quoted_table_name + '.*')
+      end
+      arel
+    end
+
     def apply_modules(modules)
       values = Array.wrap(modules)
       @extensions += values if values.present?