diff options
Diffstat (limited to 'activerecord/lib/active_record')
45 files changed, 417 insertions, 344 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index ec78d10124..d3b9b8251a 100644 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -1052,7 +1052,7 @@ module ActiveRecord # Specifies a one-to-many association. The following methods for retrieval and query of # collections of associated objects will be added: # - # +collection+ is a placeholder for the symbol passed as the first argument, so + # +collection+ is a placeholder for the symbol passed as the +name+ argument, so # <tt>has_many :clients</tt> would add among others <tt>clients.empty?</tt>. # # [collection(force_reload = false)] @@ -1131,7 +1131,7 @@ module ActiveRecord # * <tt>Firm#clients.build</tt> (similar to <tt>Client.new("firm_id" => id)</tt>) # * <tt>Firm#clients.create</tt> (similar to <tt>c = Client.new("firm_id" => id); c.save; c</tt>) # * <tt>Firm#clients.create!</tt> (similar to <tt>c = Client.new("firm_id" => id); c.save!</tt>) - # The declaration can also include an options hash to specialize the behavior of the association. + # The declaration can also include an +options+ hash to specialize the behavior of the association. # # === Options # [:class_name] @@ -1209,7 +1209,7 @@ module ActiveRecord # Option examples: # has_many :comments, -> { order "posted_on" } # has_many :comments, -> { includes :author } - # has_many :people, -> { where("deleted = 0").order("name") }, class_name: "Person" + # has_many :people, -> { where(deleted: false).order("name") }, class_name: "Person" # has_many :tracks, -> { order "position" }, dependent: :destroy # has_many :comments, dependent: :nullify # has_many :tags, as: :taggable @@ -1227,7 +1227,7 @@ module ActiveRecord # # The following methods for retrieval and query of a single associated object will be added: # - # +association+ is a placeholder for the symbol passed as the first argument, so + # +association+ is a placeholder for the symbol passed as the +name+ argument, so # <tt>has_one :manager</tt> would add among others <tt>manager.nil?</tt>. # # [association(force_reload = false)] @@ -1259,7 +1259,7 @@ module ActiveRecord # # === Options # - # The declaration can also include an options hash to specialize the behavior of the association. + # The declaration can also include an +options+ hash to specialize the behavior of the association. # # Options are: # [:class_name] @@ -1338,7 +1338,7 @@ module ActiveRecord # Methods will be added for retrieval and query for a single associated object, for which # this object holds an id: # - # +association+ is a placeholder for the symbol passed as the first argument, so + # +association+ is a placeholder for the symbol passed as the +name+ argument, so # <tt>belongs_to :author</tt> would add among others <tt>author.nil?</tt>. # # [association(force_reload = false)] @@ -1364,7 +1364,7 @@ module ActiveRecord # * <tt>Post#build_author</tt> (similar to <tt>post.author = Author.new</tt>) # * <tt>Post#create_author</tt> (similar to <tt>post.author = Author.new; post.author.save; post.author</tt>) # * <tt>Post#create_author!</tt> (similar to <tt>post.author = Author.new; post.author.save!; post.author</tt>) - # The declaration can also include an options hash to specialize the behavior of the association. + # The declaration can also include an +options+ hash to specialize the behavior of the association. # # === Options # @@ -1435,7 +1435,7 @@ module ActiveRecord # belongs_to :firm, foreign_key: "client_of" # belongs_to :person, primary_key: "name", foreign_key: "person_name" # belongs_to :author, class_name: "Person", foreign_key: "author_id" - # belongs_to :valid_coupon, ->(o) { where "discounts > #{o.payments_count}" }, + # belongs_to :valid_coupon, ->(o) { where "discounts > ?", o.payments_count }, # class_name: "Coupon", foreign_key: "coupon_id" # belongs_to :attachable, polymorphic: true # belongs_to :project, readonly: true @@ -1480,7 +1480,7 @@ module ActiveRecord # # Adds the following methods for retrieval and query: # - # +collection+ is a placeholder for the symbol passed as the first argument, so + # +collection+ is a placeholder for the symbol passed as the +name+ argument, so # <tt>has_and_belongs_to_many :categories</tt> would add among others <tt>categories.empty?</tt>. # # [collection(force_reload = false)] @@ -1541,7 +1541,7 @@ module ActiveRecord # * <tt>Developer#projects.exists?(...)</tt> # * <tt>Developer#projects.build</tt> (similar to <tt>Project.new("developer_id" => id)</tt>) # * <tt>Developer#projects.create</tt> (similar to <tt>c = Project.new("developer_id" => id); c.save; c</tt>) - # The declaration may include an options hash to specialize the behavior of the association. + # The declaration may include an +options+ hash to specialize the behavior of the association. # # === Options # diff --git a/activerecord/lib/active_record/associations/has_many_association.rb b/activerecord/lib/active_record/associations/has_many_association.rb index 2a97d0ed31..1413efaf7f 100644 --- a/activerecord/lib/active_record/associations/has_many_association.rb +++ b/activerecord/lib/active_record/associations/has_many_association.rb @@ -103,7 +103,7 @@ module ActiveRecord if has_cached_counter?(reflection) counter = cached_counter_attribute_name(reflection) owner[counter] += difference - owner.changed_attributes.delete(counter) # eww + owner.send(:clear_attribute_changes, counter) # eww end end @@ -124,7 +124,7 @@ module ActiveRecord def inverse_updates_counter_named?(counter_name, reflection = reflection()) reflection.klass._reflections.values.any? { |inverse_reflection| - :belongs_to == inverse_reflection.macro && + inverse_reflection.belongs_to? && inverse_reflection.counter_cache_column == counter_name } 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 007e3bc555..44c4436e95 100644 --- a/activerecord/lib/active_record/associations/has_many_through_association.rb +++ b/activerecord/lib/active_record/associations/has_many_through_association.rb @@ -1,4 +1,3 @@ - module ActiveRecord # = Active Record Has Many Through Association module Associations diff --git a/activerecord/lib/active_record/associations/has_one_association.rb b/activerecord/lib/active_record/associations/has_one_association.rb index 944caacab6..e6095d84dc 100644 --- a/activerecord/lib/active_record/associations/has_one_association.rb +++ b/activerecord/lib/active_record/associations/has_one_association.rb @@ -1,4 +1,3 @@ - module ActiveRecord # = Active Record Belongs To Has One Association module Associations 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 a0e83c0a02..c3bbdccad8 100644 --- a/activerecord/lib/active_record/associations/join_dependency/join_association.rb +++ b/activerecord/lib/active_record/associations/join_dependency/join_association.rb @@ -37,14 +37,9 @@ module ActiveRecord table = tables.shift klass = reflection.klass - case reflection.source_macro - when :belongs_to - key = reflection.association_primary_key - foreign_key = reflection.foreign_key - else - key = reflection.foreign_key - foreign_key = reflection.active_record_primary_key - end + join_keys = reflection.join_keys(klass) + key = join_keys.key + foreign_key = join_keys.foreign_key constraint = build_constraint(klass, table, key, foreign_table, foreign_key) @@ -95,7 +90,7 @@ module ActiveRecord # end # # If I execute `Physician.joins(:appointments).to_a` then - # reflection # => #<ActiveRecord::Reflection::AssociationReflection @macro=:has_many ...