refactoring by adding cast_values method

gemfiles/active_record_70.gemfile

@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 
 gem 'sqlite3',      '~> 1.4.1'
 gem 'zeitwerk'
-gem 'activerecord', '~> 7.0.0'
+gem 'activerecord', '~> 7.0.6'
 gem 'rails_compatibility', '~> 0.0.7'
 
 gem 'carrierwave',  '~> 0.11.0'

lib/pluck_all/models/active_record_extension.rb

@@ -56,19 +56,26 @@ def pluck_all(*column_names, cast_uploader_url: true)
       has_include = RailsCompatibility.has_include?(self, column_names.first)
       return RailsCompatibility.apply_join_dependency(self).pluck_all(*column_names) if has_include
 
-      result = select_all(column_names)
+      columns = arel_columns(column_names)
+      result = select_all(columns)
+      return cast_values(result, cast_uploader_url)
+    end
+
+    private
+
+    # Please refer to the 'cast_values' method in the 'active_record/result.rb' file to see the original implementation of `pluck` method.
+    def cast_values(result, cast_uploader_url)
       attribute_types = RailsCompatibility.attribute_types(klass)
+
       result.map do |attributes| # This map behaves different to array#map
         attributes.each do |key, attribute|
-          attributes[key] = result.send(:column_type, key, attribute_types).deserialize(attribute) # TODO: 現在AS過後的type cast會有一點問題，但似乎原生的pluck也有此問題
+          attributes[key] = result.send(:column_type, key, attribute_types).deserialize(attribute)
         end
         cast_carrier_wave_uploader_url(attributes) if cast_uploader_url
         next attributes
       end
     end
 
-    private
-
     def to_sql_column_name
       proc do |column_name|
         if column_name.is_a?(Arel::Attributes::Attribute)