1 files changed, 30 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/types/number.rb b/activerecord/lib/active_record/types/number.rb
new file mode 100644
index 0000000000..cfbe877575
--- /dev/null
+++ b/activerecord/lib/active_record/types/number.rb
@@ -0,0 +1,30 @@
+module ActiveRecord
+  module Type
+    class Number < Object
+
+      def boolean(value)
+        value = cast(value)
+        !(value.nil? || value.zero?)
+      end
+
+      def precast(value)
+        convert_number_column_value(value)
+      end
+
+      private
+
+      def convert_number_column_value(value)
+        if value == false
+          0
+        elsif value == true
+          1
+        elsif value.is_a?(String) && value.blank?
+          nil
+        else
+          value
+        end
+      end
+
+    end
+  end
+end
+\ No newline at end of file