diff options
Diffstat (limited to 'activerecord/lib/active_record/associations/through_association.rb')
| -rw-r--r-- | activerecord/lib/active_record/associations/through_association.rb | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/associations/through_association.rb b/activerecord/lib/active_record/associations/through_association.rb index f95e5337c2..be890e5767 100644 --- a/activerecord/lib/active_record/associations/through_association.rb +++ b/activerecord/lib/active_record/associations/through_association.rb @@ -37,9 +37,7 @@ module ActiveRecord # situation it is more natural for the user to just create or modify their join records # directly as required. def construct_join_attributes(*records) - if source_reflection.macro != :belongs_to - raise HasManyThroughCantAssociateThroughHasOneOrManyReflection.new(owner, reflection) - end + ensure_mutable join_attributes = { source_reflection.foreign_key => @@ -64,7 +62,7 @@ module ActiveRecord # properly support stale-checking for nested associations. def stale_state if through_reflection.macro == :belongs_to - owner[through_reflection.foreign_key].to_s + owner[through_reflection.foreign_key] && owner[through_reflection.foreign_key].to_s end end @@ -73,6 +71,12 @@ module ActiveRecord !owner[through_reflection.foreign_key].nil? end + def ensure_mutable + if source_reflection.macro != :belongs_to + raise HasManyThroughCantAssociateThroughHasOneOrManyReflection.new(owner, reflection) + end + end + def ensure_not_nested if reflection.nested? raise HasManyThroughNestedAssociationsAreReadonly.new(owner, reflection) |