diff options
| -rw-r--r-- | activerecord/lib/active_record/attribute_methods/primary_key.rb | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/primary_key.rb b/activerecord/lib/active_record/attribute_methods/primary_key.rb index a7785f8786..7c59664703 100644 --- a/activerecord/lib/active_record/attribute_methods/primary_key.rb +++ b/activerecord/lib/active_record/attribute_methods/primary_key.rb @@ -44,7 +44,8 @@ module ActiveRecord end # Defines the primary key field -- can be overridden in subclasses. Overwriting will negate any effect of the - # primary_key_prefix_type setting, though. + # primary_key_prefix_type setting, though. Since primary keys are usually protected from mass assignment, + # remember to let your database generate them or include the key in +attr_accessible+. def primary_key @primary_key = reset_primary_key unless defined? @primary_key @primary_key |