diff options
Diffstat (limited to 'activerecord/lib/active_record/associations.rb')
| -rwxr-xr-x | activerecord/lib/active_record/associations.rb | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index f494e38e2f..1c20af9adb 100755 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -60,6 +60,12 @@ module ActiveRecord end end + class HasAndBelongsToManyAssociationWithPrimaryKeyError < ActiveRecordError #:nodoc: + def initialize(reflection) + super("Primary key is not allowed in a has_and_belongs_to_many join table (#{reflection.options[:join_table]}).") + end + end + class HasAndBelongsToManyAssociationForeignKeyNeeded < ActiveRecordError #:nodoc: def initialize(reflection) super("Cannot create self referential has_and_belongs_to_many association on '#{reflection.class_name rescue nil}##{reflection.name rescue nil}'. :association_foreign_key cannot be the same as the :foreign_key.") @@ -1652,16 +1658,19 @@ module ActiveRecord def create_has_and_belongs_to_many_reflection(association_id, options, &extension) options.assert_valid_keys(valid_keys_for_has_and_belongs_to_many_association) - options[:extend] = create_extension_modules(association_id, extension, options[:extend]) reflection = create_reflection(:has_and_belongs_to_many, association_id, options, self) - + reflection.options[:join_table] ||= join_table_name(undecorated_table_name(self.to_s), undecorated_table_name(reflection.class_name)) + if reflection.association_foreign_key == reflection.primary_key_name raise HasAndBelongsToManyAssociationForeignKeyNeeded.new(reflection) end - reflection.options[:join_table] ||= join_table_name(undecorated_table_name(self.to_s), undecorated_table_name(reflection.class_name)) + if connection.supports_primary_key? && + (connection.primary_key(reflection.options[:join_table]) rescue false) + raise HasAndBelongsToManyAssociationWithPrimaryKeyError.new(reflection) + end reflection end @@ -1670,15 +1679,6 @@ module ActiveRecord [ associations ].flatten.collect { |association| reflect_on_association(association.to_s.intern) } end - def guard_against_unlimitable_reflections(reflections, options) - if (options[:offset] || options[:limit]) && !using_limitable_reflections?(reflections) - raise( - ConfigurationError, - "You can not use offset and limit together with has_many or has_and_belongs_to_many associations" - ) - end - end - def select_all_rows(options, join_dependency) connection.select_all( construct_finder_sql_with_included_associations(options, join_dependency), |