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-rw-r--r--activerecord/lib/active_record/aggregations.rb9
-rw-r--r--activerecord/lib/active_record/associations.rb2
-rw-r--r--activerecord/lib/active_record/associations/join_dependency.rb6
-rw-r--r--activerecord/lib/active_record/attribute.rb32
-rw-r--r--activerecord/lib/active_record/attribute_set.rb3
-rw-r--r--activerecord/lib/active_record/attribute_set/builder.rb2
-rw-r--r--activerecord/lib/active_record/attribute_set/yaml_encoder.rb39
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb9
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb13
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb4
-rw-r--r--activerecord/lib/active_record/core.rb10
-rw-r--r--activerecord/lib/active_record/fixtures.rb2
-rw-r--r--activerecord/lib/active_record/legacy_yaml_adapter.rb2
-rw-r--r--activerecord/lib/active_record/model_schema.rb5
-rw-r--r--activerecord/lib/active_record/relation.rb7
-rw-r--r--activerecord/lib/active_record/relation/finder_methods.rb16
-rw-r--r--activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb5
-rw-r--r--activerecord/lib/active_record/relation/query_methods.rb2
18 files changed, 120 insertions, 48 deletions
diff --git a/activerecord/lib/active_record/aggregations.rb b/activerecord/lib/active_record/aggregations.rb
index 3ff41ed81b..8bed5bca28 100644
--- a/activerecord/lib/active_record/aggregations.rb
+++ b/activerecord/lib/active_record/aggregations.rb
@@ -256,15 +256,16 @@ module ActiveRecord
def writer_method(name, class_name, mapping, allow_nil, converter)
define_method("#{name}=") do |part|
klass = class_name.constantize
- if part.is_a?(Hash)
- raise ArgumentError unless part.size == part.keys.max
- part = klass.new(*part.sort.map(&:last))
- end
unless part.is_a?(klass) || converter.nil? || part.nil?
part = converter.respond_to?(:call) ? converter.call(part) : klass.send(converter, part)
end
+ if part.is_a?(Hash)
+ raise ArgumentError unless part.size == part.keys.max
+ part = klass.new(*part.sort.map(&:last))
+ end
+
if part.nil? && allow_nil
mapping.each { |key, _| self[key] = nil }
@aggregation_cache[name] = nil
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index ec9b073c18..3729e22e64 100644
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -300,7 +300,7 @@ module ActiveRecord
#
# === A word of warning
#
- # Don't create associations that have the same name as [instance methods](http://api.rubyonrails.org/classes/ActiveRecord/Core.html) of
+ # Don't create associations that have the same name as {instance methods}[rdoc-ref:ActiveRecord::Core] of
# <tt>ActiveRecord::Base</tt>. Since the association adds a method with that name to
# its model, using an association with the same name as one provided by <tt>ActiveRecord::Base</tt> will override the method inherited through <tt>ActiveRecord::Base</tt> and will break things.
# For instance, +attributes+ and +connection+ would be bad choices for association names, because those names already exist in the list of <tt>ActiveRecord::Base</tt> instance methods.
diff --git a/activerecord/lib/active_record/associations/join_dependency.rb b/activerecord/lib/active_record/associations/join_dependency.rb
index b94feeff12..491152bbcb 100644
--- a/activerecord/lib/active_record/associations/join_dependency.rb
+++ b/activerecord/lib/active_record/associations/join_dependency.rb
@@ -92,8 +92,9 @@ module ActiveRecord
# associations # => [:appointments]
# joins # => []
#
- def initialize(base, associations, joins)
+ def initialize(base, associations, joins, eager_loading: true)
@alias_tracker = AliasTracker.create_with_joins(base.connection, base.table_name, joins, base.type_caster)
+ @eager_loading = eager_loading
tree = self.class.make_tree associations
@join_root = JoinBase.new base, build(tree, base)
@join_root.children.each { |child| construct_tables! @join_root, child }
@@ -238,11 +239,12 @@ module ActiveRecord
reflection.check_eager_loadable!
if reflection.polymorphic?
