#
# Table name: ways
#
-# way_id :bigint(8) default(0), not null, primary key
+# way_id :bigint(8) not null, primary key
# changeset_id :bigint(8) not null
# timestamp :datetime not null
# version :bigint(8) not null, primary key
#
class OldWay < ApplicationRecord
- include ConsistencyValidations
-
self.table_name = "ways"
- self.primary_keys = "way_id", "version"
# NOTE: this needs to be included after the table name changes, or
# the queries generated by Redactable will use the wrong table name.
belongs_to :changeset
belongs_to :redaction, :optional => true
- belongs_to :current_way, :class_name => "Way", :foreign_key => "way_id"
+ belongs_to :current_way, :class_name => "Way", :foreign_key => "way_id", :inverse_of => :old_ways
- has_many :old_nodes, :class_name => "OldWayNode", :foreign_key => [:way_id, :version]
- has_many :old_tags, :class_name => "OldWayTag", :foreign_key => [:way_id, :version]
+ has_many :old_nodes, :class_name => "OldWayNode", :query_constraints => [:way_id, :version], :inverse_of => :old_way
+ has_many :old_tags, :class_name => "OldWayTag", :query_constraints => [:way_id, :version], :inverse_of => :old_way
validates :changeset, :associated => true
validates :timestamp, :presence => true
# check whether this element is the latest version - that is,
# has the same version as its "current" counterpart.
- def is_latest_version?
+ def latest_version?
current_way.version == version
end
end