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-rw-r--r--activerecord/lib/active_record/associations/alias_tracker.rb9
-rw-r--r--activerecord/lib/active_record/associations/association.rb29
-rw-r--r--activerecord/lib/active_record/associations/association_scope.rb48
-rw-r--r--activerecord/lib/active_record/associations/belongs_to_association.rb7
-rw-r--r--activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb3
-rw-r--r--activerecord/lib/active_record/associations/builder/association.rb33
-rw-r--r--activerecord/lib/active_record/associations/builder/belongs_to.rb6
-rw-r--r--activerecord/lib/active_record/associations/builder/collection_association.rb4
-rw-r--r--activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb2
-rw-r--r--activerecord/lib/active_record/associations/builder/has_many.rb15
-rw-r--r--activerecord/lib/active_record/associations/builder/has_one.rb12
-rw-r--r--activerecord/lib/active_record/associations/collection_association.rb34
-rw-r--r--activerecord/lib/active_record/associations/collection_proxy.rb32
-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.rb10
-rw-r--r--activerecord/lib/active_record/associations/has_many_through_association.rb8
-rw-r--r--activerecord/lib/active_record/associations/join_dependency.rb4
-rw-r--r--activerecord/lib/active_record/associations/join_dependency/join_association.rb7
-rw-r--r--activerecord/lib/active_record/associations/join_helper.rb10
-rw-r--r--activerecord/lib/active_record/associations/preloader/association.rb19
-rw-r--r--activerecord/lib/active_record/associations/through_association.rb12
21 files changed, 186 insertions, 122 deletions
diff --git a/activerecord/lib/active_record/associations/alias_tracker.rb b/activerecord/lib/active_record/associations/alias_tracker.rb
index 0248c7483c..84540a7000 100644
--- a/activerecord/lib/active_record/associations/alias_tracker.rb
+++ b/activerecord/lib/active_record/associations/alias_tracker.rb
@@ -5,12 +5,13 @@ module ActiveRecord
# Keeps track of table aliases for ActiveRecord::Associations::ClassMethods::JoinDependency and
# ActiveRecord::Associations::ThroughAssociationScope
class AliasTracker # :nodoc:
- attr_reader :aliases, :table_joins
+ attr_reader :aliases, :table_joins, :connection
# table_joins is an array of arel joins which might conflict with the aliases we assign here
- def initialize(table_joins = [])
+ def initialize(connection = ActiveRecord::Model.connection, table_joins = [])
@aliases = Hash.new { |h,k| h[k] = initial_count_for(k) }
@table_joins = table_joins
+ @connection = connection
end
def aliased_table_for(table_name, aliased_name = nil)
@@ -70,10 +71,6 @@ module ActiveRecord
def truncate(name)
name.slice(0, connection.table_alias_length - 2)
end
-
- def connection
- ActiveRecord::Base.connection
- end
end
end
end
diff --git a/activerecord/lib/active_record/associations/association.rb b/activerecord/lib/active_record/associations/association.rb
index d1e3ff8e38..e75003f261 100644
--- a/activerecord/lib/active_record/associations/association.rb
+++ b/activerecord/lib/active_record/associations/association.rb
@@ -25,9 +25,7 @@ module ActiveRecord
def initialize(owner, reflection)
reflection.check_validity!
- @target = nil
@owner, @reflection = owner, reflection
- @updated = false
reset
reset_scope
@@ -38,14 +36,14 @@ module ActiveRecord
# post.comments.aliased_table_name # => "comments"
#
def aliased_table_name
- reflection.klass.table_name
+ klass.table_name
end
# Resets the \loaded flag to +false+ and sets the \target to +nil+.
def reset
@loaded = false
- IdentityMap.remove(target) if IdentityMap.enabled? && target
@target = nil
+ @stale_state = nil
end
# Reloads the \target and returns +self+ on success.
@@ -134,17 +132,8 @@ module ActiveRecord
# ActiveRecord::RecordNotFound is rescued within the method, and it is
# not reraised. The proxy is \reset and +nil+ is the return value.
def load_target
- if find_target?
- begin
- if IdentityMap.enabled? && association_class && association_class.respond_to?(:base_class)
- @target = IdentityMap.get(association_class, owner[reflection.foreign_key])
- end
- rescue NameError
- nil
- ensure
- @target ||= find_target
- end
- end
+ @target = find_target if (@stale_state && stale_target?) || find_target?