+ next unless @eager_loading
raise EagerLoadPolymorphicError.new(reflection)
end
JoinAssociation.new reflection, build(right, reflection.klass)
- end
+ end.compact
end
def construct(ar_parent, parent, row, rs, seen, model_cache, aliases)
diff --git a/activerecord/lib/active_record/attribute.rb b/activerecord/lib/active_record/attribute.rb
index 24231dc9e1..9530f134d0 100644
--- a/activerecord/lib/active_record/attribute.rb
+++ b/activerecord/lib/active_record/attribute.rb
@@ -77,7 +77,11 @@ module ActiveRecord
end
def with_type(type)
- self.class.new(name, value_before_type_cast, type, original_attribute)
+ if changed_in_place?
+ with_value_from_user(value).with_type(type)
+ else
+ self.class.new(name, value_before_type_cast, type, original_attribute)
+ end
end
def type_cast(*)
@@ -108,6 +112,22 @@ module ActiveRecord
[self.class, name, value_before_type_cast, type].hash
end
+ def init_with(coder)
+ @name = coder["name"]
+ @value_before_type_cast = coder["value_before_type_cast"]
+ @type = coder["type"]
+ @original_attribute = coder["original_attribute"]
+ @value = coder["value"] if coder.map.key?("value")
+ end
+
+ def encode_with(coder)
+ coder["name"] = name
+ coder["value_before_type_cast"] = value_before_type_cast if value_before_type_cast
+ coder["type"] = type if type
+ coder["original_attribute"] = original_attribute if original_attribute
+ coder["value"] = value if defined?(@value)
+ end
+
protected
attr_reader :original_attribute
@@ -185,6 +205,8 @@ module ActiveRecord
end
class Uninitialized < Attribute # :nodoc:
+ UNINITIALIZED_ORIGINAL_VALUE = Object.new
+
def initialize(name, type)
super(name, nil, type)
end
@@ -195,12 +217,20 @@ module ActiveRecord
end
end
+ def original_value
+ UNINITIALIZED_ORIGINAL_VALUE
+ end
+
def value_for_database
end
def initialized?
false
end
+
+ def with_type(type)
+ self.class.new(name, type)
+ end
end
private_constant :FromDatabase, :FromUser, :Null, :Uninitialized, :WithCastValue
end
diff --git a/activerecord/lib/active_record/attribute_set.rb b/activerecord/lib/active_record/attribute_set.rb
index be581ac2a9..720d5f8b7c 100644
--- a/activerecord/lib/active_record/attribute_set.rb
+++ b/activerecord/lib/active_record/attribute_set.rb
@@ -1,7 +1,10 @@
require 'active_record/attribute_set/builder'
+require 'active_record/attribute_set/yaml_encoder'
module ActiveRecord
class AttributeSet # :nodoc:
+ delegate :each_value, to: :attributes
+
def initialize(attributes)
@attributes = attributes
end
diff --git a/activerecord/lib/active_record/attribute_set/builder.rb b/activerecord/lib/active_record/attribute_set/builder.rb
index 3bd7c7997b..24a255efc1 100644
--- a/activerecord/lib/active_record/attribute_set/builder.rb
+++ b/activerecord/lib/active_record/attribute_set/builder.rb
@@ -22,7 +22,7 @@ module ActiveRecord
end
class LazyAttributeHash # :nodoc:
- delegate :transform_values, :each_key, to: :materialize
+ delegate :transform_values, :each_key, :each_value, to: :materialize
def initialize(types, values, additional_types)
@types = types
diff --git a/activerecord/lib/active_record/attribute_set/yaml_encoder.rb b/activerecord/lib/active_record/attribute_set/yaml_encoder.rb
new file mode 100644
index 0000000000..6208048231
--- /dev/null
+++ b/activerecord/lib/active_record/attribute_set/yaml_encoder.rb
@@ -0,0 +1,39 @@
+module ActiveRecord
+ class AttributeSet
+ # Attempts to do more intelligent YAML dumping of an
+ # ActiveRecord::AttributeSet to reduce the size of the resulting string
+ class YAMLEncoder
+ def initialize(default_types)
+ @default_types = default_types
+ end
+
+ def encode(attribute_set, coder)
+ coder['concise_attributes'] = attribute_set.each_value.map do |attr|
+ if attr.type.equal?(default_types[attr.name])
+ attr.with_type(nil)
+ else
+ attr
+ end
+ end
+ end
+
+ def decode(coder)
+ if coder['attributes']
+ coder['attributes']
+ else
+ attributes_hash = Hash[coder['concise_attributes'].map do |attr|
+ if attr.type.nil?
