diff options
Diffstat (limited to 'activerecord/lib')
24 files changed, 188 insertions, 57 deletions
diff --git a/activerecord/lib/active_record/aggregations.rb b/activerecord/lib/active_record/aggregations.rb index d075edc159..0d5313956b 100644 --- a/activerecord/lib/active_record/aggregations.rb +++ b/activerecord/lib/active_record/aggregations.rb @@ -224,7 +224,7 @@ module ActiveRecord writer_method(name, class_name, mapping, allow_nil, converter) reflection = ActiveRecord::Reflection.create(:composed_of, part_id, nil, options, self) - Reflection.add_reflection self, part_id, reflection + Reflection.add_aggregate_reflection self, part_id, reflection end private diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb index 0c326ed747..e32c0b0377 100644 --- a/activerecord/lib/active_record/associations/collection_association.rb +++ b/activerecord/lib/active_record/associations/collection_association.rb @@ -540,7 +540,8 @@ module ActiveRecord def include_in_memory?(record) if reflection.is_a?(ActiveRecord::Reflection::ThroughReflection) - owner.send(reflection.through_reflection.name).any? { |source| + assoc = owner.association(reflection.through_reflection.name) + assoc.reader.any? { |source| target = source.send(reflection.source_reflection.name) target.respond_to?(:include?) ? target.include?(record) : target == record } || target.include?(record) diff --git a/activerecord/lib/active_record/associations/has_many_association.rb b/activerecord/lib/active_record/associations/has_many_association.rb index 607ed0da46..a3fcca8a27 100644 --- a/activerecord/lib/active_record/associations/has_many_association.rb +++ b/activerecord/lib/active_record/associations/has_many_association.rb @@ -125,7 +125,11 @@ module ActiveRecord end def foreign_key_present? - owner.attribute_present?(reflection.association_primary_key) + if reflection.klass.primary_key + owner.attribute_present?(reflection.association_primary_key) + else + false + end end end end diff --git a/activerecord/lib/active_record/associations/has_many_through_association.rb b/activerecord/lib/active_record/associations/has_many_through_association.rb index a74dd1cdab..56331bbb0b 100644 --- a/activerecord/lib/active_record/associations/has_many_through_association.rb +++ b/activerecord/lib/active_record/associations/has_many_through_association.rb @@ -140,7 +140,21 @@ module ActiveRecord case method when :destroy - count = scope.destroy_all.length + if scope.klass.primary_key + count = scope.destroy_all.length + else + scope.to_a.each do |record| + record.run_callbacks :destroy + end + + arel = scope.arel + + stmt = Arel::DeleteManager.new arel.engine + stmt.from scope.klass.arel_table + stmt.wheres = arel.constraints + + count = scope.klass.connection.delete(stmt, 'SQL', scope.bind_values) + end when :nullify count = scope.update_all(source_reflection.foreign_key => nil) else diff --git a/activerecord/lib/active_record/associations/has_one_association.rb b/activerecord/lib/active_record/associations/has_one_association.rb index 3ab1ea1ff4..0008600418 100644 --- a/activerecord/lib/active_record/associations/has_one_association.rb +++ b/activerecord/lib/active_record/associations/has_one_association.rb @@ -27,6 +27,8 @@ module ActiveRecord return self.target if !(target || record) if (target != record) || record.changed? + save &&= owner.persisted? + transaction_if(save) do remove_target!(options[:dependent]) if target && !target.destroyed? @@ -34,7 +36,7 @@ module ActiveRecord set_owner_attributes(record) set_inverse_instance(record) - if owner.persisted? && save && !record.save + if save && !record.save nullify_owner_attributes(record) set_owner_attributes(target) if target raise RecordNotSaved, "Failed to save the new associated #{reflection.name}." diff --git a/activerecord/lib/active_record/associations/join_dependency/join_part.rb b/activerecord/lib/active_record/associations/join_dependency/join_part.rb index b534569063..8024105472 100644 --- a/activerecord/lib/active_record/associations/join_dependency/join_part.rb +++ b/activerecord/lib/active_record/associations/join_dependency/join_part.rb @@ -62,7 +62,20 @@ module ActiveRecord end def extract_record(row) - Hash[column_names_with_alias.map{|cn, an| [cn, row[an]]}] + # This code is performance critical as