+
loaded! unless loaded?
target
rescue ActiveRecord::RecordNotFound
@@ -225,16 +214,10 @@ module ActiveRecord
def stale_state
end
- def association_class
- @reflection.klass
- end
-
def build_record(attributes, options)
reflection.build_association(attributes, options) do |record|
- record.assign_attributes(
- create_scope.except(*record.changed),
- :without_protection => true
- )
+ attributes = create_scope.except(*(record.changed - [reflection.foreign_key]))
+ record.assign_attributes(attributes, :without_protection => true)
end
end
end
diff --git a/activerecord/lib/active_record/associations/association_scope.rb b/activerecord/lib/active_record/associations/association_scope.rb
index 6f8b76abda..5a44d3a156 100644
--- a/activerecord/lib/active_record/associations/association_scope.rb
+++ b/activerecord/lib/active_record/associations/association_scope.rb
@@ -10,29 +10,47 @@ module ActiveRecord
def initialize(association)
@association = association
- @alias_tracker = AliasTracker.new
+ @alias_tracker = AliasTracker.new klass.connection
end
def scope
scope = klass.unscoped
- scope = scope.extending(*Array.wrap(options[:extend]))
+
+ scope.extending!(*Array(options[:extend]))
# It's okay to just apply all these like this. The options will only be present if the
# association supports that option; this is enforced by the association builder.
- scope = scope.apply_finder_options(options.slice(
- :readonly, :include, :order, :limit, :joins, :group, :having, :offset, :select))
+ scope.merge!(options.slice(
+ :readonly, :references, :order, :limit, :joins, :group, :having, :offset, :select, :uniq))
- if options[:through] && !options[:include]
- scope = scope.includes(source_options[:include])
+ if options[:include]
+ scope.includes! options[:include]
+ elsif options[:through]
+ scope.includes! source_options[:include]
end
- scope = scope.uniq if options[:uniq]
-
add_constraints(scope)
end
private
+ def column_for(table_name, column_name)
+ columns = alias_tracker.connection.schema_cache.columns_hash[table_name]
+ columns[column_name]
+ end
+
+ def bind_value(scope, column, value)
+ substitute = alias_tracker.connection.substitute_at(
+ column, scope.bind_values.length)
+ scope.bind_values += [[column, value]]
+ substitute
+ end
+
+ def bind(scope, table_name, column_name, value)
+ column = column_for table_name, column_name
+ bind_value scope, column, value
+ end
+
def add_constraints(scope)
tables = construct_tables
@@ -67,10 +85,13 @@ module ActiveRecord
conditions = self.conditions[i]
if reflection == chain.last
- scope = scope.where(table[key].eq(owner[foreign_key]))
+ bind_val = bind scope, table.table_name, key.to_s, owner[foreign_key]
+ scope = scope.where(table[key].eq(bind_val))
if reflection.type
- scope = scope.where(table[reflection.type].eq(owner.class.base_class.name))
+ value = owner.class.base_class.name
+ bind_val = bind scope, table.table_name, reflection.type.to_s, value
+ scope = scope.where(table[reflection.type].eq(bind_val))
end
conditions.each do |condition|
@@ -90,8 +111,11 @@ module ActiveRecord
scope = scope.joins(join(foreign_table, constraint))
- unless conditions.empty?
- scope = scope.where(sanitize(conditions, table))
+ conditions.each do |condition|
+ condition = interpolate(condition)
+ condition = { (table.table_alias || table.name) => condition } unless i == 0
+
+ scope = scope.where(condition)
end
end
end
diff --git a/activerecord/lib/active_record/associations/belongs_to_association.rb b/activerecord/lib/active_record/associations/belongs_to_association.rb
index 97f531d064..ddfc6f6c05 100644
--- a/activerecord/lib/active_record/associations/belongs_to_association.rb
+++ b/activerecord/lib/active_record/associations/belongs_to_association.rb
@@ -14,6 +14,11 @@ module ActiveRecord
self.target = record
end
+ def reset
+ super
+ @updated = false
+ end
+
def updated?
