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-rwxr-xr-xactiverecord/lib/active_record/associations.rb151
-rw-r--r--activerecord/lib/active_record/associations/association_collection.rb57
-rw-r--r--activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb4
-rw-r--r--activerecord/lib/active_record/associations/has_many_association.rb4
-rw-r--r--activerecord/lib/active_record/associations/has_many_through_association.rb10
-rw-r--r--activerecord/lib/active_record/associations/has_one_association.rb13
-rw-r--r--activerecord/lib/active_record/autosave_association.rb240
-rwxr-xr-xactiverecord/lib/active_record/base.rb66
-rw-r--r--activerecord/lib/active_record/batches.rb47
-rw-r--r--activerecord/lib/active_record/calculations.rb26
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb16
-rw-r--r--activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb64
-rw-r--r--activerecord/lib/active_record/locking/optimistic.rb33
-rw-r--r--activerecord/lib/active_record/named_scope.rb30
-rw-r--r--activerecord/lib/active_record/reflection.rb2
-rw-r--r--activerecord/lib/active_record/serializers/xml_serializer.rb18
-rw-r--r--activerecord/lib/active_record/session_store.rb10
-rw-r--r--activerecord/lib/active_record/test_case.rb13
-rw-r--r--activerecord/lib/active_record/transactions.rb2
-rw-r--r--activerecord/lib/active_record/validations.rb17
-rw-r--r--activerecord/lib/active_record/version.rb2
22 files changed, 504 insertions, 323 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index e2dc883b1b..6d25b36aea 100755
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -22,7 +22,7 @@ module ActiveRecord
through_reflection = reflection.through_reflection
source_reflection_names = reflection.source_reflection_names
source_associations = reflection.through_reflection.klass.reflect_on_all_associations.collect { |a| a.name.inspect }
- super("Could not find the source association(s) #{source_reflection_names.collect(&:inspect).to_sentence :two_words_connector => ' or ', :last_word_connector => ', or '} in model #{through_reflection.klass}. Try 'has_many #{reflection.name.inspect}, :through => #{through_reflection.name.inspect}, :source => <name>'. Is it one of #{source_associations.to_sentence :two_words_connector => ' or ', :last_word_connector => ', or '}?")
+ super("Could not find the source association(s) #{source_reflection_names.collect(&:inspect).to_sentence(:two_words_connector => ' or ', :last_word_connector => ', or ', :locale => :en)} in model #{through_reflection.klass}. Try 'has_many #{reflection.name.inspect}, :through => #{through_reflection.name.inspect}, :source => <name>'. Is it one of #{source_associations.to_sentence(:two_words_connector => ' or ', :last_word_connector => ', or ', :locale => :en)}?")
end
end
@@ -51,6 +51,12 @@ module ActiveRecord
end
end
+ class HasAndBelongsToManyAssociationForeignKeyNeeded < ActiveRecordError #:nodoc:
+ def initialize(reflection)
+ super("Cannot create self referential has_and_belongs_to_many association on '#{reflection.class_name rescue nil}##{reflection.name rescue nil}'. :association_foreign_key cannot be the same as the :foreign_key.")
+ end
+ end
+
class EagerLoadPolymorphicError < ActiveRecordError #:nodoc:
def initialize(reflection)
super("Can not eagerly load the polymorphic association #{reflection.name.inspect}")
@@ -65,7 +71,7 @@ module ActiveRecord
# See ActiveRecord::Associations::ClassMethods for documentation.
module Associations # :nodoc:
- # These classes will be loaded when associatoins are created.
+ # These classes will be loaded when associations are created.
# So there is no need to eager load them.
autoload :AssociationCollection, 'active_record/associations/association_collection'
autoload :AssociationProxy, 'active_record/associations/association_proxy'
@@ -786,11 +792,7 @@ module ActiveRecord
# 'ORDER BY p.first_name'
def has_many(association_id, options = {}, &extension)
reflection = create_has_many_reflection(association_id, options, &extension)
-
configure_dependency_for_has_many(reflection)
-
- add_multiple_associated_validation_callbacks(reflection.name) unless options[:validate] == false
- add_multiple_associated_save_callbacks(reflection.name)
add_association_callbacks(reflection.name, reflection.options)
if options[:through]
@@ -872,10 +874,10 @@ module ActiveRecord
# [:source]
# Specifies the source association name used by <tt>has_one :through</tt> queries. Only use it if the name cannot be
# inferred from the association. <tt>has_one :favorite, :through => :favorites</tt> will look for a
- # <tt>:favorite</tt> on Favorite, unless a <tt>:source</tt> is given.
+ # <tt>:favorite</tt> on Favorite, unless a <tt>:source</tt> is given.
# [:source_type]
# Specifies type of the source association used by <tt>has_one :through</tt> queries where the source
- # association is a polymorphic +belongs_to+.
+ # association is a polymorphic +belongs_to+.
# [:readonly]
# If true, the associated object is readonly through the association.
# [:validate]
@@ -898,22 +900,9 @@ module ActiveRecord
association_accessor_methods(reflection, ActiveRecord::Associations::HasOneThroughAssociation)
else
reflection = create_has_one_reflection(association_id, options)
-
- method_name = "has_one_after_save_for_#{reflection.name}".to_sym
- define_method(method_name) do
- association = association_instance_get(reflection.name)
- if association && (new_record? || association.new_record? || association[reflection.primary_key_name] != id)
- association[reflection.primary_key_name] = id
- association.save(true)
- end
- end
- after_save method_name
-
- add_single_associated_validation_callbacks(reflection.name) if options[:validate] == true
association_accessor_methods(reflection, HasOneAssociation)
association_constructor_method(:build, reflection, HasOneAssociation)
association_constructor_method(:create, reflection, HasOneAssociation)
-
configure_dependency_for_has_one(reflection)
end
end
@@ -1006,47 +995,15 @@ module ActiveRecord
if reflection.options[:polymorphic]
association_accessor_methods(reflection, BelongsToPolymorphicAssociation)
-
- method_name = "polymorphic_belongs_to_before_save_for_#{reflection.name}".to_sym
- define_method(method_name) do
- association = association_instance_get(reflection.name)
- if association && association.target
- if association.new_record?
- association.save(true)
- end
-
- if association.updated?
- self[reflection.primary_key_name] = association.id
- self[reflection.options[:foreign_type]] = association.class.base_class.name.to_s
- end
- end
- end
- before_save method_name
else
association_accessor_methods(reflection, BelongsToAssociation)
association_constructor_method(:build, reflection, BelongsToAssociation)
association_constructor_method(:create, reflection, BelongsToAssociation)
-
- method_name = "belongs_to_before_save_for_#{reflection.name}".to_sym
- define_method(method_name) do
- if association = association_instance_get(reflection.name)
- if association.new_record?
- association.save(true)
- end
-
- if association.updated?
- self[reflection.primary_key_name] = association.id
- end
- end
- end
- before_save method_name
end
# Create the callbacks to update counter cache
if options[:counter_cache]
- cache_column = options[:counter_cache] == true ?
