Perform casting of single values within the predicate builder

As part of the larger refactoring to remove type casting from Arel, we
need to do the casting of values eagerly. The predicate builder is the
closest place that knows about the Active Record class, and can
therefore have the type information.

/cc @mrgilman

[Sean Griffin & Melanie Gilman]

1 files changed, 4 insertions, 4 deletions

diff --git a/activerecord/lib/active_record/relation/predicate_builder.rb b/activerecord/lib/active_record/relation/predicate_builder.rb
index 65c4c11e64..fc2cc11c08 100644
--- a/activerecord/lib/active_record/relation/predicate_builder.rb
+++ b/activerecord/lib/active_record/relation/predicate_builder.rb
@@ -8,15 +8,15 @@ module ActiveRecord
     require 'active_record/relation/predicate_builder/range_handler'
     require 'active_record/relation/predicate_builder/relation_handler'
 
-    delegate :resolve_column_aliases, to: :table
+    delegate :resolve_column_aliases, :type_cast_for_database, to: :table
 
     def initialize(table)
       @table = table
       @handlers = []
 
-      register_handler(BasicObject, BasicObjectHandler.new)
-      register_handler(Class, ClassHandler.new)
-      register_handler(Base, BaseHandler.new)
+      register_handler(BasicObject, BasicObjectHandler.new(self))
+      register_handler(Class, ClassHandler.new(self))
+      register_handler(Base, BaseHandler.new(self))
       register_handler(Range, RangeHandler.new)
       register_handler(Relation, RelationHandler.new)
       register_handler(Array, ArrayHandler.new(self))