diff options
Diffstat (limited to 'activerecord/lib/active_record/associations')
9 files changed, 57 insertions, 54 deletions
diff --git a/activerecord/lib/active_record/associations/alias_tracker.rb b/activerecord/lib/active_record/associations/alias_tracker.rb index bd98cf2f46..92ed844a2e 100644 --- a/activerecord/lib/active_record/associations/alias_tracker.rb +++ b/activerecord/lib/active_record/associations/alias_tracker.rb @@ -9,7 +9,7 @@ module ActiveRecord # table_joins is an array of arel joins which might conflict with the aliases we assign here def initialize(table_joins = []) - @aliases = Hash.new + @aliases = Hash.new { |h,k| h[k] = initial_count_for(k) } @table_joins = table_joins end @@ -26,8 +26,6 @@ module ActiveRecord def aliased_name_for(table_name, aliased_name = nil) aliased_name ||= table_name - initialize_count_for(table_name) if aliases[table_name].nil? - if aliases[table_name].zero? # If it's zero, we can have our table_name aliases[table_name] = 1 @@ -36,8 +34,6 @@ module ActiveRecord # Otherwise, we need to use an alias aliased_name = connection.table_alias_for(aliased_name) - initialize_count_for(aliased_name) if aliases[aliased_name].nil? - # Update the count aliases[aliased_name] += 1 @@ -49,32 +45,24 @@ module ActiveRecord end end - def pluralize(table_name, base) - base.pluralize_table_names ? table_name.to_s.pluralize : table_name.to_s - end - private - def initialize_count_for(name) - aliases[name] = 0 - - unless Arel::Table === table_joins - # quoted_name should be downcased as some database adapters (Oracle) return quoted name in uppercase - quoted_name = connection.quote_table_name(name).downcase + def initial_count_for(name) + return 0 if Arel::Table === table_joins - aliases[name] += table_joins.map { |join| - # Table names + table aliases - join.left.downcase.scan( - /join(?:\s+\w+)?\s+(\S+\s+)?#{quoted_name}\son/ - ).size - }.sum - end + # quoted_name should be downcased as some database adapters (Oracle) return quoted name in uppercase + quoted_name = connection.quote_table_name(name).downcase - aliases[name] + table_joins.map { |join| + # Table names + table aliases + join.left.downcase.scan( + /join(?:\s+\w+)?\s+(\S+\s+)?#{quoted_name}\son/ + ).size + }.sum end def truncate(name) - name[0..connection.table_alias_length-3] + name.slice(0, connection.table_alias_length - 2) end def connection diff --git a/activerecord/lib/active_record/associations/association.rb b/activerecord/lib/active_record/associations/association.rb index daadc8aa81..bb519c5703 100644 --- a/activerecord/lib/active_record/associations/association.rb +++ b/activerecord/lib/active_record/associations/association.rb @@ -30,7 +30,7 @@ module ActiveRecord @updated = false reset - construct_scope + reset_scope end # Returns the name of the table of the related class: @@ -51,7 +51,7 @@ module ActiveRecord # Reloads the \target and returns +self+ on success. def reload reset - construct_scope + reset_scope load_target self unless target.nil? end @@ -84,21 +84,25 @@ module ActiveRecord end def scoped - target_scope.merge(@association_scope) + target_scope.merge(association_scope) end - # Construct the scope for this association. + # The scope for this association. # # Note that the association_scope is merged into the target_scope only when the # scoped method is called. This is because at that point the call may be surrounded # by scope.scoping { ... } or with_scope { ... } etc, which affects the scope which # actually gets built. - def construct_scope + def association_scope if klass - @association_scope = AssociationScope.new(self).scope + @association_scope ||= AssociationScope.new(self).scope end end + def reset_scope + @association_scope = nil + end + # Set the inverse association, if possible def set_inverse_instance(record) if record && invertible_for?(record) 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 d7632b2ea9..30fc44b4c2 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 @@ -7,24 +7,22 @@ module ActiveRecord::Associations::Builder def build reflection = super check_validity(reflection) - define_after_destroy_method + define_destroy_hook reflection end private - def define_after_destroy_method + def define_destroy_hook name = self.name - model.send(:class_eval, <<-eoruby, __FILE__, __LINE__ + 1) - def #{after_destroy_method_name} - association(#{name.to_sym.inspect}).delete_all - end - eoruby - model.after_destroy after_destroy_method_name - end - - def after_destroy_method_name - "has_and_belongs_to_many_after_destroy_for_#{name}" + model.send(:include, Module.new { + class_eval <<-RUBY, __FILE__, __LINE__ + 1 + def destroy_associations + association(#{name.to_sym.inspect}).delete_all + super + end + RUBY + }) end # TODO: These checks should probably be moved into the Reflection, and we should not be diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb index 224e0095d9..3e68f973e7 100644 --- a/activerecord/lib/active_record/associations/collection_association.rb +++ b/activerecord/lib/active_record/associations/collection_association.rb @@ -50,7 +50,7 @@ module ActiveRecord else column = "#{reflection.quoted_table_name}.