@updated
end
@@ -72,7 +77,7 @@ module ActiveRecord
end
def stale_state
- owner[reflection.foreign_key].to_s
+ owner[reflection.foreign_key] && owner[reflection.foreign_key].to_s
end
end
end
diff --git a/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb b/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb
index 2ee5dbbd70..88ce03a3cd 100644
--- a/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb
+++ b/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb
@@ -27,7 +27,8 @@ module ActiveRecord
end
def stale_state
- [super, owner[reflection.foreign_type].to_s]
+ foreign_key = super
+ foreign_key && [foreign_key.to_s, owner[reflection.foreign_type].to_s]
end
end
end
diff --git a/activerecord/lib/active_record/associations/builder/association.rb b/activerecord/lib/active_record/associations/builder/association.rb
index d4f59100e8..2059d8acdf 100644
--- a/activerecord/lib/active_record/associations/builder/association.rb
+++ b/activerecord/lib/active_record/associations/builder/association.rb
@@ -1,7 +1,7 @@
module ActiveRecord::Associations::Builder
class Association #:nodoc:
class_attribute :valid_options
- self.valid_options = [:class_name, :foreign_key, :select, :conditions, :include, :extend, :readonly, :validate]
+ self.valid_options = [:class_name, :foreign_key, :select, :conditions, :include, :extend, :readonly, :validate, :references]
# Set by subclasses
class_attribute :macro
@@ -51,5 +51,36 @@ module ActiveRecord::Associations::Builder
association(name).writer(value)
end
end
+
+ def dependent_restrict_raises?
+ ActiveRecord::Base.dependent_restrict_raises == true
+ end
+
+ def dependent_restrict_deprecation_warning
+ if dependent_restrict_raises?
+ msg = "In the next release, `:dependent => :restrict` will not raise a `DeleteRestrictionError`. "\
+ "Instead, it will add an error on the model. To fix this warning, make sure your code " \
+ "isn't relying on a `DeleteRestrictionError` and then add " \
+ "`config.active_record.dependent_restrict_raises = false` to your application config."
+ ActiveSupport::Deprecation.warn msg
+ end
+ end
+
+ def define_restrict_dependency_method
+ name = self.name
+ mixin.redefine_method(dependency_method_name) do
+ # has_many or has_one associations
+ if send(name).respond_to?(:exists?) ? send(name).exists? : !send(name).nil?
+ if dependent_restrict_raises?
+ raise ActiveRecord::DeleteRestrictionError.new(name)
+ else
+ key = association(name).reflection.macro == :has_one ? "one" : "many"
+ errors.add(:base, :"restrict_dependent_destroy.#{key}",
+ :record => self.class.human_attribute_name(name).downcase)
+ return false
+ end
+ end
+ end
+ end
end
end
diff --git a/activerecord/lib/active_record/associations/builder/belongs_to.rb b/activerecord/lib/active_record/associations/builder/belongs_to.rb
index 1759a41d93..4183c222de 100644
--- a/activerecord/lib/active_record/associations/builder/belongs_to.rb
+++ b/activerecord/lib/active_record/associations/builder/belongs_to.rb
@@ -33,8 +33,10 @@ module ActiveRecord::Associations::Builder
method_name = "belongs_to_counter_cache_before_destroy_for_#{name}"
mixin.redefine_method(method_name) do
- record = send(name)
- record.class.decrement_counter(cache_column, record.id) unless record.nil?
+ unless marked_for_destruction?
+ record = send(name)
+ record.class.decrement_counter(cache_column, record.id) unless record.nil?