- "#{self.to_s.demodulize.underscore.pluralize}_count" :
- options[:counter_cache]
+ cache_column = reflection.counter_cache_column
method_name = "belongs_to_counter_cache_after_create_for_#{reflection.name}".to_sym
define_method(method_name) do
@@ -1067,8 +1024,6 @@ module ActiveRecord
)
end
- add_single_associated_validation_callbacks(reflection.name) if options[:validate] == true
-
configure_dependency_for_belongs_to(reflection)
end
@@ -1234,9 +1189,6 @@ module ActiveRecord
# 'DELETE FROM developers_projects WHERE active=1 AND developer_id = #{id} AND project_id = #{record.id}'
def has_and_belongs_to_many(association_id, options = {}, &extension)
reflection = create_has_and_belongs_to_many_reflection(association_id, options, &extension)
-
- add_multiple_associated_validation_callbacks(reflection.name) unless options[:validate] == false
- add_multiple_associated_save_callbacks(reflection.name)
collection_accessor_methods(reflection, HasAndBelongsToManyAssociation)
# Don't use a before_destroy callback since users' before_destroy
@@ -1358,70 +1310,6 @@ module ActiveRecord
end
end
- def add_single_associated_validation_callbacks(association_name)
- method_name = "validate_associated_records_for_#{association_name}".to_sym
- define_method(method_name) do
- if association = association_instance_get(association_name)
- errors.add association_name unless association.target.nil? || association.valid?
- end
- end
-
- validate method_name
- end
-
- def add_multiple_associated_validation_callbacks(association_name)
- method_name = "validate_associated_records_for_#{association_name}".to_sym
- define_method(method_name) do
- association = association_instance_get(association_name)
-
- if association
- if new_record?
- association
- elsif association.loaded?
- association.select { |record| record.new_record? }
- else
- association.target.select { |record| record.new_record? }
- end.each do |record|
- errors.add association_name unless record.valid?
- end
- end
- end
-
- validate method_name
- end
-
- def add_multiple_associated_save_callbacks(association_name)
- method_name = "before_save_associated_records_for_#{association_name}".to_sym
- define_method(method_name) do
- @new_record_before_save = new_record?
- true
- end
- before_save method_name
-
- method_name = "after_create_or_update_associated_records_for_#{association_name}".to_sym
- define_method(method_name) do
- association = association_instance_get(association_name)
-
- records_to_save = if @new_record_before_save
- association
- elsif association && association.loaded?
- association.select { |record| record.new_record? }
- elsif association && !association.loaded?
- association.target.select { |record| record.new_record? }
- else
- []
- end
- records_to_save.each { |record| association.send(:insert_record, record) } unless records_to_save.blank?
-
- # reconstruct the SQL queries now that we know the owner's id
- association.send(:construct_sql) if association.respond_to?(:construct_sql)
- end
-
- # Doesn't use after_save as that would save associations added in after_create/after_update twice
- after_create method_name
- after_update method_name
- end
-
def association_constructor_method(constructor, reflection, association_proxy_class)
define_method("#{constructor}_#{reflection.name}") do |*params|
attributees = params.first unless params.empty?
@@ -1642,6 +1530,10 @@ module ActiveRecord
options[:extend] = create_extension_modules(association_id, extension, options[:extend])
reflection = create_reflection(:has_and_belongs_to_many, association_id, options, self)
+
+ if reflection.association_foreign_key == reflection.primary_key_name
+ raise HasAndBelongsToManyAssociationForeignKeyNeeded.new(reflection)
+ end
reflection.options[:join_table] ||= join_table_name(undecorated_table_name(self.to_s), undecorated_table_name(reflection.class_name))
@@ -1964,9 +1856,10 @@ module ActiveRecord
def construct(parent, associations, joins, row)
case associations
when Symbol, String
- while (join = joins.shift).reflection.name.to_s != associations.to_s
- raise ConfigurationError, "Not Enough Associations" if joins.empty?
- end
+ join = joins.detect{|j| j.reflection.name.to_s == associations.to_s && j.parent_table_name == parent.class.table_name }
+ raise(ConfigurationError, "No such association") if join.nil?
+
+ joins.delete(join)
construct_association(parent, join, row)
when Array
associations.each do |association|
@@ -1974,7 +1867,11 @@ module ActiveRecord
end
when Hash
associations.keys.sort{|a,b|a.to_s<=>b.to_s}.each do |name|
- association = construct_association(parent, joins.shift, row)
+ join = joins.detect{|j| j.reflection.name.to_s == name.to_s && j.parent_table_name == parent.class.table_name }
+ raise(ConfigurationError, "No such association") if join.nil?
+
+ association = construct_association(parent, join, row)
+ joins.delete(join)
construct(association, associations[name], joins, row) if association
end
else
diff --git a/activerecord/lib/active_record/associations/association_collection.rb b/activerecord/lib/active_record/associations/association_collection.rb
index 0fefec1216..3aef1b21e9 100644
--- a/activerecord/lib/active_record/associations/association_collection.rb
+++ b/activerecord/lib/active_record/associations/association_collection.rb
@@ -60,7 +60,7 @@ module ActiveRecord
@reflection.klass.find(*args)
end
end
-
+
# Fetches the first one using SQL if possible.
def first(*args)
if fetch_first_or_last_using_find?(args)
@@ -143,6 +143,8 @@ module ActiveRecord
end
# Remove all records from this association
+ #
+ # See delete for more info.
def delete_all
load_target
delete(@target)
@@ -186,7 +188,6 @@ module ActiveRecord
end
end
-
# Removes +records+ from this association calling +before_remove+ and
# +after_remove+ callbacks.
#
@@ -195,22 +196,25 @@ module ActiveRecord
# are actually removed from the database, that depends precisely on
# +delete_records+. They are in any case removed from the collection.
def delete(*records)
- records = flatten_deeper(records)
- records.each { |record| raise_on_type_mismatch(record) }
-
- transaction do
- records.each { |record| callback(:before_remove, record) }
-
- old_records = records.reject {|r| r.new_record? }
+ remove_records(records) do |records, old_records|
delete_records(old_records) if old_records.any?
-
- records.each do |record|
- @target.delete(record)
- callback(:after_remove, record)
- end
+ records.each { |record| @target.delete(record) }
end
end
+ # Destroy +records+ and remove them from this association calling
+ # +before_remove+ and +after_remove+ callbacks.
+ #
+ # Note that this method will _always_ remove records from the database
+ # ignoring the +:dependent+ option.
+ def destroy(*records)
+ remove_records(records) do |records, old_records|
+ old_records.each { |record| record.destroy }
+ end
+
+ load_target
+ end
+
# Removes all records from this association. Returns +self+ so method calls may be chained.
def clear
return self if length.zero? # forces load_target if it hasn't happened already
@@ -223,15 +227,16 @@ module ActiveRecord
self
end
-
- def destroy_all
- transaction do
- each { |record| record.destroy }
- end
+ # Destory all the records from this association.
+ #
+ # See destroy for more info.
+ def destroy_all
+ load_target
+ destroy(@target)
reset_target!
end
-
+
def create(attrs = {})
if attrs.is_a?(Array)
attrs.collect { |attr| create(attr) }
@@ -431,6 +436,18 @@ module ActiveRecord
record
end
+ def remove_records(*records)
+ records = flatten_deeper(records)
+ records.each { |record| raise_on_type_mismatch(record) }
+
+ transaction do
+ records.each { |record| callback(:before_remove, record) }
+ old_records = records.reject { |r| r.new_record? }
+ yield(records, old_records)
+ records.each { |record| callback(:after_remove, record) }
+ end
+ end
+
def callback(method, record)
callbacks_for(method).each do |callback|
ActiveSupport::Callbacks::Callback.new(method, callback, record).call(@owner, record)
diff --git a/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb b/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb
index a5cc3bf091..af9ce3dfb2 100644
--- a/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb
+++ b/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb
@@ -28,12 +28,12 @@ module ActiveRecord
load_target.size
end
- def insert_record(record, force=true)
+ def insert_record(record, force = true, validate = true)
if record.new_record?
if force
record.save!
