Bring type casting behavior of hstore/json in line with serialized

`@raw_attributes` should not contain the type-cast, mutable version of
the value.

4 files changed, 7 insertions, 16 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/hstore.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/hstore.rb
index bf680b6624..a65ca83f77 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/hstore.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/hstore.rb
@@ -8,12 +8,6 @@ module ActiveRecord
           end
 
           def type_cast_for_write(value)
-            # roundtrip to ensure uniform uniform types
-            # TODO: This is not an efficient solution.
-            cast_value(type_cast_for_database(value))
-          end
-
-          def type_cast_for_database(value)
             ConnectionAdapters::PostgreSQLColumn.hstore_to_string(value)
           end
 
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/json.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/json.rb
index 42a5110ffd..c87422fe32 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/json.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/json.rb
@@ -8,12 +8,6 @@ module ActiveRecord
           end
 
           def type_cast_for_write(value)
-            # roundtrip to ensure uniform uniform types
-            # TODO: This is not an efficient solution.
-            cast_value(type_cast_for_database(value))
-          end
-
-          def type_cast_for_database(value)
             ConnectionAdapters::PostgreSQLColumn.json_to_string(value)
           end
 
diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb
index d6849fef2e..c996e93076 100644
--- a/activerecord/lib/active_record/core.rb
+++ b/activerecord/lib/active_record/core.rb
@@ -278,12 +278,13 @@ module ActiveRecord
     #   post.init_with('attributes' => { 'title' => 'hello world' })
     #   post.title # => 'hello world'
     def init_with(coder)
-      @raw_attributes = coder['attributes']
+      @raw_attributes = coder['raw_attributes']
       @column_types_override = coder['column_types']
       @column_types = self.class.column_types
 
       init_internals
 
+      @attributes = coder['attributes'] if coder['attributes']
       @new_record = coder['new_record']
 
       self.class.define_attribute_methods
@@ -326,12 +327,13 @@ module ActiveRecord
 
       @raw_attributes = cloned_attributes
       @raw_attributes[self.class.primary_key] = nil
+      @attributes = other.clone_attributes(:read_attribute)
+      @attributes[self.class.primary_key] = nil
 
       run_callbacks(:initialize) unless _initialize_callbacks.empty?
 
       @aggregation_cache = {}
       @association_cache = {}
-      @attributes        = {}
 
       @new_record  = true
       @destroyed   = false
@@ -352,7 +354,8 @@ module ActiveRecord
     #   Post.new.encode_with(coder)
     #   coder # => {"attributes" => {"id" => nil, ... }}
     def encode_with(coder)
-      coder['attributes'] = @raw_attributes
+      coder['raw_attributes'] = @raw_attributes
+      coder['attributes'] = @attributes
       coder['new_record'] = new_record?
     end
 
diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb
index 2e3bcc0956..f1f0d3e57f 100644
--- a/activerecord/lib/active_record/persistence.rb
+++ b/activerecord/lib/active_record/persistence.rb
@@ -50,7 +50,7 @@ module ActiveRecord
         klass = discriminate_class_for_record(attributes)
         column_types = klass.decorate_columns(column_types.dup)
         klass.allocate.init_with(
-          'attributes' => attributes,
+          'raw_attributes' => attributes,
           'column_types' => column_types,
           'new_record' => false,
         )