#{reflection.association_primary_key}" - scoped.select(column).except(:includes).map! do |record| + scoped.select(column).map! do |record| record.send(reflection.association_primary_key) end end @@ -78,10 +78,14 @@ module ActiveRecord end def find(*args) - if options[:finder_sql] - find_by_scan(*args) + if block_given? + load_target.find(*args) { |*block_args| yield(*block_args) } else - scoped.find(*args) + if options[:finder_sql] + find_by_scan(*args) + else + scoped.find(*args) + end end end diff --git a/activerecord/lib/active_record/associations/collection_proxy.rb b/activerecord/lib/active_record/associations/collection_proxy.rb index 7f7dec467a..827dfb7ccb 100644 --- a/activerecord/lib/active_record/associations/collection_proxy.rb +++ b/activerecord/lib/active_record/associations/collection_proxy.rb @@ -12,7 +12,7 @@ module ActiveRecord # has_many :posts # end # - # blog = Blog.find(:first) + # blog = Blog.first # # the association proxy in <tt>blog.posts</tt> has the object in +blog+ as # <tt>@owner</tt>, the collection of its posts as <tt>@target</tt>, and diff --git a/activerecord/lib/active_record/associations/has_one_association.rb b/activerecord/lib/active_record/associations/has_one_association.rb index 6b8201973a..2131edbc20 100644 --- a/activerecord/lib/active_record/associations/has_one_association.rb +++ b/activerecord/lib/active_record/associations/has_one_association.rb @@ -19,7 +19,7 @@ module ActiveRecord if owner.persisted? && save && !record.save nullify_owner_attributes(record) - set_owner_attributes(target) + set_owner_attributes(target) if target raise RecordNotSaved, "Failed to save the new associated #{reflection.name}." end end diff --git a/activerecord/lib/active_record/associations/join_helper.rb b/activerecord/lib/active_record/associations/join_helper.rb index d094a8def3..f83138195c 100644 --- a/activerecord/lib/active_record/associations/join_helper.rb +++ b/activerecord/lib/active_record/associations/join_helper.rb @@ -32,8 +32,7 @@ module ActiveRecord end def table_alias_for(reflection, join = false) - name = reflection.plural_name.dup - name << "_#{alias_suffix}" + name = "#{reflection.plural_name}_#{alias_suffix}" name << "_join" if join name end diff --git a/activerecord/lib/active_record/associations/preloader/association.rb b/activerecord/lib/active_record/associations/preloader/association.rb index 7256dd5288..779f8164cc 100644 --- a/activerecord/lib/active_record/associations/preloader/association.rb +++ b/activerecord/lib/active_record/associations/preloader/association.rb @@ -68,7 +68,8 @@ module ActiveRecord private def associated_records_by_owner - owner_keys = owners.map { |owner| owner[owner_key_name] }.compact.uniq + owners_map = owners_by_key + owner_keys = owners_map.keys.compact if klass.nil? || owner_keys.empty? records = [] @@ -84,7 +85,7 @@ module ActiveRecord records.each do |record| owner_key = record[association_key_name].to_s - owners_by_key[owner_key].each do |owner| + owners_map[owner_key].each do |owner| records_by_owner[owner] << record end end diff --git a/activerecord/lib/active_record/associations/singular_association.rb b/activerecord/lib/active_record/associations/singular_association.rb index 6b010064d5..a1a921bcb4 100644 --- a/activerecord/lib/active_record/associations/singular_association.rb +++ b/activerecord/lib/active_record/associations/singular_association.rb @@ -18,11 +18,11 @@ module ActiveRecord end def create(attributes = {}, options = {}, &block) - build(attributes, options, &block).tap { |record| record.save } + create_record(attributes, options, &block) end def create!(attributes = {}, options = {}, &block) - build(attributes, options, &block).tap { |record| record.save! } + create_record(attributes, options, true, &block) end def build(attributes = {}, options = {}) @@ -50,6 +50,15 @@ module ActiveRecord def set_new_record(record) replace(record) end + + def create_record(attributes, options, raise_error = false) + record = build_record(attributes, options) + yield(record) if block_given? + saved = record.save + set_new_record(record) + raise RecordInvalid.new(record) if !saved && raise_error + record + end end end end |