> + # klass # => Physician # table # => #<Arel::Table @name="appointments" ...> # key # => physician_id # foreign_table # => #<Arel::Table @name="physicians" ...> diff --git a/activerecord/lib/active_record/associations/preloader/through_association.rb b/activerecord/lib/active_record/associations/preloader/through_association.rb index 1fed7f74e7..d57da366bd 100644 --- a/activerecord/lib/active_record/associations/preloader/through_association.rb +++ b/activerecord/lib/active_record/associations/preloader/through_association.rb @@ -63,7 +63,7 @@ module ActiveRecord should_reset = (through_scope != through_reflection.klass.unscoped) || (reflection.options[:source_type] && through_reflection.collection?) - # Dont cache the association - we would only be caching a subset + # Don't cache the association - we would only be caching a subset if should_reset owners.each { |owner| owner.association(association_name).reset diff --git a/activerecord/lib/active_record/associations/through_association.rb b/activerecord/lib/active_record/associations/through_association.rb index f00fef8b9e..611d471e62 100644 --- a/activerecord/lib/active_record/associations/through_association.rb +++ b/activerecord/lib/active_record/associations/through_association.rb @@ -3,7 +3,7 @@ module ActiveRecord module Associations module ThroughAssociation #:nodoc: - delegate :source_reflection, :through_reflection, :chain, :to => :reflection + delegate :source_reflection, :through_reflection, :to => :reflection protected @@ -13,7 +13,7 @@ module ActiveRecord # 2. To get the type conditions for any STI models in the chain def target_scope scope = super - chain.drop(1).each do |reflection| + reflection.chain.drop(1).each do |reflection| relation = reflection.klass.all relation.merge!(reflection.scope) if reflection.scope @@ -77,7 +77,7 @@ module ActiveRecord end def ensure_mutable - if source_reflection.macro != :belongs_to + unless source_reflection.belongs_to? raise HasManyThroughCantAssociateThroughHasOneOrManyReflection.new(owner, reflection) end end diff --git a/activerecord/lib/active_record/attribute.rb b/activerecord/lib/active_record/attribute.rb index 6d38224830..8cc1904575 100644 --- a/activerecord/lib/active_record/attribute.rb +++ b/activerecord/lib/active_record/attribute.rb @@ -30,10 +30,14 @@ module ActiveRecord def value # `defined?` is cheaper than `||=` when we get back falsy values - @value = type_cast(value_before_type_cast) unless defined?(@value) + @value = original_value unless defined?(@value) @value end + def original_value + type_cast(value_before_type_cast) + end + def value_for_database type.type_cast_for_database(value) end @@ -54,7 +58,7 @@ module ActiveRecord self.class.from_database(name, value, type) end - def type_cast + def type_cast(*) raise NotImplementedError end @@ -62,6 +66,13 @@ module ActiveRecord true end + def ==(other) + self.class == other.class && + name == other.name && + value_before_type_cast == other.value_before_type_cast && + type == other.type + end + protected def initialize_dup(other) diff --git a/activerecord/lib/active_record/attribute_methods.rb b/activerecord/lib/active_record/attribute_methods.rb index 1cdb530815..1ff28ceccc 100644 --- a/activerecord/lib/active_record/attribute_methods.rb +++ b/activerecord/lib/active_record/attribute_methods.rb @@ -57,6 +57,8 @@ module ActiveRecord end end + class GeneratedAttributeMethods < Module; end # :nodoc: + module ClassMethods def inherited(child_class) #:nodoc: child_class.initialize_generated_modules @@ -64,7 +66,7 @@ module ActiveRecord end def initialize_generated_modules # :nodoc: - @generated_attribute_methods = Module.new { extend Mutex_m } + @generated_attribute_methods = GeneratedAttributeMethods.new { extend Mutex_m } @attribute_methods_generated = false include @generated_attribute_methods end @@ -113,10 +115,11 @@ module ActiveRecord if superclass == Base super else - # If B < A and A defines its own attribute method, then we don't want to overwrite that. - defined = method_defined_within?(method_name, superclass, superclass.generated_attribute_methods) - base_defined = Base.method_defined?(method_name) || Base.private_method_defined?(method_name) - defined && !base_defined || super + # If ThisClass < ... < SomeSuperClass < ... < Base and SomeSuperClass + # defines its own attribute method, then we don't want to overwrite that. + defined = method_defined_within?(method_name, superclass, Base) && + ! superclass.instance_method(method_name).owner.is_a?(GeneratedAttributeMethods) + defined || super end end @@ -193,7 +196,7 @@ module ActiveRecord # # person = Person.new # person.column_for_attribute(:name) # the result depends on the ConnectionAdapter - # # => #<ActiveRecord::ConnectionAdapters::SQLite3Column:0x007ff4ab083980 @name="name", @sql_type="varchar(255)", @null=true, ...> + # # => #<ActiveRecord::ConnectionAdapters::Column:0x007ff4ab083980 @name="name", @sql_type="varchar(255)", @null=true, ...> # # person.column_for_attribute(:nothing) # # => nil @@ -279,9 +282,9 @@ module ActiveRecord end # Returns an <tt>#inspect</tt>-like string for the value of the - # attribute +attr_name+. String attributes are truncated upto 50 + # attribute +attr_name+. String attributes are truncated up to 50 # characters, Date and Time attributes are returned in the - # <tt>:db</tt> format, Array attributes are truncated upto 10 values. + # <tt>:db</tt> format, Array attributes are truncated up to 10 values. # Other attributes return the value of <tt>#inspect</tt> without # modification. # diff --git a/activerecord/lib/active_record/attribute_methods/dirty.rb b/activerecord/lib/active_record/attribute_methods/dirty.rb index b58295a106..d3f4e51c33 100644 --- a/activerecord/lib/active_record/attribute_methods/dirty.rb +++ b/activerecord/lib/active_record/attribute_methods/dirty.rb @@ -51,14 +51,6 @@ module ActiveRecord super | changed_in_place end - def attribute_changed?(attr_name, options = {}) - result = super - # We can't change "from" something in place. Only setters can define - # "from" and "to" - result ||= changed_in_place?(attr_name) unless options.key?(:from) - result - end - def changes_applied super store_original_raw_attributes @@ -69,12 +61,16 @@ module ActiveRecord original_raw_attributes.clear end + def changed_attributes + super.reverse_merge(attributes_changed_in_place).freeze + end + private def calculate_changes_from_defaults @changed_attributes = nil self.class.column_defaults.each do |attr, orig_value| - changed_attributes[attr] = orig_value if _field_changed?(attr, orig_value) + set_attribute_was(attr, orig_value) if _field_changed?(attr, orig_value) end end @@ -100,9 +96,9 @@ module ActiveRecord def save_changed_attribute(attr, old_value) if attribute_changed?(attr) - changed_attributes.delete(attr) unless _field_changed?(attr, old_value) + clear_attribute_changes(attr) unless _field_changed?(attr, old_value) else - changed_attributes[attr] = old_value if _field_changed?(attr, old_value) + set_attribute_was(attr, old_value) if _field_changed?(attr, old_value) end end @@ -132,6 +128,13 @@ module ActiveRecord @attributes[attr].changed_from?