else
- return false unless record.save
+ return false unless record.save(validate)
end
end
diff --git a/activerecord/lib/active_record/associations/has_many_association.rb b/activerecord/lib/active_record/associations/has_many_association.rb
index 3348079e9d..a2cbabfe0c 100644
--- a/activerecord/lib/active_record/associations/has_many_association.rb
+++ b/activerecord/lib/active_record/associations/has_many_association.rb
@@ -56,9 +56,9 @@ module ActiveRecord
"#{@reflection.name}_count"
end
- def insert_record(record)
+ def insert_record(record, force = false, validate = true)
set_belongs_to_association_for(record)
- record.save
+ force ? record.save! : record.save(validate)
end
# Deletes the records according to the <tt>:dependent</tt> option.
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 2eeeb28d1f..1c091e7d5a 100644
--- a/activerecord/lib/active_record/associations/has_many_through_association.rb
+++ b/activerecord/lib/active_record/associations/has_many_through_association.rb
@@ -23,8 +23,8 @@ module ActiveRecord
end
# Returns the size of the collection by executing a SELECT COUNT(*) query if the collection hasn't been loaded and
- # calling collection.size if it has. If it's more likely than not that the collection does have a size larger than zero
- # and you need to fetch that collection afterwards, it'll take one less SELECT query if you use length.
+ # calling collection.size if it has. If it's more likely than not that the collection does have a size larger than zero,
+ # and you need to fetch that collection afterwards, it'll take one fewer SELECT query if you use #length.
def size
return @owner.send(:read_attribute, cached_counter_attribute_name) if has_cached_counter?
return @target.size if loaded?
@@ -47,12 +47,12 @@ module ActiveRecord
options[:include] = @reflection.source_reflection.options[:include] if options[:include].nil?
end
- def insert_record(record, force=true)
+ def insert_record(record, force = true, validate = true)
if record.new_record?
if force
record.save!
else
- return false unless record.save
+ return false unless record.save(validate)
end
end
through_reflection = @reflection.through_reflection
@@ -150,7 +150,7 @@ module ActiveRecord
end
else
reflection_primary_key = @reflection.source_reflection.primary_key_name
- source_primary_key = @reflection.klass.primary_key
+ source_primary_key = @reflection.through_reflection.klass.primary_key
if @reflection.source_reflection.options[:as]
polymorphic_join = "AND %s.%s = %s" % [
@reflection.quoted_table_name, "#{@reflection.source_reflection.options[:as]}_type",
diff --git a/activerecord/lib/active_record/associations/has_one_association.rb b/activerecord/lib/active_record/associations/has_one_association.rb
index 960323004d..b92cbbdeab 100644
--- a/activerecord/lib/active_record/associations/has_one_association.rb
+++ b/activerecord/lib/active_record/associations/has_one_association.rb
@@ -29,8 +29,17 @@ module ActiveRecord
unless @target.nil? || @target == obj
if dependent? && !dont_save
- @target.destroy unless @target.new_record?
- @owner.clear_association_cache
+ case @reflection.options[:dependent]
+ when :delete
+ @target.delete unless @target.new_record?
+ @owner.clear_association_cache
+ when :destroy
+ @target.destroy unless @target.new_record?
+ @owner.clear_association_cache
+ when :nullify
+ @target[@reflection.primary_key_name] = nil
+ @target.save unless @owner.new_record? || @target.new_record?
+ end
else
@target[@reflection.primary_key_name] = nil
@target.save unless @owner.new_record? || @target.new_record?
diff --git a/activerecord/lib/active_record/autosave_association.rb b/activerecord/lib/active_record/autosave_association.rb
index 680b41518c..741aa2acbe 100644
--- a/activerecord/lib/active_record/autosave_association.rb
+++ b/activerecord/lib/active_record/autosave_association.rb
@@ -125,79 +125,63 @@ module ActiveRecord
# post.author.name = ''
# post.save(false) # => true
module AutosaveAssociation
+ ASSOCIATION_TYPES = %w{ has_one belongs_to has_many has_and_belongs_to_many }
+
def self.included(base)
base.class_eval do
+ base.extend(ClassMethods)
alias_method_chain :reload, :autosave_associations
- alias_method_chain :save, :autosave_associations
- alias_method_chain :save!, :autosave_associations
- alias_method_chain :valid?, :autosave_associations
- %w{ has_one belongs_to has_many has_and_belongs_to_many }.each do |type|
+ ASSOCIATION_TYPES.each do |type|
base.send("valid_keys_for_#{type}_association") << :autosave
end
end
end
- # Saves the parent, <tt>self</tt>, and any loaded autosave associations.
- # In addition, it destroys all children that were marked for destruction
- # with mark_for_destruction.
- #
- # This all happens inside a transaction, _if_ the Transactions module is included into
- # ActiveRecord::Base after the AutosaveAssociation module, which it does by default.
- def save_with_autosave_associations(perform_validation = true)
- returning(save_without_autosave_associations(perform_validation)) do |valid|
- if valid
- self.class.reflect_on_all_autosave_associations.each do |reflection|
- if (association = association_instance_get(reflection.name)) && association.loaded?
- if association.is_a?(Array)
- association.proxy_target.each do |child|
- child.marked_for_destruction? ? child.destroy : child.save(perform_validation)
- end
- else
- association.marked_for_destruction? ? association.destroy : association.save(perform_validation)
- end
- end
+ module ClassMethods
+ private
+
+ # def belongs_to(name, options = {})
+ # super
+ # add_autosave_association_callbacks(reflect_on_association(name))
+ # end
+ ASSOCIATION_TYPES.each do |type|
+ module_eval %{
+ def #{type}(name, options = {})
+ super
+ add_autosave_association_callbacks(reflect_on_association(name))
end
- end
+ }
end
- end
- # Attempts to save the record just like save_with_autosave_associations but
- # will raise a RecordInvalid exception instead of returning false if the
- # record is not valid.
- def save_with_autosave_associations!
- if valid_with_autosave_associations?
- save_with_autosave_associations(false) || raise(RecordNotSaved)
- else
- raise RecordInvalid.new(self)
- end
- end
+ # Adds a validate and save callback for the association as specified by
+ # the +reflection+.
+ def add_autosave_association_callbacks(reflection)
+ save_method = "autosave_associated_records_for_#{reflection.name}"
+ validation_method = "validate_associated_records_for_#{reflection.name}"
+ validate validation_method
- # Returns whether or not the parent, <tt>self</tt>, and any loaded autosave associations are valid.
- def valid_with_autosave_associations?
- if valid_without_autosave_associations?
- self.class.reflect_on_all_autosave_associations.all? do |reflection|
- if (association = association_instance_get(reflection.name)) && association.loaded?
- if association.is_a?(Array)
- association.proxy_target.all? { |child| autosave_association_valid?(reflection, child) }
- else
- autosave_association_valid?(reflection, association)
- end
- else
- true # association not loaded yet, so it should be valid
+ case reflection.macro
+ when :has_many, :has_and_belongs_to_many
+ before_save :before_save_collection_association
+
+ define_method(save_method) { save_collection_association(reflection) }
+ # Doesn't use after_save as that would save associations added in after_create/after_update twice
+ after_create save_method
+ after_update save_method
+
+ define_method(validation_method) { validate_collection_association(reflection) }
+ else
+ case reflection.macro
+ when :has_one
+ define_method(save_method) { save_has_one_association(reflection) }
+ after_save save_method
+ when :belongs_to
+ define_method(save_method) { save_belongs_to_association(reflection) }
+ before_save save_method
end
+ define_method(validation_method) { validate_single_association(reflection) }
end
- else
- false # self was not valid
- end
- end
-
- # Returns whether or not the association is valid and applies any errors to the parent, <tt>self</tt>, if it wasn't.