+ end
end
model.before_destroy(method_name)
diff --git a/activerecord/lib/active_record/associations/builder/collection_association.rb b/activerecord/lib/active_record/associations/builder/collection_association.rb
index 35f9a3ae8e..768f70b6c9 100644
--- a/activerecord/lib/active_record/associations/builder/collection_association.rb
+++ b/activerecord/lib/active_record/associations/builder/collection_association.rb
@@ -32,7 +32,7 @@ module ActiveRecord::Associations::Builder
private
def wrap_block_extension
- options[:extend] = Array.wrap(options[:extend])
+ options[:extend] = Array(options[:extend])
if block_extension
silence_warnings do
@@ -51,7 +51,7 @@ module ActiveRecord::Associations::Builder
# TODO : why do i need method_defined? I think its because of the inheritance chain
model.class_attribute full_callback_name.to_sym unless model.method_defined?(full_callback_name)
- model.send("#{full_callback_name}=", Array.wrap(options[callback_name.to_sym]))
+ model.send("#{full_callback_name}=", Array(options[callback_name.to_sym]))
end
def define_readers
diff --git a/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb b/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb
index 30fc44b4c2..0b634ab944 100644
--- a/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb
+++ b/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb
@@ -18,7 +18,7 @@ module ActiveRecord::Associations::Builder
model.send(:include, Module.new {
class_eval <<-RUBY, __FILE__, __LINE__ + 1
def destroy_associations
- association(#{name.to_sym.inspect}).delete_all
+ association(#{name.to_sym.inspect}).delete_all_on_destroy
super
end
RUBY
diff --git a/activerecord/lib/active_record/associations/builder/has_many.rb b/activerecord/lib/active_record/associations/builder/has_many.rb
index d29a525b9e..9ddfd433e4 100644
--- a/activerecord/lib/active_record/associations/builder/has_many.rb
+++ b/activerecord/lib/active_record/associations/builder/has_many.rb
@@ -21,6 +21,7 @@ module ActiveRecord::Associations::Builder
":nullify or :restrict (#{options[:dependent].inspect})"
end
+ dependent_restrict_deprecation_warning if options[:dependent] == :restrict
send("define_#{options[:dependent]}_dependency_method")
model.before_destroy dependency_method_name
end
@@ -31,12 +32,7 @@ module ActiveRecord::Associations::Builder
mixin.redefine_method(dependency_method_name) do
send(name).each do |o|
# No point in executing the counter update since we're going to destroy the parent anyway
- counter_method = ('belongs_to_counter_cache_before_destroy_for_' + self.class.name.downcase).to_sym
- if o.respond_to?(counter_method)
- class << o
- self
- end.send(:define_method, counter_method, Proc.new {})
- end
+ o.mark_for_destruction
end
send(name).delete_all
@@ -46,15 +42,14 @@ module ActiveRecord::Associations::Builder
def define_delete_all_dependency_method
name = self.name
mixin.redefine_method(dependency_method_name) do
- send(name).delete_all
+ association(name).delete_all_on_destroy
end
end
- alias :define_nullify_dependency_method :define_delete_all_dependency_method
- def define_restrict_dependency_method
+ def define_nullify_dependency_method
name = self.name
mixin.redefine_method(dependency_method_name) do
- raise ActiveRecord::DeleteRestrictionError.new(name) unless send(name).empty?
+ send(name).delete_all
end
end
diff --git a/activerecord/lib/active_record/associations/builder/has_one.rb b/activerecord/lib/active_record/associations/builder/has_one.rb
index 7a6cd3890f..bc8a212bee 100644
--- a/activerecord/lib/active_record/associations/builder/has_one.rb
+++ b/activerecord/lib/active_record/associations/builder/has_one.rb
@@ -34,15 +34,12 @@ module ActiveRecord::Associations::Builder
":nullify or :restrict (#{options[:dependent].inspect})"
end
+ dependent_restrict_deprecation_warning if options[:dependent] == :restrict
send("define_#{options[:dependent]}_dependency_method")
model.before_destroy dependency_method_name
end
end
- def dependency_method_name
- "has_one_dependent_#{options[:dependent]}_for_#{name}"
- end
-
def define_destroy_dependency_method
name = self.name
mixin.redefine_method(dependency_method_name) do
@@ -52,11 +49,8 @@ module ActiveRecord::Associations::Builder
alias :define_delete_dependency_method :define_destroy_dependency_method
alias :define_nullify_dependency_method :define_destroy_dependency_method
- def define_restrict_dependency_method
- name = self.name
- mixin.redefine_method(dependency_method_name) do
- raise ActiveRecord::DeleteRestrictionError.new(name) unless send(name).nil?
- end
+ def dependency_method_name
+ "has_one_dependent_#{options[:dependent]}_for_#{name}"
end
end
end
diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb
index af37909c89..14aa557b6c 100644
--- a/activerecord/lib/active_record/associations/collection_association.rb
+++ b/activerecord/lib/active_record/associations/collection_association.rb
@@ -1,5 +1,3 @@
-require 'active_support/core_ext/array/wrap'
-
module ActiveRecord
module Associations
# = Active Record Association Collection
@@ -49,23 +47,31 @@ module ActiveRecord
end
else
column = "#{reflection.quoted_table_name}.#{reflection.association_primary_key}"
+ relation = scoped
- scoped.select(column).map! do |record|
- record.send(reflection.association_primary_key)
+ including = (relation.eager_load_values + relation.includes_values).uniq
+
+ if including.any?