(old_value) end + def attributes_changed_in_place + changed_in_place.each_with_object({}) do |attr_name, h| + orig = @attributes[attr_name].original_value + h[attr_name] = orig + end + end + def changed_in_place self.class.attribute_names.select do |attr_name| changed_in_place?(attr_name) diff --git a/activerecord/lib/active_record/attribute_methods/primary_key.rb b/activerecord/lib/active_record/attribute_methods/primary_key.rb index cadad60ddd..9bd333bbac 100644 --- a/activerecord/lib/active_record/attribute_methods/primary_key.rb +++ b/activerecord/lib/active_record/attribute_methods/primary_key.rb @@ -39,6 +39,12 @@ module ActiveRecord read_attribute_before_type_cast(self.class.primary_key) end + # Returns the primary key previous value. + def id_was + sync_with_transaction_state + attribute_was(self.class.primary_key) + end + protected def attribute_method?(attr_name) @@ -54,7 +60,7 @@ module ActiveRecord end end - ID_ATTRIBUTE_METHODS = %w(id id= id? id_before_type_cast).to_set + ID_ATTRIBUTE_METHODS = %w(id id= id? id_before_type_cast id_was).to_set def dangerous_attribute_method?(method_name) super && !ID_ATTRIBUTE_METHODS.include?(method_name) diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index 64cc5b68cc..f978fbd0a4 100644 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -141,6 +141,7 @@ module ActiveRecord #:nodoc: # # In addition to the basic accessors, query methods are also automatically available on the Active Record object. # Query methods allow you to test whether an attribute value is present. + # For numeric values, present is defined as non-zero. # # For example, an Active Record User with the <tt>name</tt> attribute has a <tt>name?</tt> method that you can call # to determine whether the user has a name: diff --git a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb index cb75070e3a..a5fa9d6adc 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb @@ -462,23 +462,44 @@ module ActiveRecord # # For example, suppose that you have 5 models, with the following hierarchy: # - # | - # +-- Book - # | | - # | +-- ScaryBook - # | +-- GoodBook - # +-- Author - # +-- BankAccount + # class Author < ActiveRecord::Base + # end # - # Suppose that Book is to connect to a separate database (i.e. one other - # than the default database). Then Book, ScaryBook and GoodBook will all use - # the same connection pool. Likewise, Author and BankAccount will use the - # same connection pool. However, the connection pool used by Author/BankAccount - # is not the same as the one used by Book/ScaryBook/GoodBook. + # class BankAccount < ActiveRecord::Base + # end # - # Normally there is only a single ConnectionHandler instance, accessible via - # ActiveRecord::Base.connection_handler. Active Record models use this to - # determine the connection pool that they should use. + # class Book < ActiveRecord::Base + # establish_connection "library_db" + # end + # + # class ScaryBook < Book + # end + # + # class GoodBook < Book + # end + # + # And a database.yml that looked like this: + # + # development: + # database: my_application + # host: localhost + # + # library_db: + # database: library + # host: some.library.org + # + # Your primary database in the development environment is "my_application" + # but the Book model connects to a separate database called "library_db" + # (this can even be a database on a different machine). + # + # Book, ScaryBook and GoodBook will all use the same connection pool to + # "library_db" while Author, BankAccount, and any other models you create + # will use the default connection pool to "my_application". + # + # The various connection pools are managed by a single instance of + # ConnectionHandler accessible via ActiveRecord::Base.connection_handler. + # All Active Record models use this handler to determine the connection pool that they + # should use. class ConnectionHandler def initialize # These caches are keyed by klass.name, NOT klass. Keying them by klass 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 e8ce00d92b..98e96099cb 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb @@ -203,62 +203,30 @@ module ActiveRecord if options[:isolation] raise ActiveRecord::TransactionIsolationError, "cannot set isolation when joining a transaction" end - yield else - within_new_transaction(options) { yield } + transaction_manager.within_new_transaction(options) { yield } end rescue ActiveRecord::Rollback # rollbacks are silently swallowed end - def within_new_transaction(options = {}) #:nodoc: - transaction = begin_transaction(options) - yield - rescue Exception => error - rollback_transaction if transaction - raise - ensure - begin - commit_transaction unless error - rescue Exception - rollback_transaction - raise - end - end - - def open_transactions - @transaction.number - end + attr_reader :transaction_manager #:nodoc: - def current_transaction #:nodoc: - @transaction - end + delegate :within_new_transaction, :open_transactions, :current_transaction, :begin_transaction, :commit_transaction, :rollback_transaction, to: :transaction_manager def transaction_open? - @transaction.open? - end - - def begin_transaction(options = {}) #:nodoc: - @transaction = @transaction.begin(options) - end - - def commit_transaction #:nodoc: - @transaction = @transaction.commit - end - - def rollback_transaction #:nodoc: - @transaction = @transaction.rollback + current_transaction.open? end def reset_transaction #:nodoc: - @transaction = ClosedTransaction.new(self) + @transaction_manager = TransactionManager.new(self) end # Register a record with the current transaction so that its after_commit and after_rollback callbacks # can be called. def add_transaction_record(record) - @transaction.add_record(record) + current_transaction.add_record(record) end # Begins the transaction (and turns off auto-committing). diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb index 10753defc2..4957e1ac80 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -43,13 +43,14 @@ module ActiveRecord # index_exists?(:suppliers, :company_id, name: "idx_company_id") # def index_exists?(table_name, column_name, options = {}) - column_names = Array(column_name) - index_name = options.key?(:name) ? options[:name].to_s : index_name(table_name, :column => column_names) - if options[:unique] - indexes(table_name).any?{ |i| i.unique && i.name == index_name } - else - indexes(table_name).any?{ |i| i.name == index_name } - end + column_names = Array(column_name).map(&:to_s) + index_name = options.key?