- def autosave_association_valid?(reflection, association)
- returning(association.valid?) do |valid|
- association.errors.each do |attribute, message|
- errors.add "#{reflection.name}_#{attribute}", message
- end unless valid
end
end
@@ -221,5 +205,145 @@ module ActiveRecord
def marked_for_destruction?
@marked_for_destruction
end
+
+ private
+
+ # Returns the record for an association collection that should be validated
+ # or saved. If +autosave+ is +false+ only new records will be returned,
+ # unless the parent is/was a new record itself.
+ def associated_records_to_validate_or_save(association, new_record, autosave)
+ if new_record
+ association
+ elsif association.loaded?
+ autosave ? association : association.select { |record| record.new_record? }
+ else
+ autosave ? association.target : association.target.select { |record| record.new_record? }
+ end
+ end
+
+ # Validate the association if <tt>:validate</tt> or <tt>:autosave</tt> is
+ # turned on for the association specified by +reflection+.
+ def validate_single_association(reflection)
+ if reflection.options[:validate] == true || reflection.options[:autosave] == true
+ if (association = association_instance_get(reflection.name)) && !association.target.nil?
+ association_valid?(reflection, association)
+ end
+ end
+ end
+
+ # Validate the associated records if <tt>:validate</tt> or
+ # <tt>:autosave</tt> is turned on for the association specified by
+ # +reflection+.
+ def validate_collection_association(reflection)
+ if reflection.options[:validate] != false && association = association_instance_get(reflection.name)
+ if records = associated_records_to_validate_or_save(association, new_record?, reflection.options[:autosave])
+ records.each { |record| association_valid?(reflection, record) }
+ end
+ end
+ end
+
+ # Returns whether or not the association is valid and applies any errors to
+ # the parent, <tt>self</tt>, if it wasn't. Skips any <tt>:autosave</tt>
+ # enabled records if they're marked_for_destruction?.
+ def association_valid?(reflection, association)
+ unless valid = association.valid?
+ if reflection.options[:autosave]
+ unless association.marked_for_destruction?
+ association.errors.each do |attribute, message|
+ attribute = "#{reflection.name}_#{attribute}"
+ errors.add(attribute, message) unless errors.on(attribute)
+ end
+ end
+ else
+ errors.add(reflection.name)
+ end
+ end
+ valid
+ end
+
+ # Is used as a before_save callback to check while saving a collection
+ # association whether or not the parent was a new record before saving.
+ def before_save_collection_association
+ @new_record_before_save = new_record?
+ true
+ end
+
+ # Saves any new associated records, or all loaded autosave associations if
+ # <tt>:autosave</tt> is enabled on the association.
+ #
+ # In addition, it destroys all children that were marked for destruction
+ # with mark_for_destruction.
+ #
+ # This all happens inside a transaction, _if_ the Transactions module is included into
+ # ActiveRecord::Base after the AutosaveAssociation module, which it does by default.
+ def save_collection_association(reflection)
+ if association = association_instance_get(reflection.name)
+ autosave = reflection.options[:autosave]
+
+ if records = associated_records_to_validate_or_save(association, @new_record_before_save, autosave)
+ records.each do |record|
+ if autosave && record.marked_for_destruction?
+ association.destroy(record)
+ elsif @new_record_before_save || record.new_record?
+ if autosave
+ association.send(:insert_record, record, false, false)
+ else
+ association.send(:insert_record, record)
+ end
+ elsif autosave
+ record.save(false)
+ end
+ end
+ end
+
+ # reconstruct the SQL queries now that we know the owner's id
+ association.send(:construct_sql) if association.respond_to?(:construct_sql)
+ end
+ end
+
+ # Saves the associated record if it's new or <tt>:autosave</tt> is enabled
+ # on the association.
+ #
+ # In addition, it will destroy the association if it was marked for
+ # destruction with mark_for_destruction.
+ #
+ # This all happens inside a transaction, _if_ the Transactions module is included into
+ # ActiveRecord::Base after the AutosaveAssociation module, which it does by default.
+ def save_has_one_association(reflection)
+ if (association = association_instance_get(reflection.name)) && !association.target.nil?
+ if reflection.options[:autosave] && association.marked_for_destruction?
+ association.destroy
+ elsif new_record? || association.new_record? || association[reflection.primary_key_name] != id || reflection.options[:autosave]
+ association[reflection.primary_key_name] = id
+ association.save(false)
+ end
+ end
+ end
+
+ # Saves the associated record if it's new or <tt>:autosave</tt> is enabled
+ # on the association.
+ #
+ # In addition, it will destroy the association if it was marked for
+ # destruction with mark_for_destruction.
+ #
+ # This all happens inside a transaction, _if_ the Transactions module is included into
+ # ActiveRecord::Base after the AutosaveAssociation module, which it does by default.
+ def save_belongs_to_association(reflection)
+ if association = association_instance_get(reflection.name)
+ if reflection.options[:autosave] && association.marked_for_destruction?
+ association.destroy
+ else
+ association.save(false) if association.new_record? || reflection.options[:autosave]
+
+ if association.updated?
+ self[reflection.primary_key_name] = association.id
+ # TODO: Removing this code doesn't seem to matter…
+ if reflection.options[:polymorphic]
+ self[reflection.options[:foreign_type]] = association.class.base_class.name.to_s
+ end
+ end
+ end
+ end
+ end
end
end \ No newline at end of file
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index 55ab1facf2..9943a7014a 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -416,7 +416,7 @@ module ActiveRecord #:nodoc:
end
@@subclasses = {}
-
+
##
# :singleton-method:
# Contains the database configuration - as is typically stored in config/database.yml -
@@ -661,7 +661,6 @@ module ActiveRecord #:nodoc:
connection.select_all(sanitize_sql(sql), "#{name} Load").collect! { |record| instantiate(record) }
end
-
# Returns true if a record exists in the table that matches the +id+ or
# conditions given, or false otherwise. The argument can take five forms:
#
@@ -737,12 +736,12 @@ module ActiveRecord #:nodoc:
# ==== Parameters
#
# * +id+ - This should be the id or an array of ids to be updated.
- # * +attributes+ - This should be a Hash of attributes to be set on the object, or an array of Hashes.
+ # * +attributes+ - This should be a hash of attributes to be set on the object, or an array of hashes.
#
# ==== Examples
#
# # Updating one record:
- # Person.update(15, { :user_name => 'Samuel', :group => 'expert' })
+ # Person.update(15, :user_name => 'Samuel', :group => 'expert')
#
# # Updating multiple records:
# people = { 1 => { "first_name" => "David" }, 2 => { "first_name" => "Jeremy" } }
@@ -811,25 +810,28 @@ module ActiveRecord #:nodoc:
# Updates all records with details given if they match a set of conditions supplied, limits and order can
# also be supplied. This method constructs a single SQL UPDATE statement and sends it straight to the
- # database. It does not instantiate the involved models and it does not trigger Active Record callbacks.
+ # database. It does not instantiate the involved models and it does not trigger Active Record callbacks
+ # or validations.
#
# ==== Parameters
#
- # * +updates+ - A string of column and value pairs that will be set on any records that match conditions. This creates the SET clause of the generated SQL.
- # * +conditions+ - An SQL fragment like "administrator = 1" or [ "user_name = ?", username ]. See conditions in the intro for more info.
+ # * +updates+ - A string, array, or hash representing the SET part of an SQL statement.
+ # * +conditions+ - A string, array, or hash representing the WHERE part of an SQL statement. See conditions in the intro.