+ join_dependency = ActiveRecord::Associations::JoinDependency.new(reflection.klass, including, [])
+ relation = join_dependency.join_associations.inject(relation) do |r, association|
+ association.join_relation(r)
+ end
end
+
+ relation.pluck(column)
end
end
# Implements the ids writer method, e.g. foo.item_ids= for Foo.has_many :items
def ids_writer(ids)
pk_column = reflection.primary_key_column
- ids = Array.wrap(ids).reject { |id| id.blank? }
+ ids = Array(ids).reject { |id| id.blank? }
ids.map! { |i| pk_column.type_cast(i) }
replace(klass.find(ids).index_by { |r| r.id }.values_at(*ids))
end
def reset
- @loaded = false
+ super
@target = []
end
@@ -152,6 +158,13 @@ module ActiveRecord
end
end
+ # Called when the association is declared as :dependent => :delete_all. This is
+ # an optimised version which avoids loading the records into memory. Not really
+ # for public consumption.
+ def delete_all_on_destroy
+ scoped.delete_all
+ end
+
# Destroy all the records from this association.
#
# See destroy for more info.
@@ -385,12 +398,7 @@ module ActiveRecord
return memory if persisted.empty?
persisted.map! do |record|
- # Unfortunately we cannot simply do memory.delete(record) since on 1.8 this returns
- # record rather than memory.at(memory.index(record)). The behavior is fixed in 1.9.
- mem_index = memory.index(record)
-
- if mem_index
- mem_record = memory.delete_at(mem_index)
+ if mem_record = memory.delete(record)
(record.attribute_names - mem_record.changes.keys).each do |name|
mem_record[name] = record[name]
@@ -536,7 +544,7 @@ module ActiveRecord
# If using a custom finder_sql, #find scans the entire collection.
def find_by_scan(*args)
expects_array = args.first.kind_of?(Array)
- ids = args.flatten.compact.uniq.map { |arg| arg.to_i }
+ ids = args.flatten.compact.map{ |arg| arg.to_i }.uniq
if ids.size == 1
id = ids.first
diff --git a/activerecord/lib/active_record/associations/collection_proxy.rb b/activerecord/lib/active_record/associations/collection_proxy.rb
index 80bc4990d2..ad029d1101 100644
--- a/activerecord/lib/active_record/associations/collection_proxy.rb
+++ b/activerecord/lib/active_record/associations/collection_proxy.rb
@@ -41,8 +41,7 @@ module ActiveRecord
delegate :group, :order, :limit, :joins, :where, :preload, :eager_load, :includes, :from,
:lock, :readonly, :having, :pluck, :to => :scoped
- delegate :target, :load_target, :loaded?, :scoped,
- :to => :@association
+ delegate :target, :load_target, :loaded?, :to => :@association
delegate :select, :find, :first, :last,
:build, :create, :create!,
@@ -53,7 +52,7 @@ module ActiveRecord
def initialize(association)
@association = association
- Array.wrap(association.options[:extend]).each { |ext| proxy_extend(ext) }
+ Array(association.options[:extend]).each { |ext| proxy_extend(ext) }
end
alias_method :new, :build
@@ -62,6 +61,17 @@ module ActiveRecord
@association
end
+ def scoped(options = nil)
+ association = @association
+ scope = association.scoped
+
+ scope.extending! do
+ define_method(:proxy_association) { association }
+ end
+ scope.merge!(options) if options
+ scope
+ end
+
def respond_to?(name, include_private = false)
super ||
(load_target && target.respond_to?(name, include_private)) ||
@@ -76,9 +86,8 @@ module ActiveRecord
proxy_association.send :add_to_target, r
yield(r) if block_given?