+ attr = attr.with_type(default_types[attr.name])
+ end
+ [attr.name, attr]
+ end]
+ AttributeSet.new(attributes_hash)
+ end
+ end
+
+ protected
+
+ attr_reader :default_types
+ end
+ end
+end
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
index bbb0e9249d..8dbafc5a4b 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
@@ -51,11 +51,12 @@ module ActiveRecord
options[:primary_key] != default_primary_key
end
- def defined_for?(options_or_to_table = {})
- if options_or_to_table.is_a?(Hash)
- options_or_to_table.all? {|key, value| options[key].to_s == value.to_s }
+ def defined_for?(to_table_ord = nil, to_table: nil, **options)
+ if to_table_ord
+ self.to_table == to_table_ord.to_s
else
- to_table == options_or_to_table.to_s
+ (to_table.nil? || to_table.to_s == self.to_table) &&
+ options.all? { |k, v| self.options[k].to_s == v.to_s }
end
end
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
index 99a3e99bdc..5939ee9956 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -847,14 +847,19 @@ module ActiveRecord
#
# remove_reference(:products, :user, index: true, foreign_key: true)
#
- def remove_reference(table_name, ref_name, options = {})
- if options[:foreign_key]
+ def remove_reference(table_name, ref_name, foreign_key: false, polymorphic: false, **options)
+ if foreign_key
reference_name = Base.pluralize_table_names ? ref_name.to_s.pluralize : ref_name
- remove_foreign_key(table_name, reference_name)
+ if foreign_key.is_a?(Hash)
+ foreign_key_options = foreign_key
+ else
+ foreign_key_options = { to_table: reference_name }
+ end
+ remove_foreign_key(table_name, **foreign_key_options)
end
remove_column(table_name, "#{ref_name}_id")
- remove_column(table_name, "#{ref_name}_type") if options[:polymorphic]
+ remove_column(table_name, "#{ref_name}_type") if polymorphic
end
alias :remove_belongs_to :remove_reference
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
index 44b4b547f3..718a6c5b91 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -41,14 +41,14 @@ module ActiveRecord
NATIVE_DATABASE_TYPES = {
primary_key: "int auto_increment PRIMARY KEY",
string: { name: "varchar", limit: 255 },
- text: { name: "text" },
+ text: { name: "text", limit: 65535 },
integer: { name: "int", limit: 4 },
float: { name: "float" },
decimal: { name: "decimal" },
datetime: { name: "datetime" },
time: { name: "time" },
date: { name: "date" },
- binary: { name: "blob" },
+ binary: { name: "blob", limit: 65535 },
boolean: { name: "tinyint", limit: 1 },
json: { name: "json" },
}
diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb
index f936e865e4..de337b24d6 100644
--- a/activerecord/lib/active_record/core.rb
+++ b/activerecord/lib/active_record/core.rb
@@ -338,7 +338,7 @@ module ActiveRecord
# post.title # => 'hello world'
def init_with(coder)
coder = LegacyYamlAdapter.convert(self.class, coder)
- @attributes = coder['attributes']
+ @attributes = self.class.yaml_encoder.decode(coder)
init_internals
@@ -404,11 +404,9 @@ module ActiveRecord
# Post.new.encode_with(coder)
# coder # => {"attributes" => {"id" => nil, ... }}
def encode_with(coder)
- # FIXME: Remove this when we better serialize attributes
- coder['raw_attributes'] = attributes_before_type_cast
- coder['attributes'] = @attributes
+ self.class.yaml_encoder.encode(@attributes, coder)
coder['new_record'] = new_record?
