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-rw-r--r--activerecord/lib/active_record/relation/finder_methods.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb
index fe1ef2e2e3..ab9f10b380 100644
--- a/activerecord/lib/active_record/relation/finder_methods.rb
+++ b/activerecord/lib/active_record/relation/finder_methods.rb
@@ -222,7 +222,7 @@ module ActiveRecord
end
def construct_limited_ids_condition(relation)
- orders = relation.order_values.join(", ")
+ orders = relation.order_values
values = @klass.connection.distinct("#{@klass.connection.quote_table_name @klass.table_name}.#{@klass.primary_key}", orders)
ids_array = relation.select(values).collect {|row| row[@klass.primary_key]}