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-rw-r--r--activerecord/lib/active_record/associations.rb15
1 files changed, 14 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index d2bcdc55bf..14af55f327 100644
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -57,7 +57,7 @@ module ActiveRecord
through_reflection = reflection.through_reflection
source_reflection_names = reflection.source_reflection_names
source_associations = reflection.through_reflection.klass._reflections.keys
- super("Could not find the source association(s) #{source_reflection_names.collect{ |a| a.inspect }.to_sentence(:two_words_connector => ' or ', :last_word_connector => ', or ', :locale => :en)} in model #{through_reflection.klass}. Try 'has_many #{reflection.name.inspect}, :through => #{through_reflection.name.inspect}, :source => <name>'. Is it one of #{source_associations.to_sentence(:two_words_connector => ' or ', :last_word_connector => ', or ', :locale => :en)}?")
+ super("Could not find the source association(s) #{source_reflection_names.collect(&:inspect).to_sentence(:two_words_connector => ' or ', :last_word_connector => ', or ', :locale => :en)} in model #{through_reflection.klass}. Try 'has_many #{reflection.name.inspect}, :through => #{through_reflection.name.inspect}, :source => <name>'. Is it one of #{source_associations.to_sentence(:two_words_connector => ' or ', :last_word_connector => ', or ', :locale => :en)}?")
end
end
@@ -116,6 +116,7 @@ module ActiveRecord
autoload :Association, 'active_record/associations/association'
autoload :SingularAssociation, 'active_record/associations/singular_association'
autoload :CollectionAssociation, 'active_record/associations/collection_association'
+ autoload :ForeignAssociation, 'active_record/associations/foreign_association'
autoload :CollectionProxy, 'active_record/associations/collection_proxy'
autoload :BelongsToAssociation, 'active_record/associations/belongs_to_association'
@@ -1176,6 +1177,12 @@ module ActiveRecord
# Specify the foreign key used for the association. By default this is guessed to be the name
# of this class in lower-case and "_id" suffixed. So a Person class that makes a +has_many+
# association will use "person_id" as the default <tt>:foreign_key</tt>.
+ # [:foreign_type]
+ # Specify the column used to store the associated object's type, if this is a polymorphic
+ # association. By default this is guessed to be the name of the polymorphic association
+ # specified on "as" option with a "_type" suffix. So a class that defines a
+ # <tt>has_many :tags, as: :taggable</tt> association will use "taggable_type" as the
+ # default <tt>:foreign_type</tt>.
# [:primary_key]
# Specify the name of the column to use as the primary key for the association. By default this is +id+.
# [:dependent]
@@ -1323,6 +1330,12 @@ module ActiveRecord
# Specify the foreign key used for the association. By default this is guessed to be the name
# of this class in lower-case and "_id" suffixed. So a Person class that makes a +has_one+ association
# will use "person_id" as the default <tt>:foreign_key</tt>.
+ # [:foreign_type]
+ # Specify the column used to store the associated object's type, if this is a polymorphic
+ # association. By default this is guessed to be the name of the polymorphic association
+ # specified on "as" option with a "_type" suffix. So a class that defines a
+ # <tt>has_one :tag, as: :taggable</tt> association will use "taggable_type" as the
+ # default <tt>:foreign_type</tt>.
# [:primary_key]
# Specify the method that returns the primary key used for the association. By default this is +id+.
# [:as]