end
- end
- if target.respond_to?(method) || (!proxy_association.klass.respond_to?(method) && Class.respond_to?(method))
+ elsif target.respond_to?(method) || (!proxy_association.klass.respond_to?(method) && Class.respond_to?(method))
if load_target
if target.respond_to?(method)
target.send(method, *args, &block)
@@ -121,6 +130,19 @@ module ActiveRecord
proxy_association.reload
self
end
+
+ # Define array public methods because we know it should be invoked over
+ # the target, so we can have a performance improvement using those methods
+ # in association collections
+ Array.public_instance_methods.each do |m|
+ unless method_defined?(m)
+ class_eval <<-RUBY, __FILE__, __LINE__ + 1
+ def #{m}(*args, &block)
+ target.public_send(:#{m}, *args, &block) if load_target
+ end
+ RUBY
+ end
+ end
end
end
end
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 1f917f58f2..a4cea99372 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
@@ -32,6 +32,10 @@ module ActiveRecord
record
end
+ # ActiveRecord::Relation#delete_all needs to support joins before we can use a
+ # SQL-only implementation.
+ alias delete_all_on_destroy delete_all
+
private
def count_records
diff --git a/activerecord/lib/active_record/associations/has_many_association.rb b/activerecord/lib/active_record/associations/has_many_association.rb
index c5b90e873a..059e6c77bc 100644
--- a/activerecord/lib/active_record/associations/has_many_association.rb
+++ b/activerecord/lib/active_record/associations/has_many_association.rb
@@ -89,12 +89,8 @@ module ActiveRecord
records.each { |r| r.destroy }
update_counter(-records.length) unless inverse_updates_counter_cache?
else
- scope = scoped
-
- unless records == load_target
- keys = records.map { |r| r[reflection.association_primary_key] }
- scope = scoped.where(reflection.association_primary_key => keys)
- end
+ keys = records.map { |r| r[reflection.association_primary_key] }
+ scope = scoped.where(reflection.association_primary_key => keys)
if method == :delete_all
update_counter(-scope.delete_all)
@@ -103,7 +99,7 @@ module ActiveRecord
end
end
end
-
+
def foreign_key_present?
owner.attribute_present?(reflection.association_primary_key)
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 7e6e3be382..53d49fef2e 100644
--- a/activerecord/lib/active_record/associations/has_many_through_association.rb
+++ b/activerecord/lib/active_record/associations/has_many_through_association.rb
@@ -54,6 +54,10 @@ module ActiveRecord
record
end
+ # ActiveRecord::Relation#delete_all needs to support joins before we can use a
+ # SQL-only implementation.
+ alias delete_all_on_destroy delete_all
+
private
def through_association
@@ -69,7 +73,9 @@ module ActiveRecord
# association
def build_through_record(record)
@through_records[record.object_id] ||= begin
- through_record = through_association.build(construct_join_attributes(record))
+ ensure_mutable
+
+ through_record = through_association.build
through_record.send("#{source_reflection.name}=", record)
through_record
end
diff --git a/activerecord/lib/active_record/associations/join_dependency.rb b/activerecord/lib/active_record/associations/join_dependency.rb
index 6c878f0f00..cd366ac8b7 100644
--- a/activerecord/lib/active_record/associations/join_dependency.rb
+++ b/activerecord/lib/active_record/associations/join_dependency.rb
@@ -13,7 +13,7 @@ module ActiveRecord
@join_parts = [JoinBase.new(base)]
@associations = {}
@reflections = []
- @alias_tracker = AliasTracker.new(joins)
+ @alias_tracker = AliasTracker.new(base.connection, joins)
@alias_tracker.aliased_name_for(base.table_name) # Updates the count for base.table_name to 1
build(associations)
end
@@ -184,7 +184,7 @@ module ActiveRecord
macro = join_part.reflection.macro
if macro == :has_one
- return if record.association_cache.key?(join_part.reflection.name)
+ return record.association(join_part.reflection.name).target if record.association_cache.key?(join_part.reflection.name)
association = join_part.instantiate(row) unless row[join_part.aliased_primary_key].nil?
set_target_and_inverse(join_part, association, record)
else
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 03963ab060..0d7d28e458 100644
--- a/activerecord/lib/active_record/associations/join_dependency/join_association.rb
+++ b/activerecord/lib/active_record/associations/join_dependency/join_association.rb
@@ -95,8 +95,11 @@ module ActiveRecord
conditions = self.conditions[i].dup
conditions << { reflection.type => foreign_klass.base_class.name } if reflection.type
- unless conditions.empty?