(:name) ? options[:name].to_s : index_name(table_name, column: column_names) + checks = [] + checks << lambda { |i| i.name == index_name } + checks << lambda { |i| i.columns == column_names } + checks << lambda { |i| i.unique } if options[:unique] + + indexes(table_name).any? { |i| checks.all? { |check| check[i] } } end # Returns an array of Column objects for the table specified by +table_name+. diff --git a/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb b/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb index bc4884b538..8f06cf3a1f 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb @@ -1,20 +1,7 @@ module ActiveRecord module ConnectionAdapters - class Transaction #:nodoc: - attr_reader :connection - - def initialize(connection) - @connection = connection - @state = TransactionState.new - end - - def state - @state - end - end - class TransactionState - attr_accessor :parent + attr_reader :parent VALID_STATES = Set.new([:committed, :rolledback, nil]) @@ -43,82 +30,24 @@ module ActiveRecord end end - class ClosedTransaction < Transaction #:nodoc: - def number - 0 - end - - def begin(options = {}) - RealTransaction.new(connection, self, options) - end - - def closed? - true - end - - def open? - false - end - - def joinable? - false - end - - # This is a noop when there are no open transactions - def add_record(record) - end + class NullTransaction #:nodoc: + def initialize; end + def closed?; true; end + def open?; false; end + def joinable?; false; end + def add_record(record); end end - class OpenTransaction < Transaction #:nodoc: - attr_reader :parent, :records - attr_writer :joinable - - def initialize(connection, parent, options = {}) - super connection - - @parent = parent - @records = [] - @finishing = false - @joinable = options.fetch(:joinable, true) - end - - # This state is necessary so that we correctly handle stuff that might - # happen in a commit/rollback. But it's kinda distasteful. Maybe we can - # find a better way to structure it in the future. - def finishing? - @finishing - end - - def joinable? - @joinable && !finishing? - end - - def number - if finishing? - parent.number - else - parent.number + 1 - end - end - - def begin(options = {}) - if finishing? - parent.begin - else - SavepointTransaction.new(connection, self, options) - end - end + class Transaction #:nodoc: - def rollback - @finishing = true - perform_rollback - parent - end + attr_reader :connection, :state, :records, :savepoint_name + attr_writer :joinable - def commit - @finishing = true - perform_commit - parent + def initialize(connection, options) + @connection = connection + @state = TransactionState.new + @records = [] + @joinable = options.fetch(:joinable, true) end def add_record(record) @@ -129,19 +58,25 @@ module ActiveRecord end end - def rollback_records + def rollback @state.set_state(:rolledback) + end + + def rollback_records records.uniq.each do |record| begin - record.rolledback!(parent.closed?) + record.rolledback! full_rollback? rescue => e record.logger.error(e) if record.respond_to?(:logger) && record.logger end end end - def commit_records + def commit @state.set_state(:committed) + end + + def commit_records records.uniq.each do |record| begin record.committed! @@ -151,19 +86,42 @@ module ActiveRecord end end - def closed? - false + def full_rollback?; true; end + def joinable?; @joinable; end + def closed?; false; end + def open?; !closed?; end + end + + class SavepointTransaction < Transaction + + def initialize(connection, savepoint_name, options) + super(connection, options) + if options[:isolation] + raise ActiveRecord::TransactionIsolationError, "cannot set transaction isolation in a nested transaction" + end + connection.create_savepoint(@savepoint_name = savepoint_name) + end + + def rollback + super + connection.rollback_to_savepoint(savepoint_name) + rollback_records end - def open? - true + def commit + super + connection.release_savepoint(savepoint_name) + parent = connection.transaction_manager.current_transaction + records.each { |r| parent.add_record(r) } end + + def full_rollback?; false; end end - class RealTransaction < OpenTransaction #:nodoc: - def initialize(connection, parent, options = {}) - super + class RealTransaction < Transaction + def initialize(connection, options) + super if options[:isolation] connection.begin_isolated_db_transaction(options[:isolation]) else @@ -171,37 +129,69 @@ module ActiveRecord end end - def perform_rollback + def rollback + super connection.rollback_db_transaction rollback_records end - def perform_commit + def commit + super connection.commit_db_transaction commit_records end end - class SavepointTransaction < OpenTransaction #:nodoc: - def initialize(connection, parent, options = {}) - if options[:isolation] - raise ActiveRecord::TransactionIsolationError, "cannot set transaction isolation in a nested transaction" - end + class TransactionManager #:nodoc: + def initialize(connection) + @stack = [] + @connection = connection + end - super - connection.create_savepoint + def begin_transaction(options = {}) + transaction = + if @stack.empty? + RealTransaction.new(@connection, options) + else + SavepointTransaction.new(@connection, "active_record_#{@stack.size}", options) + end + @stack.push(transaction) + transaction end - def perform_rollback - connection.rollback_to_savepoint - rollback_records + def commit_transaction + @stack.pop.commit end - def perform_commit - @state.set_state(:committed) - @state.parent = parent.state - connection.release_savepoint + def rollback_transaction + @stack.pop.rollback + end + + def within_new_transaction(options = {}) + transaction = begin_transaction options + yield + rescue Exception => error + rollback_transaction if transaction + raise + ensure + begin + commit_transaction unless error + rescue Exception + transaction.rollback + raise + end end + + def open_transactions + @stack.size + end + + def current_transaction + @stack.last || NULL_TRANSACTION + end + + private + NULL_TRANSACTION = NullTransaction.new end end end diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb index f8c054eb69..a1b6671664 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb @@ -45,7 +45,8 @@ module ActiveRecord end autoload_at 'active_record/connection_adapters/abstract/transaction' do - autoload :ClosedTransaction + autoload :TransactionManager + autoload :NullTransaction autoload :RealTransaction autoload :SavepointTransaction autoload :TransactionState @@ -357,7 +358,7 @@ module ActiveRecord end def current_savepoint_name - "active_record_#{open_transactions}" + current_transaction.savepoint_name end # Check the connection back in to the connection pool diff --git a/activerecord/lib/active_record/connection_adapters/column.rb b/activerecord/lib/active_record/connection_adapters/column.rb index 1f1e2c46f4..5f9cc6edd0 100644 --- a/activerecord/lib/active_record/connection_adapters/column.rb +++ b/activerecord/lib/active_record/connection_adapters/column.rb @@ -16,7 +16,7 @@ module ActiveRecord attr_reader :name, :cast_type, :null, :sql_type, :default, :default_function delegate :type, :precision, :scale, :limit, :klass, :accessor, - :text?, :number?, :binary?, :changed?, + :number?, :binary?, :changed?, :type_cast_from_user, :type_cast_from_database, :type_cast_for_database, :type_cast_for_schema, to: :cast_type diff --git a/activerecord/lib/active_record/connection_adapters/connection_specification.rb b/activerecord/lib/active_record/connection_adapters/connection_specification.rb index 5693031053..d28a54b8f9 100644 --- a/activerecord/lib/active_record/connection_adapters/connection_specification.rb +++ b/activerecord/lib/active_record/connection_adapters/connection_specification.rb @@ -32,7 +32,7 @@ module ActiveRecord # } def initialize(url) raise "Database URL cannot be empty" if url.blank? - @uri = URI.parse(url) + @uri = uri_parser.parse(url) @adapter = @uri.scheme.gsub('-', '_') @adapter = "postgresql" if @adapter == "postgres" diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb index 34ed32ad35..380c50fc14 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb @@ -12,7 +12,7 @@ module ActiveRecord # roundtripping jsonb columns. This causes some false positives for # the comparison here. Therefore, we need to parse and re-dump the # raw value here to ensure the insignificant whitespaces are - # consitent with our encoder's output. + # consistent with our encoder's output. raw_old_value = type_cast_for_database(type_cast_from_database(raw_old_value)) super(raw_old_value, new_value) end diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/xml.