1 files changed, 7 insertions, 15 deletions
diff --git a/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb b/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb
index 1068e700e2..2fd75c8958 100644
--- a/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb
+++ b/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module ActiveRecord
   class PredicateBuilder
     class ArrayHandler # :nodoc:
@@ -7,7 +9,6 @@ module ActiveRecord
 
       def call(attribute, value)
         return attribute.in([]) if value.empty?
-        return queries_predicates(value) if value.all? { |v| v.is_a?(Hash) }
 
         values = value.map { |x| x.is_a?(Base) ? x.id : x }
         nils, values = values.partition(&:nil?)
@@ -17,7 +18,11 @@ module ActiveRecord
           case values.length
           when 0 then NullPredicate
           when 1 then predicate_builder.build(attribute, values.first)
-          else attribute.in(values)
+          else
+            bind_values = values.map do |v|
+              predicate_builder.build_bind_attribute(attribute.name, v)
+            end
+            attribute.in(bind_values)
           end
 
         unless nils.empty?
@@ -29,8 +34,6 @@ module ActiveRecord
         array_predicates.inject(&:or)
       end
 
-      # TODO Change this to private once we've dropped Ruby 2.2 support.
-      # Workaround for Ruby 2.2 "private attribute?" warning.
       protected
 
         attr_reader :predicate_builder
@@ -40,17 +43,6 @@ module ActiveRecord
             other
           end
         end
-
-      private
-        def queries_predicates(queries)
-          if queries.size > 1
-            queries.map do |query|
-              Arel::Nodes::And.new(predicate_builder.build_from_hash(query))
-            end.inject(&:or)
-          else
-            predicate_builder.build_from_hash(queries.first)
-          end
-        end
     end
   end
 end