it is called per row. + # see: https://github.com/rails/rails/pull/12185 + hash = {} + + index = 0 + length = column_names_with_alias.length + + while index < length + column_name, alias_name = column_names_with_alias[index] + hash[column_name] = row[alias_name] + index += 1 + end + + hash end def record_id(row) diff --git a/activerecord/lib/active_record/attribute_methods/read.rb b/activerecord/lib/active_record/attribute_methods/read.rb index 1cf3aba41c..c152a246b5 100644 --- a/activerecord/lib/active_record/attribute_methods/read.rb +++ b/activerecord/lib/active_record/attribute_methods/read.rb @@ -109,13 +109,14 @@ module ActiveRecord # We use #[] first as a perf optimization for non-nil values. See https://gist.github.com/jonleighton/3552829. name = attr_name.to_s @attributes_cache[name] || @attributes_cache.fetch(name) { - column = @columns_hash.fetch(name) { - return @attributes.fetch(name) { - if name == 'id' && self.class.primary_key != name - read_attribute(self.class.primary_key) - end - } - } + column = @column_types_override[name] if @column_types_override + column ||= @column_types[name] + + return @attributes.fetch(name) { + if name == 'id' && self.class.primary_key != name + read_attribute(self.class.primary_key) + end + } unless column value = @attributes.fetch(name) { return block_given? ? yield(name) : nil diff --git a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb index 32244b1755..e1f29ea03a 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb @@ -377,7 +377,7 @@ module ActiveRecord def sql_for_insert(sql, pk, id_value, sequence_name, binds) [sql, binds] end - + def last_inserted_id(result) row = result.rows.first row && row.first diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb index ba1cb05d2c..dde45b0ef3 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb @@ -97,6 +97,7 @@ module ActiveRecord @pool = pool @schema_cache = SchemaCache.new self @visitor = nil + @prepared_statements = false end def valid_type?(type) @@ -208,10 +209,11 @@ module ActiveRecord end def unprepared_statement - old, @visitor = @visitor, unprepared_visitor + old_prepared_statements, @prepared_statements = @prepared_statements, false + old_visitor, @visitor = @visitor, unprepared_visitor yield ensure - @visitor = old + @visitor, @prepared_statements = old_visitor, old_prepared_statements end # Returns the human-readable name of the adapter. Use mixed case - one @@ -440,6 +442,10 @@ module ActiveRecord # override in derived class ActiveRecord::StatementInvalid.new(message, exception) end + + def without_prepared_statement?(binds) + !@prepared_statements || binds.empty? + end end end end diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb index 4b11ea795c..d502daf230 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -174,6 +174,7 @@ module ActiveRecord @quoted_column_names, @quoted_table_names = {}, {} if self.class.type_cast_config_to_boolean(config.fetch(:prepared_statements) { true }) + @prepared_statements = true @visitor = Arel::Visitors::MySQL.new self else @visitor = unprepared_visitor diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb index 92796c996e..e790f731ea 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb @@ -229,7 +229,7 @@ module ActiveRecord alias exec_without_stmt exec_query - # Returns an ActiveRecord::Result instance. + # Returns an ActiveRecord::Result instance. def select(sql, name = nil, binds = []) exec_query(sql, name) end diff --git a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb index 15b5452850..41a47183e0 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb @@ -279,11 +279,7 @@ module ActiveRecord end def exec_query(sql, name = 'SQL', binds = []) - # If the configuration sets prepared_statements:false, binds will - # always be empty, since the bind variables will have been already - # substituted and removed from binds by BindVisitor, so this will - # effectively disable prepared statement usage completely. - if binds.empty? + if without_prepared_statement?(binds) result_set, affected_rows = exec_without_stmt(sql, name) else result_set, affected_rows = exec_stmt(sql, name, binds) diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb index 527d13b9b0..86b96a77fb 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb @@ -135,8 +135,8 @@ module ActiveRecord def exec_query(sql, name = 'SQL', binds = []) log(sql, name, binds) do - result = binds.empty? ? exec_no_cache(sql, binds) : - exec_cache(sql, binds) + result = without_prepared_statement?