From 4b7a33e1423c207b25da7e34d8ea45c71ba12298 Mon Sep 17 00:00:00 2001
From: Yves Senn <yves.senn@gmail.com>
Date: Wed, 23 Jan 2013 10:57:05 +0100
Subject: assigning '0.0' to a nullable numeric column does not make it dirty
---
activerecord/lib/active_record/attribute_methods/dirty.rb | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
(limited to 'activerecord/lib')
diff --git a/activerecord/lib/active_record/attribute_methods/dirty.rb b/activerecord/lib/active_record/attribute_methods/dirty.rb
index 616ae1631f..6315dd9549 100644
--- a/activerecord/lib/active_record/attribute_methods/dirty.rb
+++ b/activerecord/lib/active_record/attribute_methods/dirty.rb
@@ -107,7 +107,11 @@ module ActiveRecord
def changes_from_zero_to_string?(old, value)
# For columns with old 0 and value non-empty string
- old == 0 && value.is_a?(String) && value.present? && value != '0'
+ old == 0 && value.is_a?(String) && value.present? && non_zero?(value)
+ end
+
+ def non_zero?(value)
+ value !~ /\A0+(\.0+)?\z/
end
end
end
--
cgit v1.2.3