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/xml.rb index 7323f12763..334af7c598 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/xml.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/xml.rb @@ -7,10 +7,6 @@ module ActiveRecord :xml end - def text? - false - end - def type_cast_for_database(value) return unless value Data.new(super) diff --git a/activerecord/lib/active_record/connection_adapters/schema_cache.rb b/activerecord/lib/active_record/connection_adapters/schema_cache.rb index 4d8afcf16a..a10ce330c7 100644 --- a/activerecord/lib/active_record/connection_adapters/schema_cache.rb +++ b/activerecord/lib/active_record/connection_adapters/schema_cache.rb @@ -1,4 +1,3 @@ - module ActiveRecord module ConnectionAdapters class SchemaCache @@ -20,6 +19,7 @@ module ActiveRecord # A cached lookup for table existence. def table_exists?(name) + prepare_tables if @tables.empty? return @tables[name] if @tables.key? name @tables[name] = connection.table_exists?(name) @@ -83,6 +83,12 @@ module ActiveRecord def marshal_load(array) @version, @columns, @columns_hash, @primary_keys, @tables = array end + + private + + def prepare_tables + connection.tables.each { |table| @tables[table] = true } + end end end end diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb index bf96acad4a..faf1cdc686 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb @@ -385,7 +385,7 @@ module ActiveRecord table_name && tables(nil, table_name).any? end - # Returns an array of +SQLite3Column+ objects for the table specified by +table_name+. + # Returns an array of +Column+ objects for the table specified by +table_name+. def columns(table_name) #:nodoc: table_structure(table_name).map do |field| case field["dflt_value"] diff --git a/activerecord/lib/active_record/counter_cache.rb b/activerecord/lib/active_record/counter_cache.rb index a33c7c64a7..f0b6afc4b4 100644 --- a/activerecord/lib/active_record/counter_cache.rb +++ b/activerecord/lib/active_record/counter_cache.rb @@ -34,7 +34,7 @@ module ActiveRecord foreign_key = has_many_association.foreign_key.to_s child_class = has_many_association.klass - reflection = child_class._reflections.values.find { |e| :belongs_to == e.macro && e.foreign_key.to_s == foreign_key && e.options[:counter_cache].present? } + reflection = child_class._reflections.values.find { |e| e.belongs_to? && e.foreign_key.to_s == foreign_key && e.options[:counter_cache].present? } counter_name = reflection.counter_cache_column stmt = unscoped.where(arel_table[primary_key].eq(object.id)).arel.compile_update({ diff --git a/activerecord/lib/active_record/enum.rb b/activerecord/lib/active_record/enum.rb index f0ee433d0b..5958373e88 100644 --- a/activerecord/lib/active_record/enum.rb +++ b/activerecord/lib/active_record/enum.rb @@ -145,11 +145,11 @@ module ActiveRecord value = read_attribute(attr_name) if attribute_changed?(attr_name) if mapping[old] == value - changed_attributes.delete(attr_name) + clear_attribute_changes([attr_name]) end else if old != value - changed_attributes[attr_name] = mapping.key old + set_attribute_was(attr_name, mapping.key(old)) end end else diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index e94b6ae9eb..a6847e28c2 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -399,7 +399,7 @@ module ActiveRecord def load_schema_if_pending! if ActiveRecord::Migrator.needs_migration? - ActiveRecord::Tasks::DatabaseTasks.load_schema + ActiveRecord::Tasks::DatabaseTasks.load_schema_current check_pending! end end @@ -814,22 +814,22 @@ module ActiveRecord migrations = migrations(migrations_paths) migrations.select! { |m| yield m } if block_given? - self.new(:up, migrations, target_version).migrate + new(:up, migrations, target_version).migrate end def down(migrations_paths, target_version = nil, &block) migrations = migrations(migrations_paths) migrations.select! { |m| yield m } if block_given? - self.new(:down, migrations, target_version).migrate + new(:down, migrations, target_version).migrate end def run(direction, migrations_paths, target_version) - self.new(direction, migrations(migrations_paths), target_version).run + new(direction, migrations(migrations_paths), target_version).run end def open(migrations_paths) - self.new(:up, migrations(migrations_paths), nil) + new(:up, migrations(migrations_paths), nil) end def schema_migrations_table_name @@ -892,7 +892,7 @@ module ActiveRecord private def move(direction, migrations_paths, steps) - migrator = self.new(direction, migrations(migrations_paths)) + migrator = new(direction, migrations(migrations_paths)) start_index = migrator.migrations.index(migrator.current_migration) if start_index diff --git a/activerecord/lib/active_record/migration/command_recorder.rb b/activerecord/lib/active_record/migration/command_recorder.rb index f833caaab6..36256415df 100644 --- a/activerecord/lib/active_record/migration/command_recorder.rb +++ b/activerecord/lib/active_record/migration/command_recorder.rb @@ -87,7 +87,7 @@ module ActiveRecord alias :add_belongs_to :add_reference alias :remove_belongs_to :remove_reference - def change_table(table_name, options = {}) + def change_table(table_name, options = {}) # :nodoc: yield delegate.update_table_definition(table_name, self) end diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb index 96e44c2f59..755ff2b2f1 100644 --- a/activerecord/lib/active_record/persistence.rb +++ b/activerecord/lib/active_record/persistence.rb @@ -36,6 +36,23 @@ module ActiveRecord end end + # Creates an object (or multiple objects) and saves it to the database, + # if validations pass. Raises a RecordInvalid error if validations fail, + # unlike Base#create. + # + # The +attributes+ parameter can be either a Hash or an Array of Hashes. + # These describe which attributes to be created on the object, or + # multiple objects when given an Array of Hashes. + def create!(attributes = nil, &block) + if attributes.is_a?(Array) + attributes.collect { |attr| create!(attr, &block) } + else + object = new(attributes, &block) + object.save! + object + end + end + # Given an attributes hash, +instantiate+ returns a new instance of # the appropriate class. Accepts only keys as strings. # @@ -270,7 +287,8 @@ module ActiveRecord # This method raises an +ActiveRecord::ActiveRecordError+ when called on new # objects, or when at least one of the attributes is marked as readonly. def update_columns(attributes) - raise ActiveRecordError, "cannot update on a new record object" unless persisted? + raise ActiveRecordError, "cannot update a new record" if new_record? + raise ActiveRecordError, "cannot update a destroyed record" if destroyed? attributes.each_key do |key| verify_readonly_attribute(key.to_s) @@ -448,7 +466,7 @@ module ActiveRecord changes[self.class.locking_column] = increment_lock if locking_enabled? - changed_attributes.except!