# * +options+ - Additional options are <tt>:limit</tt> and <tt>:order</tt>, see the examples for usage.
#
# ==== Examples
#
- # # Update all billing objects with the 3 different attributes given
- # Billing.update_all( "category = 'authorized', approved = 1, author = 'David'" )
+ # # Update all customers with the given attributes
+ # Customer.update_all :wants_email => true
+ #
+ # # Update all books with 'Rails' in their title
+ # Book.update_all "author = 'David'", "title LIKE '%Rails%'"
#
- # # Update records that match our conditions
- # Billing.update_all( "author = 'David'", "title LIKE '%Rails%'" )
+ # # Update all avatars migrated more than a week ago
+ # Avatar.update_all ['migrated_at = ?, Time.now.utc], ['migrated_at > ?', 1.week.ago]
#
- # # Update records that match our conditions but limit it to 5 ordered by date
- # Billing.update_all( "author = 'David'", "title LIKE '%Rails%'",
- # :order => 'created_at', :limit => 5 )
+ # # Update all books that match our conditions, but limit it to 5 ordered by date
+ # Book.update_all "author = 'David'", "title LIKE '%Rails%'", :order => 'created_at', :limit => 5
def update_all(updates, conditions = nil, options = {})
sql = "UPDATE #{quoted_table_name} SET #{sanitize_sql_for_assignment(updates)} "
@@ -1003,7 +1005,6 @@ module ActiveRecord #:nodoc:
update_counters(id, counter_name => -1)
end
-
# Attributes named in this macro are protected from mass-assignment,
# such as <tt>new(attributes)</tt>,
# <tt>update_attributes(attributes)</tt>, or
@@ -1104,7 +1105,6 @@ module ActiveRecord #:nodoc:
read_inheritable_attribute(:attr_serialized) or write_inheritable_attribute(:attr_serialized, {})
end
-
# Guesses the table name (in forced lower-case) based on the name of the class in the inheritance hierarchy descending
# directly from ActiveRecord::Base. So if the hierarchy looks like: Reply < Message < ActiveRecord::Base, then Message is used
# to guess the table name even when called on Reply. The rules used to do the guess are handled by the Inflector class
@@ -1347,7 +1347,7 @@ module ActiveRecord #:nodoc:
subclasses.each { |klass| klass.reset_inheritable_attributes; klass.reset_column_information }
end
- def self_and_descendents_from_active_record#nodoc:
+ def self_and_descendants_from_active_record#nodoc:
klass = self
classes = [klass]
while klass != klass.base_class
@@ -1367,7 +1367,7 @@ module ActiveRecord #:nodoc:
# module now.
# Specify +options+ with additional translating options.
def human_attribute_name(attribute_key_name, options = {})
- defaults = self_and_descendents_from_active_record.map do |klass|
+ defaults = self_and_descendants_from_active_record.map do |klass|
:"#{klass.name.underscore}.#{attribute_key_name}"
end
defaults << options[:default] if options[:default]
@@ -1382,7 +1382,7 @@ module ActiveRecord #:nodoc:
# Default scope of the translation is activerecord.models
# Specify +options+ with additional translating options.
def human_name(options = {})
- defaults = self_and_descendents_from_active_record.map do |klass|
+ defaults = self_and_descendants_from_active_record.map do |klass|
:"#{klass.name.underscore}"
end
defaults << self.name.humanize
@@ -1417,7 +1417,6 @@ module ActiveRecord #:nodoc:
end
end
-
def quote_value(value, column = nil) #:nodoc:
connection.quote(value,column)
end
@@ -1486,7 +1485,7 @@ module ActiveRecord #:nodoc:
elsif match = DynamicScopeMatch.match(method_id)
return true if all_attributes_exists?(match.attribute_names)
end
-
+
super
end
@@ -1537,7 +1536,7 @@ module ActiveRecord #:nodoc:
end
def reverse_sql_order(order_query)
- reversed_query = order_query.split(/,/).each { |s|
+ reversed_query = order_query.to_s.split(/,/).each { |s|
if s.match(/\s(asc|ASC)$/)
s.gsub!(/\s(asc|ASC)$/, ' DESC')
elsif s.match(/\s(desc|DESC)$/)
@@ -1690,7 +1689,7 @@ module ActiveRecord #:nodoc:
def construct_finder_sql(options)
scope = scope(:find)
sql = "SELECT #{options[:select] || (scope && scope[:select]) || default_select(options[:joins] || (scope && scope[:joins]))} "
- sql << "FROM #{(scope && scope[:from]) || options[:from] || quoted_table_name} "
+ sql << "FROM #{options[:from] || (scope && scope[:from]) || quoted_table_name} "
add_joins!(sql, options[:joins], scope)
add_conditions!(sql, options[:conditions], scope)
@@ -1745,7 +1744,9 @@ module ActiveRecord #:nodoc:
scoped_order = scope[:order] if scope
if order
sql << " ORDER BY #{order}"
- sql << ", #{scoped_order}" if scoped_order
+ if scoped_order && scoped_order != order
+ sql << ", #{scoped_order}"
+ end
else
sql << " ORDER BY #{scoped_order}" if scoped_order
end
@@ -1754,12 +1755,12 @@ module ActiveRecord #:nodoc:
def add_group!(sql, group, having, scope = :auto)
if group
sql << " GROUP BY #{group}"
- sql << " HAVING #{having}" if having
+ sql << " HAVING #{sanitize_sql_for_conditions(having)}" if having
else
scope = scope(:find) if :auto == scope
if scope && (scoped_group = scope[:group])
sql << " GROUP BY #{scoped_group}"
- sql << " HAVING #{scoped_having}" if (scoped_having = scope[:having])
+ sql << " HAVING #{sanitize_sql_for_conditions(scope[:having])}" if scope[:having]
end
end
end
@@ -2014,7 +2015,6 @@ module ActiveRecord #:nodoc:
end
end
-
# Defines an "attribute" method (like +inheritance_column+ or
# +table_name+). A new (class) method will be created with the
# given name. If a value is specified, the new method will
@@ -2111,7 +2111,7 @@ module ActiveRecord #:nodoc:
end
# Merge scopings
- if action == :merge && current_scoped_methods
+ if [:merge, :reverse_merge].include?(action) && current_scoped_methods
method_scoping = current_scoped_methods.inject(method_scoping) do |hash, (method, params)|
case hash[method]
when Hash
@@ -2133,7 +2133,11 @@ module ActiveRecord #:nodoc:
end
end
else
- hash[method] = hash[method].merge(params)
+ if action == :reverse_merge
+ hash[method] = hash[method].merge(params)
+ else
+ hash[method] = params.merge(hash[method])
+ end
end
else
hash[method] = params
@@ -2143,7 +2147,6 @@ module ActiveRecord #:nodoc:
end
self.scoped_methods << method_scoping
-
begin
yield
ensure
@@ -2174,7 +2177,7 @@ module ActiveRecord #:nodoc:
# Test whether the given method and optional key are scoped.
def scoped?(method, key = nil) #:nodoc:
if current_scoped_methods && (scope = current_scoped_methods[method])
- !key || scope.has_key?(key)
+ !key || !scope[key].nil?
end
end
@@ -2749,7 +2752,6 @@ module ActiveRecord #:nodoc:
assign_multiparameter_attributes(multi_parameter_attributes)
end
-
# Returns a hash of all the attributes with their names as keys and the values of the attributes as values.
def attributes
self.attribute_names.inject({}) do |attrs, name|
diff --git a/activerecord/lib/active_record/batches.rb b/activerecord/lib/active_record/batches.rb
index 9e9c8fbbf4..5a6cecd4ad 100644
--- a/activerecord/lib/active_record/batches.rb
+++ b/activerecord/lib/active_record/batches.rb
@@ -4,21 +4,24 @@ module ActiveRecord
base.extend(ClassMethods)
end
- # When processing large numbers of records, it's often a good idea to do so in batches to prevent memory ballooning.