- constraint = constraint.and(sanitize(conditions, table))
+ conditions.each do |condition|
+ condition = active_record.send(:sanitize_sql, interpolate(condition), table.table_alias || table.name)
+ condition = Arel.sql(condition) unless condition.is_a?(Arel::Node)
+
+ constraint = constraint.and(condition)
end
relation.from(join(table, constraint))
diff --git a/activerecord/lib/active_record/associations/join_helper.rb b/activerecord/lib/active_record/associations/join_helper.rb
index f83138195c..cea6ad6944 100644
--- a/activerecord/lib/active_record/associations/join_helper.rb
+++ b/activerecord/lib/active_record/associations/join_helper.rb
@@ -40,16 +40,6 @@ module ActiveRecord
def join(table, constraint)
table.create_join(table, table.create_on(constraint), join_type)
end
-
- def sanitize(conditions, table)
- conditions = conditions.map do |condition|
- condition = active_record.send(:sanitize_sql, interpolate(condition), table.table_alias || table.name)
- condition = Arel.sql(condition) unless condition.is_a?(Arel::Node)
- condition
- end
-
- conditions.length == 1 ? conditions.first : Arel::Nodes::And.new(conditions)
- end
end
end
end
diff --git a/activerecord/lib/active_record/associations/preloader/association.rb b/activerecord/lib/active_record/associations/preloader/association.rb
index 779f8164cc..b4c3908b10 100644
--- a/activerecord/lib/active_record/associations/preloader/association.rb
+++ b/activerecord/lib/active_record/associations/preloader/association.rb
@@ -77,7 +77,7 @@ module ActiveRecord
# Some databases impose a limit on the number of ids in a list (in Oracle it's 1000)
# Make several smaller queries if necessary or make one query if the adapter supports it
sliced = owner_keys.each_slice(model.connection.in_clause_length || owner_keys.size)
- records = sliced.map { |slice| records_for(slice) }.flatten
+ records = sliced.map { |slice| records_for(slice).to_a }.flatten
end
# Each record may have multiple owners, and vice-versa
@@ -93,10 +93,11 @@ module ActiveRecord
end
def build_scope
- scope = klass.scoped
+ scope = klass.unscoped
+ scope.default_scoped = true
- scope = scope.where(process_conditions(options[:conditions]))
- scope = scope.where(process_conditions(preload_options[:conditions]))
+ scope = scope.where(interpolate(options[:conditions]))
+ scope = scope.where(interpolate(preload_options[:conditions]))
scope = scope.select(preload_options[:select] || options[:select] || table[Arel.star])
scope = scope.includes(preload_options[:include] || options[:include])
@@ -112,13 +113,11 @@ module ActiveRecord
scope
end
- def process_conditions(conditions)
+ def interpolate(conditions)
if conditions.respond_to?(:to_proc)
- conditions = klass.send(:instance_eval, &conditions)
- end
-
- if conditions
- klass.send(:sanitize_sql, conditions)
+ klass.send(:instance_eval, &conditions)
+ else
+ conditions
end
end
end
diff --git a/activerecord/lib/active_record/associations/through_association.rb b/activerecord/lib/active_record/associations/through_association.rb
index f95e5337c2..be890e5767 100644
--- a/activerecord/lib/active_record/associations/through_association.rb
+++ b/activerecord/lib/active_record/associations/through_association.rb
@@ -37,9 +37,7 @@ module ActiveRecord
# situation it is more natural for the user to just create or modify their join records
# directly as required.
def construct_join_attributes(*records)
- if source_reflection.macro != :belongs_to
- raise HasManyThroughCantAssociateThroughHasOneOrManyReflection.new(owner, reflection)
- end
+ ensure_mutable
join_attributes = {
source_reflection.foreign_key =>
@@ -64,7 +62,7 @@ module ActiveRecord
# properly support stale-checking for nested associations.
def stale_state
if through_reflection.macro == :belongs_to
- owner[through_reflection.foreign_key].to_s
+ owner[through_reflection.foreign_key] && owner[through_reflection.foreign_key].to_s
end
end
@@ -73,6 +71,12 @@ module ActiveRecord
!owner[through_reflection.foreign_key].nil?
end
+ def ensure_mutable
+ if source_reflection.macro != :belongs_to
+ raise HasManyThroughCantAssociateThroughHasOneOrManyReflection.new(owner, reflection)
+ end
+ end
+
def ensure_not_nested
if reflection.nested?
raise HasManyThroughNestedAssociationsAreReadonly.new(owner, reflection)