(binds) ? exec_no_cache(sql, binds) : + exec_cache(sql, binds) types = {} fields = result.fields diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 5b9453a579..13978fd113 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -531,6 +531,7 @@ module ActiveRecord super(connection, logger) if self.class.type_cast_config_to_boolean(config.fetch(:prepared_statements) { true }) + @prepared_statements = true @visitor = Arel::Visitors::PostgreSQL.new self else @visitor = unprepared_visitor diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb index df489a5b1f..136094dcc9 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb @@ -113,6 +113,7 @@ module ActiveRecord @config = config if self.class.type_cast_config_to_boolean(config.fetch(:prepared_statements) { true }) + @prepared_statements = true @visitor = Arel::Visitors::SQLite.new self else @visitor = unprepared_visitor @@ -293,8 +294,8 @@ module ActiveRecord def exec_query(sql, name = nil, binds = []) log(sql, name, binds) do - # Don't cache statements without bind values - if binds.empty? + # Don't cache statements if they are not prepared + if without_prepared_statement?(binds) stmt = @connection.prepare(sql) cols = stmt.columns records = stmt.to_a diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb index 2b1e997ef4..b4d6474caa 100644 --- a/activerecord/lib/active_record/core.rb +++ b/activerecord/lib/active_record/core.rb @@ -168,7 +168,8 @@ module ActiveRecord defaults.each { |k, v| defaults[k] = v.dup if v.duplicable? } @attributes = self.class.initialize_attributes(defaults) - @columns_hash = self.class.column_types.dup + @column_types_override = nil + @column_types = self.class.column_types init_internals init_changed_attributes @@ -193,7 +194,8 @@ module ActiveRecord # post.title # => 'hello world' def init_with(coder) @attributes = self.class.initialize_attributes(coder['attributes']) - @columns_hash = self.class.column_types.merge(coder['column_types'] || {}) + @column_types_override = coder['column_types'] + @column_types = self.class.column_types init_internals diff --git a/activerecord/lib/active_record/fixtures.rb b/activerecord/lib/active_record/fixtures.rb index 40263b2a70..9a26e5df3f 100644 --- a/activerecord/lib/active_record/fixtures.rb +++ b/activerecord/lib/active_record/fixtures.rb @@ -436,9 +436,47 @@ module ActiveRecord cattr_accessor :all_loaded_fixtures self.all_loaded_fixtures = {} + class ClassCache + def initialize(class_names, config) + @class_names = class_names.stringify_keys + @config = config + + # Remove string values that aren't constants or subclasses of AR + @class_names.delete_if { |k,klass| + unless klass.is_a? Class + klass = klass.safe_constantize + ActiveSupport::Deprecation.warn("The ability to pass in strings as a class name will be removed in Rails 4.2, consider using the class itself instead.") + end + !insert_class(@class_names, k, klass) + } + end + + def [](fs_name) + @class_names.fetch(fs_name) { + klass = default_fixture_model(fs_name, @config).safe_constantize + insert_class(@class_names, fs_name, klass) + } + end + + private + + def insert_class(class_names, name, klass) + # We only want to deal with AR objects. + if klass && klass < ActiveRecord::Base + class_names[name] = klass + else + class_names[name] = nil + end + end + + def default_fixture_model(fs_name, config) + ActiveRecord::FixtureSet.default_fixture_model_name(fs_name, config) + end + end + def self.create_fixtures(fixtures_directory, fixture_set_names, class_names = {}, config = ActiveRecord::Base) fixture_set_names = Array(fixture_set_names).map(&:to_s) - class_names = class_names.stringify_keys + class_names = ClassCache.new class_names, config # FIXME: Apparently JK uses this. connection = block_given? ? yield : ActiveRecord::Base.connection @@ -452,10 +490,12 @@ module ActiveRecord fixtures_map = {} fixture_sets = files_to_read.map do |fs_name| + klass = class_names[fs_name] + conn = klass ? klass.connection : connection fixtures_map[fs_name] = new( # ActiveRecord::FixtureSet.new - connection, + conn, fs_name, - class_names[fs_name] || (default_fixture_model_name(fs_name, config).safe_constantize), + klass, ::File.join(fixtures_directory, fs_name)) end @@ -500,10 +540,10 @@ module ActiveRecord attr_reader :table_name, :name, :fixtures, :model_class, :config def initialize(connection, name, class_name, path, config = ActiveRecord::Base) - @fixtures = {} # Ordered hash @name = name @path = path @config = config + @model_class = nil if class_name.is_a?