diff options
Diffstat (limited to 'activerecord/lib/active_record/associations')
16 files changed, 87 insertions, 154 deletions
diff --git a/activerecord/lib/active_record/associations/association.rb b/activerecord/lib/active_record/associations/association.rb index ee62298793..338d5d2afe 100644 --- a/activerecord/lib/active_record/associations/association.rb +++ b/activerecord/lib/active_record/associations/association.rb @@ -84,11 +84,6 @@ module ActiveRecord target_scope.merge(association_scope) end - def scoped - ActiveSupport::Deprecation.warn "#scoped is deprecated. use #scope instead." - scope - end - # The scope for this association. # # Note that the association_scope is merged into the target_scope only when the @@ -122,11 +117,7 @@ module ActiveRecord # Can be overridden (i.e. in ThroughAssociation) to merge in other scopes (i.e. the # through association's scope) def target_scope - all = klass.all - scope = AssociationRelation.new(klass, klass.arel_table, self) - scope.merge! all - scope.default_scoped = all.default_scoped? - scope + AssociationRelation.new(klass, klass.arel_table, self).merge!(klass.all) end # Loads the \target if needed and returns it. diff --git a/activerecord/lib/active_record/associations/builder/association.rb b/activerecord/lib/active_record/associations/builder/association.rb index 3254da4677..bbc1c20f60 100644 --- a/activerecord/lib/active_record/associations/builder/association.rb +++ b/activerecord/lib/active_record/associations/builder/association.rb @@ -104,13 +104,6 @@ module ActiveRecord::Associations::Builder raise ArgumentError, "The :dependent option must be one of #{valid_dependent_options}, but is :#{options[:dependent]}" end - if options[:dependent] == :restrict - ActiveSupport::Deprecation.warn( - "The :restrict option is deprecated. Please use :restrict_with_exception instead, which " \ - "provides the same functionality." - ) - end - n = name model.before_destroy lambda { |o| o.association(n).handle_dependency } end diff --git a/activerecord/lib/active_record/associations/builder/belongs_to.rb b/activerecord/lib/active_record/associations/builder/belongs_to.rb index d4e1a0dda1..81293e464d 100644 --- a/activerecord/lib/active_record/associations/builder/belongs_to.rb +++ b/activerecord/lib/active_record/associations/builder/belongs_to.rb @@ -92,7 +92,7 @@ module ActiveRecord::Associations::Builder end def self.touch_record(o, foreign_key, name, touch) # :nodoc: - old_foreign_id = o.attribute_was(foreign_key) + old_foreign_id = o.changed_attributes[foreign_key] if old_foreign_id klass = o.association(name).klass diff --git a/activerecord/lib/active_record/associations/builder/collection_association.rb b/activerecord/lib/active_record/associations/builder/collection_association.rb index 9c6690b721..5eb11f98c8 100644 --- a/activerecord/lib/active_record/associations/builder/collection_association.rb +++ b/activerecord/lib/active_record/associations/builder/collection_association.rb @@ -8,7 +8,7 @@ module ActiveRecord::Associations::Builder CALLBACKS = [:before_add, :after_add, :before_remove, :after_remove] def valid_options - super + [:table_name, :finder_sql, :counter_sql, :before_add, + super + [:table_name, :before_add, :after_add, :before_remove, :after_remove, :extend] end @@ -20,7 +20,6 @@ module ActiveRecord::Associations::Builder end def build - show_deprecation_warnings wrap_block_extension reflection = super CALLBACKS.each { |callback_name| define_callback(callback_name) } @@ -31,14 +30,6 @@ module ActiveRecord::Associations::Builder true end - def show_deprecation_warnings - [:finder_sql, :counter_sql].each do |name| - if options.include? name - ActiveSupport::Deprecation.warn("The :#{name} association option is deprecated. Please find an alternative (such as using scopes).") - end - end - end - def wrap_block_extension if block_extension @extension_module = mod = Module.new(&block_extension) diff --git a/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb b/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb index bdac02b5bf..64ee24c7c6 100644 --- a/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb +++ b/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb @@ -5,7 +5,7 @@ module ActiveRecord::Associations::Builder end def valid_options - super + [:join_table, :association_foreign_key, :delete_sql, :insert_sql] + super + [:join_table, :association_foreign_key] end def build @@ -14,16 +14,6 @@ module ActiveRecord::Associations::Builder reflection end - def show_deprecation_warnings - super - - [:delete_sql, :insert_sql].each do |name| - if options.include? name - ActiveSupport::Deprecation.warn("The :#{name} association option is deprecated. Please find an alternative (such as using has_many :through).") - end - end - end - def define_destroy_hook name = self.name model.send(:include, Module.new { diff --git a/activerecord/lib/active_record/associations/builder/has_many.rb b/activerecord/lib/active_record/associations/builder/has_many.rb index 0d1bdd21ee..a60cb4769a 100644 --- a/activerecord/lib/active_record/associations/builder/has_many.rb +++ b/activerecord/lib/active_record/associations/builder/has_many.rb @@ -9,7 +9,7 @@ module ActiveRecord::Associations::Builder end def valid_dependent_options - [:destroy, :delete_all, :nullify, :restrict, :restrict_with_error, :restrict_with_exception] + [:destroy, :delete_all, :nullify, :restrict_with_error, :restrict_with_exception] end end end diff --git a/activerecord/lib/active_record/associations/builder/has_one.rb b/activerecord/lib/active_record/associations/builder/has_one.rb index 0da564f402..2406437a07 100644 --- a/activerecord/lib/active_record/associations/builder/has_one.rb +++ b/activerecord/lib/active_record/associations/builder/has_one.rb @@ -19,7 +19,7 @@ module ActiveRecord::Associations::Builder end def valid_dependent_options - [:destroy, :delete, :nullify, :restrict, :restrict_with_error, :restrict_with_exception] + [:destroy, :delete, :nullify, :restrict_with_error, :restrict_with_exception] end end end diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb index 9833822f8f..6ddbd4955d 100644 --- a/activerecord/lib/active_record/associations/collection_association.rb +++ b/activerecord/lib/active_record/associations/collection_association.rb @@ -44,7 +44,7 @@ module ActiveRecord # Implements the ids reader method, e.g. foo.item_ids for Foo.has_many :items def ids_reader - if loaded? || options[:finder_sql] + if loaded? load_target.map do |record| record.send(reflection.association_primary_key) end @@ -79,9 +79,7 @@ module ActiveRecord if block_given? load_target.find(*args) { |*block_args| yield(*block_args) } else - if options[:finder_sql] - find_by_scan(*args) - elsif options[:inverse_of] && loaded? + if options[:inverse_of] && loaded? args = args.flatten raise RecordNotFound, "Couldn't find #{scope.klass.name} without an ID" if args.blank? @@ -153,11 +151,35 @@ module ActiveRecord end end - # Remove all records from this association. + # Removes all records from the association without calling callbacks + # on the associated records. It honors the `:dependent` option. However + # if the `:dependent` value is `:destroy` then in that case the default + # deletion strategy for the association is applied. + # + # You can force a particular deletion strategy by passing a parameter. + # + # Example: + # + # @author.books.delete_all(:nullify) + # @author.books.delete_all(:delete_all) # # See delete for more info. - def delete_all - delete(:all).tap do + def delete_all(dependent = nil) + if dependent.present? && ![:nullify, :delete_all].include?(dependent) + raise ArgumentError, "Valid values are :nullify or :delete_all" + end + + dependent = if dependent.present? + dependent + elsif options[:dependent] == :destroy + # since delete_all should not invoke callbacks so use the default deletion strategy + # for :destroy + reflection.is_a?(ActiveRecord::Reflection::ThroughReflection) ? :delete_all : :nullify + else + options[:dependent] + end + + delete(:all, dependent: dependent).tap do reset loaded! end @@ -173,36 +195,27 @@ module ActiveRecord end end - # Count all records using SQL. If the +:counter_sql+ or +:finder_sql+ option is set for the - # association, it will be used for the query. Otherwise, construct options and pass them with + # Count all records using SQL. Construct options and pass them with # scope to the target class's +count+. def count(column_name = nil, count_options = {}) column_name, count_options = nil, column_name if column_name.is_a?