(*changes.keys) + clear_attribute_changes(changes.keys) primary_key = self.class.primary_key self.class.unscoped.where(primary_key => self[primary_key]).update_all(changes) == 1 else diff --git a/activerecord/lib/active_record/query_cache.rb b/activerecord/lib/active_record/query_cache.rb index 16ad942912..dcb2bd3d84 100644 --- a/activerecord/lib/active_record/query_cache.rb +++ b/activerecord/lib/active_record/query_cache.rb @@ -1,4 +1,3 @@ - module ActiveRecord # = Active Record Query Cache class QueryCache diff --git a/activerecord/lib/active_record/railties/databases.rake b/activerecord/lib/active_record/railties/databases.rake index fa94df7a52..458862a538 100644 --- a/activerecord/lib/active_record/railties/databases.rake +++ b/activerecord/lib/active_record/railties/databases.rake @@ -41,10 +41,7 @@ db_namespace = namespace :db do desc "Migrate the database (options: VERSION=x, VERBOSE=false, SCOPE=blog)." task :migrate => [:environment, :load_config] do - ActiveRecord::Migration.verbose = ENV["VERBOSE"] ? ENV["VERBOSE"] == "true" : true - ActiveRecord::Migrator.migrate(ActiveRecord::Migrator.migrations_paths, ENV["VERSION"] ? ENV["VERSION"].to_i : nil) do |migration| - ENV["SCOPE"].blank? || (ENV["SCOPE"] == migration.scope) - end + ActiveRecord::Tasks::DatabaseTasks.migrate db_namespace['_dump'].invoke if ActiveRecord::Base.dump_schema_after_migration end @@ -243,7 +240,7 @@ db_namespace = namespace :db do desc 'Load a schema.rb file into the database' task :load => [:environment, :load_config] do - ActiveRecord::Tasks::DatabaseTasks.load_schema(:ruby, ENV['SCHEMA']) + ActiveRecord::Tasks::DatabaseTasks.load_schema_current(:ruby, ENV['SCHEMA']) end task :load_if_ruby => ['db:create', :environment] do @@ -289,7 +286,7 @@ db_namespace = namespace :db do desc "Recreate the databases from the structure.sql file" task :load => [:environment, :load_config] do - ActiveRecord::Tasks::DatabaseTasks.load_schema(:sql, ENV['DB_STRUCTURE']) + ActiveRecord::Tasks::DatabaseTasks.load_schema_current(:sql, ENV['DB_STRUCTURE']) end task :load_if_sql => ['db:create', :environment] do @@ -320,9 +317,8 @@ db_namespace = namespace :db do task :load_schema => %w(db:test:deprecated db:test:purge) do begin should_reconnect = ActiveRecord::Base.connection_pool.active_connection? - ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations['test']) ActiveRecord::Schema.verbose = false - db_namespace["schema:load"].invoke + ActiveRecord::Tasks::DatabaseTasks.load_schema_for ActiveRecord::Base.configurations['test'], :ruby, ENV['SCHEMA'] ensure if should_reconnect ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations[ActiveRecord::Tasks::DatabaseTasks.env]) @@ -332,12 +328,7 @@ db_namespace = namespace :db do # desc "Recreate the test database from an existent structure.sql file" task :load_structure => %w(db:test:deprecated db:test:purge) do - begin - ActiveRecord::Tasks::DatabaseTasks.current_config(:config => ActiveRecord::Base.configurations['test']) - db_namespace["structure:load"].invoke - ensure - ActiveRecord::Tasks::DatabaseTasks.current_config(:config => nil) - end + ActiveRecord::Tasks::DatabaseTasks.load_schema_for ActiveRecord::Base.configurations['test'], :sql, ENV['SCHEMA'] end # desc "Recreate the test database from a fresh schema" diff --git a/activerecord/lib/active_record/readonly_attributes.rb b/activerecord/lib/active_record/readonly_attributes.rb index b3ddfd63d4..85bbac43e4 100644 --- a/activerecord/lib/active_record/readonly_attributes.rb +++ b/activerecord/lib/active_record/readonly_attributes.rb @@ -1,4 +1,3 @@ - module ActiveRecord module ReadonlyAttributes extend ActiveSupport::Concern diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb index 86eef9ca36..1547c8e3f4 100644 --- a/activerecord/lib/active_record/reflection.rb +++ b/activerecord/lib/active_record/reflection.rb @@ -38,7 +38,7 @@ module ActiveRecord ar.aggregate_reflections = ar.aggregate_reflections.merge(name.to_s => reflection) end - # \Reflection enables to interrogate Active Record classes and objects + # \Reflection enables interrogating Active Record classes and objects # about their associations and aggregations. This information can, # for example, be used in a form builder that takes an Active Record object # and creates input fields for all of the attributes depending on their type @@ -149,27 +149,25 @@ module ActiveRecord JoinKeys = Struct.new(:key, :foreign_key) # :nodoc: def join_keys(assoc_klass) - if source_macro == :belongs_to - if polymorphic? - reflection_key = association_primary_key(assoc_klass) - else - reflection_key = association_primary_key - end - reflection_foreign_key = foreign_key - else - reflection_foreign_key = active_record_primary_key - reflection_key = foreign_key - end - JoinKeys.new(reflection_key, reflection_foreign_key) + JoinKeys.new(foreign_key, active_record_primary_key) + end + + def source_macro + ActiveSupport::Deprecation.warn("ActiveRecord::Base.source_macro is deprecated and " \ + "will be removed without replacement.") + macro end end # Base class for AggregateReflection and AssociationReflection. Objects of # AggregateReflection and AssociationReflection are returned by the Reflection::ClassMethods. # # MacroReflection - # AggregateReflection # AssociationReflection - # ThroughReflection + # AggregateReflection + # HasManyReflection + # HasOneReflection + # BelongsToReflection + # ThroughReflection class MacroReflection < AbstractReflection # Returns the name of the macro. # @@ -351,9 +349,8 @@ Joining, Preloading and eager loading of these associations is deprecated and wi end alias :check_eager_loadable! :check_preloadable! - def join_id_for(owner) #:nodoc: - key = (source_macro == :belongs_to) ? foreign_key : active_record_primary_key - owner[key] + def join_id_for(owner) # :nodoc: + owner[active_record_primary_key] end def through_reflection @@ -380,8 +377,6 @@ Joining, Preloading and eager loading of these associations is deprecated and wi scope ? [[scope]] : [[]] end - def source_macro; macro; end - def has_inverse? inverse_name end @@ -428,14 +423,10 @@ Joining, Preloading and eager loading of these associations is deprecated and wi end # Returns +true+ if +self+ is a +belongs_to+ reflection. - def belongs_to? - macro == :belongs_to - end + def belongs_to?; false; end # Returns +true+ if +self+ is a +has_one+ reflection. - def has_one? - macro == :has_one - end + def has_one?; false; end def association_class case macro @@ -575,35 +566,46 @@ Joining, Preloading and eager loading of these associations is deprecated and wi end end - class HasManyReflection < AssociationReflection #:nodoc: + class HasManyReflection < AssociationReflection # :nodoc: def initialize(name, scope, options, active_record) super(name, scope, options, active_record) end def macro; :has_many; end - def collection? - true - end + def collection?; true; end end - class HasOneReflection < AssociationReflection #:nodoc: + class HasOneReflection < AssociationReflection # :nodoc: def initialize(name, scope, options, active_record) super(name, scope, options, active_record) end def macro; :has_one; end + + def has_one?; true; end end - class BelongsToReflection < AssociationReflection #:nodoc: + class BelongsToReflection < AssociationReflection # :nodoc: def initialize(name, scope, options, active_record) super(name, scope, options, active_record) end def macro; :belongs_to; end + + def belongs_to?; true; end + + def join_keys(assoc_klass) + key = polymorphic? ? association_primary_key(assoc_klass) : association_primary_key + JoinKeys.new(key, foreign_key) + end + + def join_id_for(owner) # :nodoc: + owner[foreign_key] + end end - class HasAndBelongsToManyReflection < AssociationReflection #:nodoc: + class HasAndBelongsToManyReflection < AssociationReflection # :nodoc: def initialize(name, scope, options, active_record) super end @@ -647,7 +649,7 @@ Joining, Preloading and eager loading of these associations is deprecated and wi # # tags_reflection = Post.reflect_on_association(:tags) # tags_reflection.source_reflection - # # => <ActiveRecord::Reflection::AssociationReflection: @macro=:belongs_to, @name=:tag, @active_record=Tagging, @plural_name="tags"> + # # => <ActiveRecord::Reflection::BelongsToReflection: @name=:tag, @active_record=Tagging, @plural_name="tags"> # def source_reflection through_reflection.klass._reflect_on_association(source_reflection_name) @@ -663,7 +665,7 @@ Joining, Preloading and eager loading of these associations is deprecated and wi # # tags_reflection = Post.reflect_on_association(:tags) # tags_reflection.through_reflection - # # => <ActiveRecord::Reflection::AssociationReflection: @macro=:has_many, @name=:taggings, @active_record=Post, @plural_name="taggings"> + # # => <ActiveRecord::Reflection::HasManyReflection: @name=:taggings, @active_record=Post, @plural_name="taggings"> # def through_reflection active_record._reflect_on_association(options[:through]) @@ -683,8 +685,8 @@ Joining, Preloading and eager loading of these associations is deprecated and wi # # tags_reflection = Post.reflect_on_association(:tags) # tags_reflection.chain - # # => [<ActiveRecord::Reflection::ThroughReflection: @macro=:has_many, @name=:tags, @options={:through=>:taggings}, @active_record=Post>, - # <ActiveRecord::Reflection::AssociationReflection: @macro=:has_many, @name=:taggings, @options={}, @active_record=Post>] + # # => [<ActiveRecord::Reflection::ThroughReflection: @delegate_reflection=#<ActiveRecord::Reflection::HasManyReflection: @name=:tags...>, + # <ActiveRecord::Reflection::HasManyReflection: @name=:taggings, @options={}, @active_record=Post>] # def chain @chain ||= begin @@ -734,8 +736,14 @@ Joining, Preloading and eager loading of these associations is deprecated and wi end end + def join_keys(assoc_klass) + source_reflection.join_keys(assoc_klass) + end + # The macro used by the source association def source_macro + ActiveSupport::Deprecation.warn("ActiveRecord::Base.source_macro is deprecated and " \ + "will be removed without replacement.") source_reflection.source_macro end @@ -801,6 +809,10 @@ directive on your declaration like: through_reflection.options end + def join_id_for(owner) # :nodoc: + source_reflection.join_id_for(owner) + end + def check_validity! if through_reflection.nil? raise HasManyThroughAssociationNotFoundError.new(active_record.name, self) diff --git a/activerecord/lib/active_record/relation/batches.rb b/activerecord/lib/active_record/relation/batches.rb index 29fc150b3d..b069cdce7c 100644 --- a/activerecord/lib/active_record/relation/batches.rb +++ b/activerecord/lib/active_record/relation/batches.rb @@ -1,4 +1,3 @@ - module ActiveRecord module Batches # Looping through a collection of records from the database diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index 1262b2c291..c8f382ad78 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -952,9 +952,7 @@ WARNING self.bind_values += bind_values attributes = @klass.send(:expand_hash_conditions_for_aggregates, tmp_opts) - attributes.values.grep(ActiveRecord::Relation) do |rel| - self.bind_values += rel.bind_values - end + add_relations_to_bind_values(attributes) PredicateBuilder.build_from_hash(klass, attributes, table) else @@ -1137,5 +1135,19 @@ WARNING raise ArgumentError, "The method .#{method_name}() must contain arguments." end end + + # This function is recursive just for better readablity. + # #where argument doesn't support more than one level nested hash in real world. + def add_relations_to_bind_values(attributes) + if attributes.is_a?(Hash) + attributes.each_value do |value| + if value.is_a?(ActiveRecord::Relation) + self.bind_values += value.bind_values + else + add_relations_to_bind_values(value) + end + end + end + end end end diff --git a/activerecord/lib/active_record/schema.rb b/activerecord/lib/active_record/schema.rb index 4bfd0167a4..0a5546a760 100644 --- a/activerecord/lib/active_record/schema.rb +++ b/activerecord/lib/active_record/schema.rb @@ -1,4 +1,3 @@ - module ActiveRecord # = Active Record Schema # diff --git a/activerecord/lib/active_record/schema_dumper.rb b/activerecord/lib/active_record/schema_dumper.rb index a94364bde1..fae6427ea1 100644 --- a/activerecord/lib/active_record/schema_dumper.rb +++ b/activerecord/lib/active_record/schema_dumper.rb @@ -92,16 +92,9 @@ HEADER def tables(stream) sorted_tables = @connection.tables.sort - sorted_tables.each do |tbl| - next if ['schema_migrations', ignore_tables].flatten.any? do |ignored| - case ignored - when String; remove_prefix_and_suffix(tbl) == ignored - when Regexp; remove_prefix_and_suffix(tbl) =~ ignored - else - raise StandardError, 'ActiveRecord::SchemaDumper.ignore_tables accepts an array of String and / or Regexp values.' - end - end - table(tbl, stream) + + sorted_tables.each do |table_name| + table(table_name, stream) unless ignored?(table_name) end # dump foreign keys at the end to make sure all dependent tables exist. @@ -254,5 +247,16 @@ HEADER def remove_prefix_and_suffix(table) table.gsub(/^(#{@options[:table_name_prefix]})(.+)(#{@options[:table_name_suffix]})$/, "\\2") end + + def ignored?(table_name) + ['schema_migrations', ignore_tables].flatten.any? do |ignored| + case ignored + when String; remove_prefix_and_suffix(table_name) == ignored + when Regexp; remove_prefix_and_suffix(table_name) =~ ignored + else + raise StandardError, 'ActiveRecord::SchemaDumper.ignore_tables accepts an array of String and / or Regexp values.' + end + end + end end end diff --git a/activerecord/lib/active_record/tasks/database_tasks.rb b/activerecord/lib/active_record/tasks/database_tasks.rb index 9bc23b5ec7..892c78e479 100644 --- a/activerecord/lib/active_record/tasks/database_tasks.rb +++ b/activerecord/lib/active_record/tasks/database_tasks.rb @@ -110,6 +110,8 @@ module ActiveRecord def drop(*arguments) configuration = arguments.first class_for_adapter(configuration['adapter']).new(*arguments).drop + rescue ActiveRecord::NoDatabaseError + $stderr.puts "Database '#{configuration['database']}' does not exist" rescue Exception => error $stderr.puts error, *(error.backtrace) $stderr.puts "Couldn't drop #{configuration['database']}" @@ -125,6 +127,16 @@ module ActiveRecord } end + def migrate + verbose = ENV["VERBOSE"] ? ENV["VERBOSE"] == "true" : true + version = ENV["VERSION"] ? ENV["VERSION"].to_i : nil + scope = ENV['SCOPE'] + Migration.verbose = verbose + Migrator.migrate(Migrator.migrations_paths, version) do |migration| + scope.blank? || scope == migration.scope + end + end + def charset_current(environment = env) charset ActiveRecord::Base.configurations[environment] end @@ -172,20 +184,39 @@ module ActiveRecord end def load_schema(format = ActiveRecord::Base.schema_format, file = nil) + ActiveSupport::Deprecation.warn(<<-MESSAGE.strip_heredoc) + This method will act on a specific connection in the future. + To act on the current connection, use `load_schema_current` instead. + MESSAGE + load_schema_current(format, file) + end + + # This method is the successor of +load_schema+. We should rename it + # after +load_schema+ went through a deprecation cycle. (Rails > 4.2) + def load_schema_for(configuration, format = ActiveRecord::Base.schema_format, file = nil) # :nodoc: case format when :ruby file ||= File.join(db_dir, "schema.rb") check_schema_file(file) + purge(configuration) + ActiveRecord::Base.establish_connection(configuration) load(file) when :sql file ||= File.join(db_dir, "structure.sql") check_schema_file(file) - structure_load(current_config, file) + purge(configuration) + structure_load(configuration, file) else raise ArgumentError, "unknown format #{format.inspect}" end end + def load_schema_current(format = ActiveRecord::Base.schema_format, file = nil, environment = env) + each_current_configuration(environment) { |configuration| + load_schema_for configuration, format, file + } + end + def check_schema_file(filename) unless File.exist?