+ # When processing large numbers of records, it's often a good idea to do
+ # so in batches to prevent memory ballooning.
module ClassMethods
- # Yields each record that was found by the find +options+. The find is performed by find_in_batches
- # with a batch size of 1000 (or as specified by the +batch_size+ option).
+ # Yields each record that was found by the find +options+. The find is
+ # performed by find_in_batches with a batch size of 1000 (or as
+ # specified by the <tt>:batch_size</tt> option).
#
# Example:
#
- # Person.each(:conditions => "age > 21") do |person|
+ # Person.find_each(:conditions => "age > 21") do |person|
# person.party_all_night!
# end
#
- # Note: This method is only intended to use for batch processing of large amounts of records that wouldn't fit in
- # memory all at once. If you just need to loop over less than 1000 records, it's probably better just to use the
- # regular find methods.
- def each(options = {})
+ # Note: This method is only intended to use for batch processing of
+ # large amounts of records that wouldn't fit in memory all at once. If
+ # you just need to loop over less than 1000 records, it's probably
+ # better just to use the regular find methods.
+ def find_each(options = {})
find_in_batches(options) do |records|
records.each { |record| yield record }
end
@@ -26,17 +29,22 @@ module ActiveRecord
self
end
- # Yields each batch of records that was found by the find +options+ as an array. The size of each batch is
- # set by the +batch_size+ option; the default is 1000.
+ # Yields each batch of records that was found by the find +options+ as
+ # an array. The size of each batch is set by the <tt>:batch_size</tt>
+ # option; the default is 1000.
#
- # You can control the starting point for the batch processing by supplying the +start+ option. This is especially
- # useful if you want multiple workers dealing with the same processing queue. You can make worker 1 handle all the
- # records between id 0 and 10,000 and worker 2 handle from 10,000 and beyond (by setting the +start+ option on that
- # worker).
+ # You can control the starting point for the batch processing by
+ # supplying the <tt>:start</tt> option. This is especially useful if you
+ # want multiple workers dealing with the same processing queue. You can
+ # make worker 1 handle all the records between id 0 and 10,000 and
+ # worker 2 handle from 10,000 and beyond (by setting the <tt>:start</tt>
+ # option on that worker).
#
- # It's not possible to set the order. That is automatically set to ascending on the primary key ("id ASC")
- # to make the batch ordering work. This also mean that this method only works with integer-based primary keys.
- # You can't set the limit either, that's used to control the the batch sizes.
+ # It's not possible to set the order. That is automatically set to
+ # ascending on the primary key ("id ASC") to make the batch ordering
+ # work. This also mean that this method only works with integer-based
+ # primary keys. You can't set the limit either, that's used to control
+ # the the batch sizes.
#
# Example:
#
@@ -49,12 +57,15 @@ module ActiveRecord
raise "You can't specify a limit, it's forced to be the batch_size" if options[:limit]
start = options.delete(:start).to_i
+ batch_size = options.delete(:batch_size) || 1000
- with_scope(:find => options.merge(:order => batch_order, :limit => options.delete(:batch_size) || 1000)) do
+ with_scope(:find => options.merge(:order => batch_order, :limit => batch_size)) do
records = find(:all, :conditions => [ "#{table_name}.#{primary_key} >= ?", start ])
while records.any?
yield records
+
+ break if records.size < batch_size
records = find(:all, :conditions => [ "#{table_name}.#{primary_key} > ?", records.last.id ])
end
end
diff --git a/activerecord/lib/active_record/calculations.rb b/activerecord/lib/active_record/calculations.rb
index b239c03284..f077818d3b 100644
--- a/activerecord/lib/active_record/calculations.rb
+++ b/activerecord/lib/active_record/calculations.rb
@@ -141,22 +141,30 @@ module ActiveRecord
def construct_count_options_from_args(*args)
options = {}
column_name = :all
-
+
# We need to handle
# count()
# count(:column_name=:all)
# count(options={})
# count(column_name=:all, options={})
+ # selects specified by scopes
case args.size
+ when 0
+ column_name = scope(:find)[:select] if scope(:find)
when 1
- args[0].is_a?(Hash) ? options = args[0] : column_name = args[0]
+ if args[0].is_a?(Hash)
+ column_name = scope(:find)[:select] if scope(:find)
+ options = args[0]
+ else
+ column_name = args[0]
+ end
when 2
column_name, options = args
else
raise ArgumentError, "Unexpected parameters passed to count(): #{args.inspect}"
- end if args.size > 0
-
- [column_name, options]
+ end
+
+ [column_name || :all, options]
end
def construct_calculation_sql(operation, column_name, options) #:nodoc:
@@ -214,13 +222,15 @@ module ActiveRecord
end
if options[:group] && options[:having]
+ having = sanitize_sql_for_conditions(options[:having])
+
# FrontBase requires identifiers in the HAVING clause and chokes on function calls
if connection.adapter_name == 'FrontBase'
- options[:having].downcase!
- options[:having].gsub!(/#{operation}\s*\(\s*#{column_name}\s*\)/, aggregate_alias)
+ having.downcase!
+ having.gsub!(/#{operation}\s*\(\s*#{column_name}\s*\)/, aggregate_alias)
end
- sql << " HAVING #{options[:having]} "
+ sql << " HAVING #{having} "
end
sql << " ORDER BY #{options[:order]} " if options[:order]
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 901b17124c..aac84cc5f4 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
@@ -351,5 +351,21 @@ module ActiveRecord
retrieve_connection_pool klass.superclass
end
end
+
+ class ConnectionManagement
+ def initialize(app)
+ @app = app
+ end
+
+ def call(env)
+ @app.call(env)
+ ensure
+ # Don't return connection (and peform implicit rollback) if
+ # this request is a part of integration test
+ unless env.key?("rack.test")
+ ActiveRecord::Base.clear_active_connections!
+ end
+ 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 cc9c46505f..75420f69aa 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
@@ -18,7 +18,7 @@ module ActiveRecord
db.busy_timeout(config[:timeout]) unless config[:timeout].nil?
- ConnectionAdapters::SQLite3Adapter.new(db, logger)
+ ConnectionAdapters::SQLite3Adapter.new(db, logger, config)
end
end
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
index 5390f49f04..afd6472db8 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
@@ -17,9 +17,9 @@ module ActiveRecord
# "Downgrade" deprecated sqlite API
if SQLite.const_defined?(:Version)
- ConnectionAdapters::SQLite2Adapter.new(db, logger)
+ ConnectionAdapters::SQLite2Adapter.new(db, logger, config)
else
- ConnectionAdapters::DeprecatedSQLiteAdapter.new(db, logger)
+ ConnectionAdapters::DeprecatedSQLiteAdapter.new(db, logger, config)
end
end
end
@@ -72,10 +72,31 @@ module ActiveRecord
#
# * <tt>:database</tt> - Path to the database file.
class SQLiteAdapter < AbstractAdapter
+ class Version
+ include Comparable
+
+ def initialize(version_string)
+ @version = version_string.split('.').map(&:to_i)
+ end
+
+ def <=>(version_string)
+ @version <=> version_string.split('.').map(&:to_i)
+ end
+ end
+
+ def initialize(connection, logger, config)
+ super(connection, logger)
+ @config = config
+ end
+
def adapter_name #:nodoc:
'SQLite'
end
+ def supports_ddl_transactions?