(Hash) - if options[:counter_sql] || options[:finder_sql] - unless count_options.blank? - raise ArgumentError, "If finder_sql/counter_sql is used then options cannot be passed" - end - - reflection.klass.count_by_sql(custom_counter_sql) - else - relation = scope - if association_scope.distinct_value - # This is needed because 'SELECT count(DISTINCT *)..' is not valid SQL. - column_name ||= reflection.klass.primary_key - relation = relation.distinct - end + relation = scope + if association_scope.distinct_value + # This is needed because 'SELECT count(DISTINCT *)..' is not valid SQL. + column_name ||= reflection.klass.primary_key + relation = relation.distinct + end - value = relation.count(column_name) + value = relation.count(column_name) - limit = options[:limit] - offset = options[:offset] + limit = options[:limit] + offset = options[:offset] - if limit || offset - [ [value - offset.to_i, 0].max, limit.to_i ].min - else - value - end + if limit || offset + [ [value - offset.to_i, 0].max, limit.to_i ].min + else + value end end @@ -214,18 +227,10 @@ module ActiveRecord # are actually removed from the database, that depends precisely on # +delete_records+. They are in any case removed from the collection. def delete(*records) - dependent = options[:dependent] + _options = records.extract_options! + dependent = _options[:dependent] || options[:dependent] if records.first == :all - - if dependent && dependent == :destroy - message = 'In Rails 4.1 delete_all on associations would not fire callbacks. ' \ - 'It means if the :dependent option is :destroy then the associated ' \ - 'records would be deleted without loading and invoking callbacks.' - - ActiveRecord::Base.logger ? ActiveRecord::Base.logger.warn(message) : $stderr.puts(message) - end - if loaded? || dependent == :destroy delete_or_destroy(load_target, dependent) else @@ -285,14 +290,14 @@ module ActiveRecord # Returns true if the collection is empty. # - # If the collection has been loaded or the <tt>:counter_sql</tt> option - # is provided, it is equivalent to <tt>collection.size.zero?</tt>. If the + # If the collection has been loaded + # it is equivalent to <tt>collection.size.zero?</tt>. If the # collection has not been loaded, it is equivalent to # <tt>collection.exists?</tt>. If the collection has not already been # loaded and you are going to fetch the records anyway it is better to # check <tt>collection.length.zero?</tt>. def empty? - if loaded? || options[:counter_sql] + if loaded? size.zero? else @target.blank? && !scope.exists? @@ -345,7 +350,6 @@ module ActiveRecord if record.new_record? include_in_memory?(record) else - load_target if options[:finder_sql] loaded? ? target.include?(record) : scope.exists?(record) end else @@ -390,31 +394,8 @@ module ActiveRecord private - def custom_counter_sql - if options[:counter_sql] - interpolate(options[:counter_sql]) - else - # replace the SELECT clause with COUNT(SELECTS), preserving any hints within /* ... */ - interpolate(options[:finder_sql]).sub(/SELECT\b(\/\*.*?\*\/ )?(.*)\bFROM\b/im) do - count_with = $2.to_s - count_with = '*' if count_with.blank? || count_with =~ /,/ || count_with =~ /\.\*/ - "SELECT #{$1}COUNT(#{count_with}) FROM" - end - end - end - - def custom_finder_sql - interpolate(options[:finder_sql]) - end - def find_target - records = - if options[:finder_sql] - reflection.klass.find_by_sql(custom_finder_sql) - else - scope.to_a - end - + records = scope.to_a records.each { |record| set_inverse_instance(record) } records end @@ -553,7 +534,6 @@ module ActiveRecord # Otherwise, go to the database only if none of the following are true: # * target already loaded # * owner is new record - # * custom :finder_sql exists # * target contains new or changed record(s) # * the first arg is an integer (which indicates the number of records to be returned) def fetch_first_or_last_using_find?