diff options
Diffstat (limited to 'activerecord/lib/active_record')
| -rw-r--r-- | activerecord/lib/active_record/validations/uniqueness.rb | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/validations/uniqueness.rb b/activerecord/lib/active_record/validations/uniqueness.rb index 77ddd72e59..3a741ba600 100644 --- a/activerecord/lib/active_record/validations/uniqueness.rb +++ b/activerecord/lib/active_record/validations/uniqueness.rb @@ -56,7 +56,15 @@ module ActiveRecord end def build_relation(klass, table, attribute, value) #:nodoc: - column = klass.columns_hash[attribute.to_s] + reflection = klass.reflect_on_association(attribute) + column = nil + if(reflection) + column = klass.columns_hash[reflection.foreign_key] + attribute = reflection.foreign_key + value = value.attributes[reflection.primary_key_column.name] + else + column = klass.columns_hash[attribute.to_s] + end value = column.limit ? value.to_s[0, column.limit] : value.to_s if !value.nil? && column.text? if !options[:case_sensitive] && value && column.text? |