+ sqlite_version >= '2.0.0'
+ end
+
def supports_migrations? #:nodoc:
true
end
@@ -83,6 +104,10 @@ module ActiveRecord
def requires_reloading?
true
end
+
+ def supports_add_column?
+ sqlite_version >= '3.1.6'
+ end
def disconnect!
super
@@ -164,7 +189,6 @@ module ActiveRecord
catch_schema_changes { @connection.rollback }
end
-
# SELECT ... FOR UPDATE is redundant since the table is locked.
def add_lock!(sql, options) #:nodoc:
sql
@@ -213,14 +237,20 @@ module ActiveRecord
execute "ALTER TABLE #{name} RENAME TO #{new_name}"
end
+ # See: http://www.sqlite.org/lang_altertable.html
+ # SQLite has an additional restriction on the ALTER TABLE statement
+ def valid_alter_table_options( type, options)
+ type.to_sym != :primary_key
+ end
+
def add_column(table_name, column_name, type, options = {}) #:nodoc:
- if @connection.respond_to?(:transaction_active?) && @connection.transaction_active?
- raise StatementInvalid, 'Cannot add columns to a SQLite database while inside a transaction'
+ if supports_add_column? && valid_alter_table_options( type, options )
+ super(table_name, column_name, type, options)
+ else
+ alter_table(table_name) do |definition|
+ definition.column(column_name, type, options)
+ end
end
-
- super(table_name, column_name, type, options)
- # See last paragraph on http://www.sqlite.org/lang_altertable.html
- execute "VACUUM"
end
def remove_column(table_name, *column_names) #:nodoc:
@@ -380,7 +410,7 @@ module ActiveRecord
end
def sqlite_version
- @sqlite_version ||= select_value('select sqlite_version(*)')
+ @sqlite_version ||= SQLiteAdapter::Version.new(select_value('select sqlite_version(*)'))
end
def default_primary_key_type
@@ -393,23 +423,9 @@ module ActiveRecord
end
class SQLite2Adapter < SQLiteAdapter # :nodoc:
- def supports_count_distinct? #:nodoc:
- false
- end
-
def rename_table(name, new_name)
move_table(name, new_name)
end
-
- def add_column(table_name, column_name, type, options = {}) #:nodoc:
- if @connection.respond_to?(:transaction_active?) && @connection.transaction_active?
- raise StatementInvalid, 'Cannot add columns to a SQLite database while inside a transaction'
- end
-
- alter_table(table_name) do |definition|
- definition.column(column_name, type, options)
- end
- end
end
class DeprecatedSQLiteAdapter < SQLite2Adapter # :nodoc:
diff --git a/activerecord/lib/active_record/locking/optimistic.rb b/activerecord/lib/active_record/locking/optimistic.rb
index ff9899d032..7fa7e267d8 100644
--- a/activerecord/lib/active_record/locking/optimistic.rb
+++ b/activerecord/lib/active_record/locking/optimistic.rb
@@ -23,6 +23,16 @@ module ActiveRecord
# p2.first_name = "should fail"
# p2.save # Raises a ActiveRecord::StaleObjectError
#
+ # Optimistic locking will also check for stale data when objects are destroyed. Example:
+ #
+ # p1 = Person.find(1)
+ # p2 = Person.find(1)
+ #
+ # p1.first_name = "Michael"
+ # p1.save
+ #
+ # p2.destroy # Raises a ActiveRecord::StaleObjectError
+ #
# You're then responsible for dealing with the conflict by rescuing the exception and either rolling back, merging,
# or otherwise apply the business logic needed to resolve the conflict.
#
@@ -39,6 +49,7 @@ module ActiveRecord
base.lock_optimistically = true
base.alias_method_chain :update, :lock
+ base.alias_method_chain :destroy, :lock
base.alias_method_chain :attributes_from_column_definition, :lock
class << base
@@ -98,6 +109,28 @@ module ActiveRecord
end
end
+ def destroy_with_lock #:nodoc:
+ return destroy_without_lock unless locking_enabled?
+
+ unless new_record?
+ lock_col = self.class.locking_column
+ previous_value = send(lock_col).to_i
+
+ affected_rows = connection.delete(
+ "DELETE FROM #{self.class.quoted_table_name} " +
+ "WHERE #{connection.quote_column_name(self.class.primary_key)} = #{quoted_id} " +
+ "AND #{self.class.quoted_locking_column} = #{quote_value(previous_value)}",
+ "#{self.class.name} Destroy"
+ )
+
+ unless affected_rows == 1
+ raise ActiveRecord::StaleObjectError, "Attempted to delete a stale object"
+ end
+ end
+
+ freeze
+ end
+
module ClassMethods
DEFAULT_LOCKING_COLUMN = 'lock_version'
diff --git a/activerecord/lib/active_record/named_scope.rb b/activerecord/lib/active_record/named_scope.rb
index 989b2a1ec5..1f3ef300f2 100644
--- a/activerecord/lib/active_record/named_scope.rb
+++ b/activerecord/lib/active_record/named_scope.rb
@@ -1,11 +1,12 @@
module ActiveRecord
module NamedScope
- # All subclasses of ActiveRecord::Base have two named \scopes:
- # * <tt>all</tt> - which is similar to a <tt>find(:all)</tt> query, and
+ # All subclasses of ActiveRecord::Base have one named scope:
# * <tt>scoped</tt> - which allows for the creation of anonymous \scopes, on the fly: <tt>Shirt.scoped(:conditions => {:color => 'red'}).scoped(:include => :washing_instructions)</tt>
#
# These anonymous \scopes tend to be useful when procedurally generating complex queries, where passing
# intermediate values (scopes) around as first-class objects is convenient.
+ #
+ # You can define a scope that applies to all finders using ActiveRecord::Base.default_scope.
def self.included(base)
base.class_eval do
extend ClassMethods
@@ -88,7 +89,12 @@ module ActiveRecord
when Hash
options
when Proc
- options.call(*args)
+ case parent_scope
+ when Scope
+ with_scope(:find => parent_scope.proxy_options) { options.call(*args) }
+ else
+ options.call(*args)
+ end
end, &block)
end
(class << self; self end).instance_eval do
@@ -98,9 +104,9 @@ module ActiveRecord
end
end
end
-
+
class Scope
- attr_reader :proxy_scope, :proxy_options
+ attr_reader :proxy_scope, :proxy_options, :current_scoped_methods_when_defined
NON_DELEGATE_METHODS = %w(nil? send object_id class extend find size count sum average maximum minimum paginate first last empty? any? respond_to?).to_set
[].methods.each do |m|
unless m =~ /^__/ || NON_DELEGATE_METHODS.include?(m.to_s)
@@ -111,8 +117,12 @@ module ActiveRecord
delegate :scopes, :with_scope, :to => :proxy_scope
def initialize(proxy_scope, options, &block)
+ options ||= {}
[options[:extend]].flatten.each { |extension| extend extension } if options[:extend]
extend Module.new(&block) if block_given?