(String) ActiveSupport::Deprecation.warn("The ability to pass in strings as a class name will be removed in Rails 4.2, consider using the class itself instead.") @@ -515,14 +555,13 @@ module ActiveRecord @model_class = class_name.safe_constantize if class_name end - @connection = ( model_class.respond_to?(:connection) ? - model_class.connection : connection ) + @connection = connection @table_name = ( model_class.respond_to?(:table_name) ? model_class.table_name : self.class.default_fixture_table_name(name, config) ) - read_fixture_files + @fixtures = read_fixture_files path, @model_class end def [](x) @@ -556,7 +595,7 @@ module ActiveRecord rows[table_name] = fixtures.map do |label, fixture| row = fixture.to_hash - if model_class && model_class < ActiveRecord::Base + if model_class # fill in timestamp columns if they aren't specified and the model is set to record_timestamps if model_class.record_timestamps timestamp_column_names.each do |c_name| @@ -596,8 +635,12 @@ module ActiveRecord row[fk_name] = ActiveRecord::FixtureSet.identify(value) end + when :has_many + if association.options[:through] + add_join_records(rows, row, HasManyThroughProxy.new(association)) + end when :has_and_belongs_to_many - handle_habtm(rows, row, association) + add_join_records(rows, row, HABTMProxy.new(association)) end end end @@ -607,18 +650,56 @@ module ActiveRecord rows end + class ReflectionProxy # :nodoc: + def initialize(association) + @association = association + end + + def join_table + @association.join_table + end + + def name + @association.name + end + end + + class HasManyThroughProxy < ReflectionProxy # :nodoc: + def rhs_key + @association.foreign_key + end + + def lhs_key + @association.through_reflection.foreign_key + end + end + + class HABTMProxy < ReflectionProxy # :nodoc: + def rhs_key + @association.association_foreign_key + end + + def lhs_key + @association.foreign_key + end + end + private def primary_key_name @primary_key_name ||= model_class && model_class.primary_key end - def handle_habtm(rows, row, association) + def add_join_records(rows, row, association) + # This is the case when the join table has no fixtures file if (targets = row.delete(association.name.to_s)) - targets = targets.is_a?(Array) ? targets : targets.split(/\s*,\s*/) table_name = association.join_table + lhs_key = association.lhs_key + rhs_key = association.rhs_key + + targets = targets.is_a?(Array) ? targets : targets.split(/\s*,\s*/) rows[table_name].concat targets.map { |target| - { association.foreign_key => row[primary_key_name], - association.association_foreign_key => ActiveRecord::FixtureSet.identify(target) } + { lhs_key => row[primary_key_name], + rhs_key => ActiveRecord::FixtureSet.identify(target) } } end end @@ -641,12 +722,12 @@ module ActiveRecord @column_names ||= @connection.columns(@table_name).collect { |c| c.name } end - def read_fixture_files - yaml_files = Dir["#{@path}/{**,*}/*.yml"].select { |f| + def read_fixture_files(path, model_class) + yaml_files = Dir["#{path}/{**,*}/*.yml"].select { |f| ::File.file?(f) - } + [yaml_file_path] + } + [yaml_file_path(path)] - yaml_files.each do |file| + yaml_files.each_with_object({}) do |file, fixtures| FixtureSet::File.open(file) do |fh| fh.each do |fixture_name, row| fixtures[fixture_name] = ActiveRecord::Fixture.new(row, model_class) @@ -655,8 +736,8 @@ module ActiveRecord end end - def yaml_file_path - "#{@path}.yml" + def yaml_file_path(path) + "#{path}.yml" end end diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb index 582006ea7d..d630f31f5f 100644 --- a/activerecord/lib/active_record/persistence.rb +++ b/activerecord/lib/active_record/persistence.rb @@ -383,9 +383,10 @@ module ActiveRecord end @attributes.update(fresh_object.instance_variable_get('@attributes')) - @columns_hash = fresh_object.instance_variable_get('@columns_hash') - @attributes_cache = {} + @column_types = self.class.column_types + @column_types_override = fresh_object.instance_variable_get('@column_types_override') + @attributes_cache = {} self end diff --git a/activerecord/lib/active_record/railtie.rb b/activerecord/lib/active_record/railtie.rb index 269f9f975b..eef08aea88 100644 --- a/activerecord/lib/active_record/railtie.rb +++ b/activerecord/lib/active_record/railtie.rb @@ -46,6 +46,7 @@ module ActiveRecord ActiveRecord::Tasks::DatabaseTasks.database_configuration = Rails.application.config.database_configuration ActiveRecord::Tasks::DatabaseTasks.migrations_paths = Rails.application.paths['db/migrate'].to_a ActiveRecord::Tasks::DatabaseTasks.fixtures_path = File.join Rails.root, 'test', 'fixtures' + ActiveRecord::Tasks::DatabaseTasks.root = Rails.root if defined?(ENGINE_PATH) && engine = Rails::Engine.find(ENGINE_PATH) if engine.paths['db/migrate'].existent diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb index 150a90f5db..f47282b7fd 100644 --- a/activerecord/lib/active_record/reflection.rb +++ b/activerecord/lib/active_record/reflection.rb @@ -24,11 +24,11 @@ module ActiveRecord end def self.add_reflection(ar, name, reflection) - if reflection.class == AggregateReflection - ar.aggregate_reflections = ar.aggregate_reflections.merge(name => reflection) - else - ar.reflections = ar.reflections.merge(name => reflection) - end + ar.reflections = ar.reflections.merge(name => reflection) + end + + def self.add_aggregate_reflection(ar, name, reflection) + ar.aggregate_reflections = ar.aggregate_reflections.merge(name => reflection) end # \Reflection enables to interrogate Active Record classes and objects diff --git a/activerecord/lib/active_record/relation/merger.rb b/activerecord/lib/active_record/relation/merger.rb index 530c47d0d0..c05632e688 100644 --- a/activerecord/lib/active_record/relation/merger.rb +++ b/activerecord/lib/active_record/relation/merger.rb @@ -58,7 +58,11 @@ module ActiveRecord def merge normal_values.each do |name| value = values[name] - relation.send("#{name}!", *value) unless value.blank? + # The unless clause is here mostly for performance reasons (since the `send` call might be moderately + # expensive), most of the time the value is going to be `nil` or `.blank?`, the only catch is that + # `false.blank?` returns `true`, so there needs to be an extra check so that explicit `false` values + # don't fall through the cracks. + relation.send("#{name}!", *value) unless value.nil? || (value.blank? && false != value) end merge_multi_values diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index 1c6ea94c0b..9916c597ee 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -915,6 +915,7 @@ module ActiveRecord case opts when Relation name ||= 'subquery' + self.bind_values = opts.bind_values + self.bind_values opts.arel.as(name.to_s) else opts diff --git a/activerecord/lib/active_record/tasks/database_tasks.rb b/activerecord/lib/active_record/tasks/database_tasks.rb index 5ff594fdca..b91bbeb412 100644 --- a/activerecord/lib/active_record/tasks/database_tasks.rb +++ b/activerecord/lib/active_record/tasks/database_tasks.rb @@ -23,6 +23,7 @@ module ActiveRecord # * +fixtures_path+: a path to fixtures directory. # * +migrations_paths+: a list of paths to directories with migrations. # * +seed_loader+: an object which will load seeds, it needs to respond to the +load_seed+ method. + # * +root+: a path to the root of the application. # # Example usage of +DatabaseTasks+ outside Rails could look as such: # @@ -37,7 +38,7 @@ module ActiveRecord attr_writer :current_config attr_accessor :database_configuration, :migrations_paths, :seed_loader, :db_dir, - :fixtures_path, :env + :fixtures_path, :env, :root LOCAL_HOSTS = ['127.0.0.1', 'localhost'] diff --git a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb index de8b16627e..5688931db2 100644 --- a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb +++ b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb @@ -3,7 +3,7 @@ module ActiveRecord class SQLiteDatabaseTasks # :nodoc: delegate :connection, :establish_connection, to: ActiveRecord::Base - def initialize(configuration, root = Rails.root) + def initialize(configuration, root = ActiveRecord::Tasks::DatabaseTasks.root) @configuration, @root = configuration, root end |