(args) @@ -562,7 +542,6 @@ module ActiveRecord else !(loaded? || owner.new_record? || - options[:finder_sql] || target.any? { |record| record.new_record? || record.changed? } || args.first.kind_of?(Integer)) end @@ -579,7 +558,7 @@ module ActiveRecord end end - # If using a custom finder_sql or if the :inverse_of option has been + # If the :inverse_of option has been # specified, then #find scans the entire collection. def find_by_scan(*args) expects_array = args.first.kind_of?(Array) diff --git a/activerecord/lib/active_record/associations/collection_proxy.rb b/activerecord/lib/active_record/associations/collection_proxy.rb index 7cdb5ba5b3..6dc2da56d1 100644 --- a/activerecord/lib/active_record/associations/collection_proxy.rb +++ b/activerecord/lib/active_record/associations/collection_proxy.rb @@ -33,7 +33,6 @@ module ActiveRecord def initialize(klass, association) #:nodoc: @association = association super klass, klass.arel_table - self.default_scoped = true merge! association.scope(nullify: false) end @@ -418,8 +417,8 @@ module ActiveRecord # # Pet.find(1, 2, 3) # # => ActiveRecord::RecordNotFound - def delete_all - @association.delete_all + def delete_all(dependent = nil) + @association.delete_all(dependent) end # Deletes the records of the collection directly from the database @@ -727,7 +726,7 @@ module ActiveRecord end # Returns +true+ if the collection is empty. If the collection has been - # loaded or the <tt>:counter_sql</tt> option is provided, it is equivalent + # loaded it is equivalent # to <tt>collection.size.zero?</tt>. If the collection has not been loaded, # it is equivalent to <tt>collection.exists?</tt>. If the collection has # not already been loaded and you are going to fetch the records anyway it diff --git a/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb b/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb index bb3e3db379..b2e6c708bf 100644 --- a/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb +++ b/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb @@ -18,16 +18,12 @@ module ActiveRecord end end - if options[:insert_sql] - owner.connection.insert(interpolate(options[:insert_sql], record)) - else - stmt = join_table.compile_insert( - join_table[reflection.foreign_key] => owner.id, - join_table[reflection.association_foreign_key] => record.id - ) + stmt = join_table.compile_insert( + join_table[reflection.foreign_key] => owner.id, + join_table[reflection.association_foreign_key] => record.id + ) - owner.class.connection.insert stmt - end + owner.class.connection.insert stmt record end @@ -39,22 +35,17 @@ module ActiveRecord end def delete_records(records, method) - if sql = options[:delete_sql] - records = load_target if records == :all - records.each { |record| owner.class.connection.delete(interpolate(sql, record)) } - else - relation = join_table - condition = relation[reflection.foreign_key].eq(owner.id) - - unless records == :all - condition = condition.and( - relation[reflection.association_foreign_key] - .in(records.map { |x| x.id }.compact) - ) - end - - owner.class.connection.delete(relation.where(condition).compile_delete) + relation = join_table + condition = relation[reflection.foreign_key].eq(owner.id) + + unless records == :all + condition = condition.and( + relation[reflection.association_foreign_key] + .in(records.map { |x| x.id }.compact) + ) end + + owner.class.connection.delete(relation.where(condition).compile_delete) end def invertible_for?(record) diff --git a/activerecord/lib/active_record/associations/has_many_association.rb b/activerecord/lib/active_record/associations/has_many_association.rb index cf8a589496..607ed0da46 100644 --- a/activerecord/lib/active_record/associations/has_many_association.rb +++ b/activerecord/lib/active_record/associations/has_many_association.rb @@ -9,7 +9,7 @@ module ActiveRecord def handle_dependency case options[:dependent] - when :restrict, :restrict_with_exception + when :restrict_with_exception raise ActiveRecord::DeleteRestrictionError.new(reflection.name) unless empty? when :restrict_with_error @@ -58,8 +58,6 @@ module ActiveRecord def count_records