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| author | Aaron Patterson <aaron.patterson@gmail.com> | 2011-06-28 11:46:25 -0700 |
|---|---|---|
| committer | Aaron Patterson <aaron.patterson@gmail.com> | 2011-06-28 11:46:25 -0700 |
| commit | a5cb5a5af611481e7a69b160983fcac68f37088c (patch) | |
| tree | f79d9c929d616f0b0d6bd1233cc44bf4c673fc41 /activerecord/lib/active_record | |
| parent | 26caf32949f40993409f71887b2490722749022a (diff) | |
| parent | eb22c51173f3ebe0f5a53f8bc57ebc74e4f0a824 (diff) | |
| download | rails-a5cb5a5af611481e7a69b160983fcac68f37088c.tar.gz rails-a5cb5a5af611481e7a69b160983fcac68f37088c.tar.bz2 rails-a5cb5a5af611481e7a69b160983fcac68f37088c.zip | |
Merge pull request #1860 from dmathieu/comparison
Allow comparison on model objects - Closes #1858
Diffstat (limited to 'activerecord/lib/active_record')
| -rw-r--r-- | activerecord/lib/active_record/base.rb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index ebea4252f9..fd52038647 100644 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -1811,6 +1811,15 @@ MSG @attributes.frozen? end + # Allows sort on objects + def <=>(other_object) + if other_object.is_a?(self.class) + self.to_key <=> other_object.to_key + else + nil + end + end + # Backport dup from 1.9 so that initialize_dup() gets called unless Object.respond_to?(:initialize_dup) def dup # :nodoc: |