diff options
Diffstat (limited to 'activerecord/lib/active_record/errors.rb')
| -rw-r--r-- | activerecord/lib/active_record/errors.rb | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/errors.rb b/activerecord/lib/active_record/errors.rb index 0637dd58b6..04c0fbfe70 100644 --- a/activerecord/lib/active_record/errors.rb +++ b/activerecord/lib/active_record/errors.rb @@ -193,6 +193,17 @@ module ActiveRecord end + # Raised when a relation cannot be mutated because it's already loaded. + # + # class Task < ActiveRecord::Base + # end + # + # relation = Task.all + # relation.loaded? # => true + # + # # Methods which try to mutate a loaded relation fail. + # relation.where!(title: 'TODO') # => ActiveRecord::ImmutableRelation + # relation.limit!(5) # => ActiveRecord::ImmutableRelation class ImmutableRelation < ActiveRecordError end |