count = if has_cached_counter? owner.send(:read_attribute, cached_counter_attribute_name) - elsif options[:counter_sql] || options[:finder_sql] - reflection.klass.count_by_sql(custom_counter_sql) else scope.count end diff --git a/activerecord/lib/active_record/associations/has_one_association.rb b/activerecord/lib/active_record/associations/has_one_association.rb index 920038a543..3ab1ea1ff4 100644 --- a/activerecord/lib/active_record/associations/has_one_association.rb +++ b/activerecord/lib/active_record/associations/has_one_association.rb @@ -6,7 +6,7 @@ module ActiveRecord def handle_dependency case options[:dependent] - when :restrict, :restrict_with_exception + when :restrict_with_exception raise ActiveRecord::DeleteRestrictionError.new(reflection.name) if load_target when :restrict_with_error diff --git a/activerecord/lib/active_record/associations/join_dependency/join_association.rb b/activerecord/lib/active_record/associations/join_dependency/join_association.rb index b81aecb4e5..e0715d9dd1 100644 --- a/activerecord/lib/active_record/associations/join_dependency/join_association.rb +++ b/activerecord/lib/active_record/associations/join_dependency/join_association.rb @@ -106,6 +106,8 @@ module ActiveRecord ] end + scope_chain_items += [reflection.klass.send(:build_default_scope)].compact + constraint = scope_chain_items.inject(constraint) do |chain, item| unless item.is_a?(Relation) item = ActiveRecord::Relation.new(reflection.klass, table).instance_exec(self, &item) diff --git a/activerecord/lib/active_record/associations/preloader/association.rb b/activerecord/lib/active_record/associations/preloader/association.rb index 82588905c6..d31f7432cd 100644 --- a/activerecord/lib/active_record/associations/preloader/association.rb +++ b/activerecord/lib/active_record/associations/preloader/association.rb @@ -98,7 +98,6 @@ module ActiveRecord def build_scope scope = klass.unscoped - scope.default_scoped = true values = reflection_scope.values preload_values = preload_scope.values @@ -113,7 +112,7 @@ module ActiveRecord scope.where!(klass.table_name => { reflection.type => model.base_class.sti_name }) end - scope + klass.default_scoped.merge(scope) end end end diff --git a/activerecord/lib/active_record/associations/preloader/through_association.rb b/activerecord/lib/active_record/associations/preloader/through_association.rb index c4b50ab306..de06931845 100644 --- a/activerecord/lib/active_record/associations/preloader/through_association.rb +++ b/activerecord/lib/active_record/associations/preloader/through_association.rb @@ -41,21 +41,21 @@ module ActiveRecord end def through_scope - through_scope = through_reflection.klass.unscoped + scope = through_reflection.klass.unscoped if options[:source_type] - through_scope.where! reflection.foreign_type => options[:source_type] + scope.where! reflection.foreign_type => options[:source_type] else unless reflection_scope.where_values.empty? - through_scope.includes_values = Array(reflection_scope.values[:includes] || options[:source]) - through_scope.where_values = reflection_scope.values[:where] + scope.includes_values = Array(reflection_scope.values[:includes] || options[:source]) + scope.where_values = reflection_scope.values[:where] end - through_scope.references! reflection_scope.values[:references] - through_scope.order! reflection_scope.values[:order] if through_scope.eager_loading? + scope.references! reflection_scope.values[:references] + scope.order! reflection_scope.values[:order] if scope.eager_loading? end - through_scope + scope end end end diff --git a/activerecord/lib/active_record/associations/through_association.rb b/activerecord/lib/active_record/associations/through_association.rb index 35f29b37a2..bd99997e7f 100644 --- a/activerecord/lib/active_record/associations/through_association.rb +++ b/activerecord/lib/active_record/associations/through_association.rb @@ -15,7 +15,7 @@ module ActiveRecord scope = super chain[1..-1].each do |reflection| scope.merge!( - reflection.klass.all.with_default_scope. + reflection.klass.all. except(:select, :create_with, :includes, :preload, :joins, :eager_load) ) end |