(filename) message = %{#{filename} doesn't exist yet. Run `rake db:migrate` to create it, then try again.} diff --git a/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb b/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb index 3d02ee07d0..ce1de4b76e 100644 --- a/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb +++ b/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb @@ -54,7 +54,7 @@ module ActiveRecord command = "pg_dump -i -s -x -O -f #{Shellwords.escape(filename)} #{search_path} #{Shellwords.escape(configuration['database'])}" raise 'Error dumping database' unless Kernel.system(command) - File.open(filename, "a") { |f| f << "SET search_path TO #{ActiveRecord::Base.connection.schema_search_path};\n\n" } + File.open(filename, "a") { |f| f << "SET search_path TO #{connection.schema_search_path};\n\n" } end def structure_load(filename) diff --git a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb index 5688931db2..9ab64d0325 100644 --- a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb +++ b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb @@ -21,7 +21,11 @@ module ActiveRecord FileUtils.rm(file) if File.exist?(file) end - alias :purge :drop + + def purge + drop + create + end def charset connection.encoding diff --git a/activerecord/lib/active_record/timestamp.rb b/activerecord/lib/active_record/timestamp.rb index e2e37e7c00..936a18d99a 100644 --- a/activerecord/lib/active_record/timestamp.rb +++ b/activerecord/lib/active_record/timestamp.rb @@ -1,4 +1,3 @@ - module ActiveRecord # = Active Record Timestamp # @@ -48,8 +47,9 @@ module ActiveRecord current_time = current_time_from_proper_timezone all_timestamp_attributes.each do |column| - if respond_to?(column) && respond_to?("#{column}=") && self.send(column).nil? - write_attribute(column.to_s, current_time) + column = column.to_s + if has_attribute?(column) && !attribute_present?(column) + write_attribute(column, current_time) end end end @@ -114,7 +114,7 @@ module ActiveRecord def clear_timestamp_attributes all_timestamp_attributes_in_model.each do |attribute_name| self[attribute_name] = nil - changed_attributes.delete(attribute_name) + clear_attribute_changes([attribute_name]) end end end diff --git a/activerecord/lib/active_record/type/decimal.rb b/activerecord/lib/active_record/type/decimal.rb index ba5d244729..d10778eeb6 100644 --- a/activerecord/lib/active_record/type/decimal.rb +++ b/activerecord/lib/active_record/type/decimal.rb @@ -14,12 +14,25 @@ module ActiveRecord private def cast_value(value) - if value.is_a?(::Numeric) || value.is_a?(::String) + case value + when ::Float + BigDecimal(value, float_precision) + when ::Numeric, ::String BigDecimal(value, precision.to_i) - elsif value.respond_to?(:to_d) - value.to_d else - cast_value(value.to_s) + if value.respond_to?(:to_d) + value.to_d + else + cast_value(value.to_s) + end + end + end + + def float_precision + if precision.to_i > ::Float::DIG + 1 + ::Float::DIG + 1 + else + precision.to_i end end end diff --git a/activerecord/lib/active_record/type/serialized.rb b/activerecord/lib/active_record/type/serialized.rb index 42bbed7103..abeea769c4 100644 --- a/activerecord/lib/active_record/type/serialized.rb +++ b/activerecord/lib/active_record/type/serialized.rb @@ -12,7 +12,7 @@ module ActiveRecord end def type_cast_from_database(value) - if is_default_value?(value) + if default_value?(value) value else coder.load(super) @@ -21,7 +21,7 @@ module ActiveRecord def type_cast_for_database(value) return if value.nil? - unless is_default_value?(value) + unless default_value?(value) super coder.dump(value) end end @@ -43,7 +43,7 @@ module ActiveRecord private - def is_default_value?(value) + def default_value?(value) value == coder.load(nil) end end diff --git a/activerecord/lib/active_record/type/value.rb b/activerecord/lib/active_record/type/value.rb index e0a783fb45..9456a4a56c 100644 --- a/activerecord/lib/active_record/type/value.rb +++ b/activerecord/lib/active_record/type/value.rb @@ -69,13 +69,20 @@ module ActiveRecord end # Determines whether the mutable value has been modified since it was - # read. Returns +false+ by default. This method should not need to be - # overriden directly. Types which return a mutable value should include + # read. Returns +false+ by default. This method should not be overridden + # directly. Types which return a mutable value should include # +Type::Mutable+, which will define this method. def changed_in_place?(*) false end + def ==(other) + self.class == other.class && + precision == other.precision && + scale == other.scale && + limit == other.limit + end + private def type_cast(value) diff --git a/activerecord/lib/active_record/validations.rb b/activerecord/lib/active_record/validations.rb index b4b33804de..7f7d49cdb4 100644 --- a/activerecord/lib/active_record/validations.rb +++ b/activerecord/lib/active_record/validations.rb @@ -29,21 +29,6 @@ module ActiveRecord extend ActiveSupport::Concern include ActiveModel::Validations - module ClassMethods - # Creates an object just like Base.create but calls <tt>save!</tt> instead of +save+ - # so an exception is raised if the record is invalid. - def create!(attributes = nil, &block) - if attributes.is_a?(Array) - attributes.collect { |attr| create!(attr, &block) } - else - object = new(attributes) - yield(object) if block_given? - object.save! - object - end - end - end - # The validation process on save can be skipped by passing <tt>validate: false</tt>. # The regular Base#save method is replaced with this when the validations # module is mixed in, which it is by default. diff --git a/activerecord/lib/active_record/validations/uniqueness.rb b/activerecord/lib/active_record/validations/uniqueness.rb index 2a34969a8c..2dba4c7b94 100644 --- a/activerecord/lib/active_record/validations/uniqueness.rb +++ b/activerecord/lib/active_record/validations/uniqueness.rb @@ -152,7 +152,7 @@ module ActiveRecord # or <tt>if: Proc.new { |user| user.signup_step > 2 }</tt>). The method, # proc or string should return or evaluate to a +true+ or +false+ value. # * <tt>:unless</tt> - Specifies a method, proc or string to call to - # determine if the validation should ot occur (e.g. <tt>unless: :skip_validation</tt>, + # determine if the validation should not occur (e.g. <tt>unless: :skip_validation</tt>, # or <tt>unless: Proc.new { |user| user.signup_step <= 2 }</tt>). The # method, proc or string should return or evaluate to a +true+ or +false+ # value. |