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-rw-r--r--activerecord/lib/active_record/core.rb90
1 files changed, 44 insertions, 46 deletions
diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb
index ba053700f2..cd8690d500 100644
--- a/activerecord/lib/active_record/core.rb
+++ b/activerecord/lib/active_record/core.rb
@@ -42,9 +42,16 @@ module ActiveRecord
# 'database' => 'db/production.sqlite3'
# }
# }
- mattr_accessor :configurations, instance_writer: false
+ def self.configurations=(config)
+ @@configurations = ActiveRecord::ConnectionHandling::MergeAndResolveDefaultUrlConfig.new(config).resolve
+ end
self.configurations = {}
+ # Returns fully resolved configurations hash
+ def self.configurations
+ @@configurations
+ end
+
##
# :singleton-method:
# Determines whether to use Time.utc (using :utc) or Time.local (using :local) when pulling
@@ -69,13 +76,13 @@ module ActiveRecord
mattr_accessor :timestamped_migrations, instance_writer: false
self.timestamped_migrations = true
- ##
- # :singleton-method:
- # Disable implicit join references. This feature was deprecated with Rails 4.
- # If you don't make use of implicit references but still see deprecation warnings
- # you can disable the feature entirely. This will be the default with Rails 4.1.
- mattr_accessor :disable_implicit_join_references, instance_writer: false
- self.disable_implicit_join_references = false
+ # :nodoc:
+ mattr_accessor :maintain_test_schema, instance_accessor: false
+
+ def self.disable_implicit_join_references=(value)
+ ActiveSupport::Deprecation.warn("Implicit join references were removed with Rails 4.1." \
+ "Make sure to remove this configuration because it does nothing.")
+ end
class_attribute :default_connection_handler, instance_writer: false
@@ -91,27 +98,15 @@ module ActiveRecord
end
module ClassMethods
- def inherited(child_class) #:nodoc:
- child_class.initialize_generated_modules
- super
- end
-
def initialize_generated_modules
- @attribute_methods_mutex = Mutex.new
-
- # force attribute methods to be higher in inheritance hierarchy than other generated methods
- generated_attribute_methods.const_set(:AttrNames, Module.new {
- def self.const_missing(name)
- const_set(name, [name.to_s.sub(/ATTR_/, '')].pack('h*').freeze)
- end
- })
+ super
- generated_feature_methods
+ generated_association_methods
end
- def generated_feature_methods
- @generated_feature_methods ||= begin
- mod = const_set(:GeneratedFeatureMethods, Module.new)
+ def generated_association_methods
+ @generated_association_methods ||= begin
+ mod = const_set(:GeneratedAssociationMethods, Module.new)
include mod
mod
end
@@ -123,6 +118,8 @@ module ActiveRecord
super
elsif abstract_class?
"#{super}(abstract)"
+ elsif !connected?
+ "#{super} (call '#{super}.connection' to establish a connection)"
elsif table_exists?
attr_list = columns.map { |c| "#{c.name}: #{c.type}" } * ', '
"#{super}(#{attr_list})"
@@ -139,7 +136,7 @@ module ActiveRecord
# Returns an instance of <tt>Arel::Table</tt> loaded with the current table name.
#
# class Post < ActiveRecord::Base
- # scope :published_and_commented, published.and(self.arel_table[:comments_count].gt(0))
+ # scope :published_and_commented, -> { published.and(self.arel_table[:comments_count].gt(0)) }
# end
def arel_table
@arel_table ||= Arel::Table.new(table_name, arel_engine)
@@ -147,19 +144,18 @@ module ActiveRecord
# Returns the Arel engine.
def arel_engine
- @arel_engine ||= begin
+ @arel_engine ||=
if Base == self || connection_handler.retrieve_connection_pool(self)
self
else
superclass.arel_engine
end
- end
end
private
def relation #:nodoc:
- relation = Relation.new(self, arel_table)
+ relation = Relation.create(self, arel_table)
if finder_needs_type_condition?
relation.where(type_condition).create_with(inheritance_column.to_sym => sti_name)
@@ -177,19 +173,22 @@ module ActiveRecord
# ==== Example:
# # Instantiates a single new object
# User.new(first_name: 'Jamie')
- def initialize(attributes = nil)
+ def initialize(attributes = nil, options = {})
defaults = self.class.column_defaults.dup
defaults.each { |k, v| defaults[k] = v.dup if v.duplicable? }
@attributes = self.class.initialize_attributes(defaults)
- @columns_hash = self.class.column_types.dup
+ @column_types_override = nil
+ @column_types = self.class.column_types
init_internals
init_changed_attributes
ensure_proper_type
populate_with_current_scope_attributes
- assign_attributes(attributes) if attributes
+ # +options+ argument is only needed to make protected_attributes gem easier to hook.
+ # Remove it when we drop support to this gem.
+ init_attributes(attributes, options) if attributes
yield self if block_given?
run_callbacks :initialize unless _initialize_callbacks.empty?
@@ -207,7 +206,8 @@ module ActiveRecord
# post.title # => 'hello world'
def init_with(coder)
@attributes = self.class.initialize_attributes(coder['attributes'])
- @columns_hash = self.class.column_types.merge(coder['column_types'] || {})
+ @column_types_override = coder['column_types']
+ @column_types = self.class.column_types
init_internals
@@ -296,7 +296,7 @@ module ActiveRecord
def ==(comparison_object)
super ||
comparison_object.instance_of?(self.class) &&
- id.present? &&
+ id &&
comparison_object.id == id
end
alias :eql? :==
@@ -324,6 +324,8 @@ module ActiveRecord
def <=>(other_object)
if other_object.is_a?(self.class)
self.to_key <=> other_object.to_key
+ else
+ super
end
end
@@ -338,14 +340,6 @@ module ActiveRecord
@readonly = true
end
- # Returns the connection currently associated with the class. This can
- # also be used to "borrow" the connection to do database work that isn't
- # easily done without going straight to SQL.
- def connection
- ActiveSupport::Deprecation.warn("#connection is deprecated in favour of accessing it via the class")
- self.class.connection
- end
-
def connection_handler
self.class.connection_handler
end
@@ -368,7 +362,7 @@ module ActiveRecord
# Returns a hash of the given methods with their names as keys and returned values as values.
def slice(*methods)
- Hash[methods.map { |method| [method, public_send(method)] }].with_indifferent_access
+ Hash[methods.map! { |method| [method, public_send(method)] }].with_indifferent_access
end
def set_transaction_state(state) # :nodoc:
@@ -438,8 +432,6 @@ module ActiveRecord
@aggregation_cache = {}
@association_cache = {}
@attributes_cache = {}
- @previously_changed = {}
- @changed_attributes = {}
@readonly = false
@destroyed = false
@marked_for_destruction = false
@@ -456,8 +448,14 @@ module ActiveRecord
# optimistic locking) won't get written unless they get marked as changed
self.class.columns.each do |c|
attr, orig_value = c.name, c.default
- @changed_attributes[attr] = orig_value if _field_changed?(attr, orig_value, @attributes[attr])
+ changed_attributes[attr] = orig_value if _field_changed?(attr, orig_value, @attributes[attr])
end
end
+
+ # This method is needed to make protected_attributes gem easier to hook.
+ # Remove it when we drop support to this gem.
+ def init_attributes(attributes, options)
+ assign_attributes(attributes)
+ end
end
end