+ unless Scope === proxy_scope
+ @current_scoped_methods_when_defined = proxy_scope.send(:current_scoped_methods)
+ end
@proxy_scope, @proxy_options = proxy_scope, options.except(:extend)
end
@@ -166,9 +176,15 @@ module ActiveRecord
if scopes.include?(method)
scopes[method].call(self, *args)
else
- with_scope :find => proxy_options, :create => proxy_options[:conditions].is_a?(Hash) ? proxy_options[:conditions] : {} do
+ with_scope({:find => proxy_options, :create => proxy_options[:conditions].is_a?(Hash) ? proxy_options[:conditions] : {}}, :reverse_merge) do
method = :new if method == :build
- proxy_scope.send(method, *args, &block)
+ if current_scoped_methods_when_defined
+ with_scope current_scoped_methods_when_defined do
+ proxy_scope.send(method, *args, &block)
+ end
+ else
+ proxy_scope.send(method, *args, &block)
+ end
end
end
end
diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb
index e69bfb1355..2d4c1d5507 100644
--- a/activerecord/lib/active_record/reflection.rb
+++ b/activerecord/lib/active_record/reflection.rb
@@ -197,7 +197,7 @@ module ActiveRecord
def counter_cache_column
if options[:counter_cache] == true
- "#{active_record.name.underscore.pluralize}_count"
+ "#{active_record.name.demodulize.underscore.pluralize}_count"
elsif options[:counter_cache]
options[:counter_cache]
end
diff --git a/activerecord/lib/active_record/serializers/xml_serializer.rb b/activerecord/lib/active_record/serializers/xml_serializer.rb
index 4749823b94..fa75874603 100644
--- a/activerecord/lib/active_record/serializers/xml_serializer.rb
+++ b/activerecord/lib/active_record/serializers/xml_serializer.rb
@@ -231,16 +231,22 @@ module ActiveRecord #:nodoc:
def add_associations(association, records, opts)
if records.is_a?(Enumerable)
tag = reformat_name(association.to_s)
+ type = options[:skip_types] ? {} : {:type => "array"}
+
if records.empty?
- builder.tag!(tag, :type => :array)
+ builder.tag!(tag, type)
else
- builder.tag!(tag, :type => :array) do
+ builder.tag!(tag, type) do
association_name = association.to_s.singularize
records.each do |record|
- record.to_xml opts.merge(
- :root => association_name,
- :type => (record.class.to_s.underscore == association_name ? nil : record.class.name)
- )
+ if options[:skip_types]
+ record_type = {}
+ else
+ record_class = (record.class.to_s.underscore == association_name) ? nil : record.class.name
+ record_type = {:type => record_class}
+ end
+
+ record.to_xml opts.merge(:root => association_name).merge(record_type)
end
end
end
diff --git a/activerecord/lib/active_record/session_store.rb b/activerecord/lib/active_record/session_store.rb
index de199d30bf..3cc4640f42 100644
--- a/activerecord/lib/active_record/session_store.rb
+++ b/activerecord/lib/active_record/session_store.rb
@@ -287,8 +287,7 @@ module ActiveRecord
def get_session(env, sid)
Base.silence do
sid ||= generate_sid
- session = @@session_class.find_by_session_id(sid)
- session ||= @@session_class.new(:session_id => sid, :data => {})
+ session = find_session(sid)
env[SESSION_RECORD_KEY] = session
[sid, session.data]
end
@@ -296,7 +295,7 @@ module ActiveRecord
def set_session(env, sid, session_data)
Base.silence do
- record = env[SESSION_RECORD_KEY]
+ record = env[SESSION_RECORD_KEY] ||= find_session(sid)
record.data = session_data
return false unless record.save
@@ -310,5 +309,10 @@ module ActiveRecord
return true
end
+
+ def find_session(id)
+ @@session_class.find_by_session_id(id) ||
+ @@session_class.new(:session_id => id, :data => {})
+ end
end
end
diff --git a/activerecord/lib/active_record/test_case.rb b/activerecord/lib/active_record/test_case.rb
index 211dd78874..8c6abaaccb 100644
--- a/activerecord/lib/active_record/test_case.rb
+++ b/activerecord/lib/active_record/test_case.rb
@@ -49,5 +49,18 @@ module ActiveRecord
ActiveRecord::Base.clear_all_connections!
ActiveRecord::Base.establish_connection(@connection)
end
+
+ def with_kcode(kcode)
+ if RUBY_VERSION < '1.9'
+ orig_kcode, $KCODE = $KCODE, kcode
+ begin
+ yield
+ ensure
+ $KCODE = orig_kcode
+ end
+ else
+ yield
+ end
+ end
end
end
diff --git a/activerecord/lib/active_record/transactions.rb b/activerecord/lib/active_record/transactions.rb
index 0b6e52c79b..b059eb7f6f 100644
--- a/activerecord/lib/active_record/transactions.rb
+++ b/activerecord/lib/active_record/transactions.rb
@@ -175,6 +175,8 @@ module ActiveRecord
# end # RELEASE savepoint active_record_1
# # ^^^^ BOOM! database error!
# end
+ #
+ # Note that "TRUNCATE" is also a MySQL DDL statement!
module ClassMethods
# See ActiveRecord::Transactions::ClassMethods for detailed documentation.
def transaction(options = {}, &block)
diff --git a/activerecord/lib/active_record/validations.rb b/activerecord/lib/active_record/validations.rb
index 8f3c80565e..d2d12b80c9 100644
--- a/activerecord/lib/active_record/validations.rb
+++ b/activerecord/lib/active_record/validations.rb
@@ -89,7 +89,7 @@ module ActiveRecord
message, options[:default] = options[:default], message if options[:default].is_a?(Symbol)
- defaults = @base.class.self_and_descendents_from_active_record.map do |klass|
+ defaults = @base.class.self_and_descendants_from_active_record.map do |klass|
[ :"models.#{klass.name.underscore}.attributes.#{attribute}.#{message}",
:"models.#{klass.name.underscore}.#{message}" ]
end
@@ -720,20 +720,20 @@ module ActiveRecord
# class (which has a database table to query from).
finder_class = class_hierarchy.detect { |klass| !klass.abstract_class? }
- is_text_column = finder_class.columns_hash[attr_name.to_s].text?
+ column = finder_class.columns_hash[attr_name.to_s]
if value.nil?
comparison_operator = "IS ?"
- elsif is_text_column
+ elsif column.text?
comparison_operator = "#{connection.case_sensitive_equality_operator} ?"
- value = value.to_s
+ value = column.limit ? value.to_s[0, column.limit] : value.to_s
else
comparison_operator = "= ?"
end
sql_attribute = "#{record.class.quoted_table_name}.#{connection.quote_column_name(attr_name)}"
- if value.nil? || (configuration[:case_sensitive] || !is_text_column)
+ if value.nil? || (configuration[:case_sensitive] || !column.text?)
condition_sql = "#{sql_attribute} #{comparison_operator}"
condition_params = [value]
else
@@ -802,7 +802,7 @@ module ActiveRecord
# Validates whether the value of the specified attribute is available in a particular enumerable object.
#
# class Person < ActiveRecord::Base
- # validates_inclusion_of :gender, :in => %w( m f ), :message => "woah! what are you then!??!!"
+ # validates_inclusion_of :gender, :in => %w( m f )
# validates_inclusion_of :age, :in => 0..99
# validates_inclusion_of :format, :in => %w( jpg gif png ), :message => "extension {{value}} is not included in the list"
# end
@@ -1040,6 +1040,11 @@ module ActiveRecord
errors.empty?
end
+ # Performs the opposite of <tt>valid?</tt>. Returns true if errors were added, false otherwise.
+ def invalid?
+ !valid?
+ end
+
# Returns the Errors object that holds all information about attribute error messages.
def errors
@errors ||= Errors.new(self)
diff --git a/activerecord/lib/active_record/version.rb b/activerecord/lib/active_record/version.rb
index 6ac4bdc905..852807b4c5 100644
--- a/activerecord/lib/active_record/version.rb
+++ b/activerecord/lib/active_record/version.rb
@@ -2,7 +2,7 @@ module ActiveRecord
module VERSION #:nodoc:
MAJOR = 2
MINOR = 3
- TINY = 0
+ TINY = 2
STRING = [MAJOR, MINOR, TINY].join('.')
end