- coder['active_record_yaml_version'] = 1
+ coder['active_record_yaml_version'] = 2
end
# Returns true if +comparison_object+ is the same exact object, or +comparison_object+
@@ -432,7 +430,7 @@ module ActiveRecord
# [ Person.find(1), Person.find(2), Person.find(3) ] & [ Person.find(1), Person.find(4) ] # => [ Person.find(1) ]
def hash
if id
- id.hash
+ [self.class, id].hash
else
super
end
diff --git a/activerecord/lib/active_record/fixtures.rb b/activerecord/lib/active_record/fixtures.rb
index ed1bbf5dcd..51bf12d0bf 100644
--- a/activerecord/lib/active_record/fixtures.rb
+++ b/activerecord/lib/active_record/fixtures.rb
@@ -66,7 +66,7 @@ module ActiveRecord
# By default, +test_helper.rb+ will load all of your fixtures into your test
# database, so this test will succeed.
#
- # The testing environment will automatically load the all fixtures into the database before each
+ # The testing environment will automatically load all the fixtures into the database before each
# test. To ensure consistent data, the environment deletes the fixtures before running the load.
#
# In addition to being available in the database, the fixture's data may also be accessed by
diff --git a/activerecord/lib/active_record/legacy_yaml_adapter.rb b/activerecord/lib/active_record/legacy_yaml_adapter.rb
index 89dee58423..c7683f68c7 100644
--- a/activerecord/lib/active_record/legacy_yaml_adapter.rb
+++ b/activerecord/lib/active_record/legacy_yaml_adapter.rb
@@ -4,7 +4,7 @@ module ActiveRecord
return coder unless coder.is_a?(Psych::Coder)
case coder["active_record_yaml_version"]
- when 1 then coder
+ when 1, 2 then coder
else
if coder["attributes"].is_a?(AttributeSet)
Rails420.convert(klass, coder)
diff --git a/activerecord/lib/active_record/model_schema.rb b/activerecord/lib/active_record/model_schema.rb
index f691a8319d..7996c32bbc 100644
--- a/activerecord/lib/active_record/model_schema.rb
+++ b/activerecord/lib/active_record/model_schema.rb
@@ -267,6 +267,10 @@ module ActiveRecord
@attribute_types ||= Hash.new(Type::Value.new)
end
+ def yaml_encoder # :nodoc:
+ @yaml_encoder ||= AttributeSet::YAMLEncoder.new(attribute_types)
+ end
+
# Returns the type of the attribute with the given name, after applying
# all modifiers. This method is the only valid source of information for
# anything related to the types of a model's attributes. This method will
@@ -375,6 +379,7 @@ module ActiveRecord
@columns = nil
@columns_hash = nil
@attribute_names = nil
+ @yaml_encoder = nil
direct_descendants.each do |descendant|
descendant.send(:reload_schema_from_cache)
end
diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb
index d042fe5f8b..7a1552856b 100644
--- a/activerecord/lib/active_record/relation.rb
+++ b/activerecord/lib/active_record/relation.rb
@@ -279,12 +279,7 @@ module ActiveRecord
def empty?
return @records.empty? if loaded?
- if limit_value == 0
- true
- else
- c = count(:all)
- c.respond_to?(:zero?) ? c.zero? : c.empty?
- end
+ limit_value == 0 || !exists?
end
# Returns true if there are no records.
diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb
index e7e331f88d..882605de31 100644
--- a/activerecord/lib/active_record/relation/finder_methods.rb
+++ b/activerecord/lib/active_record/relation/finder_methods.rb
@@ -318,7 +318,7 @@ module ActiveRecord
return false if !conditions
- relation = apply_join_dependency(self, construct_join_dependency)
+ relation = apply_join_dependency(self, construct_join_dependency(eager_loading: false))
return false if ActiveRecord::NullRelation === relation
relation = relation.except(:select, :order).select(ONE_AS_ONE).limit(1)
@@ -392,21 +392,13 @@ module ActiveRecord
end
end
- def construct_join_dependency(joins = [])
+ def construct_join_dependency(joins = [], eager_loading: true)
including = eager_load_values + includes_values
- ActiveRecord::Associations::JoinDependency.new(@klass, including, joins)
+ ActiveRecord::Associations::JoinDependency.new(@klass, including, joins, eager_loading: eager_loading)
end
def construct_relation_for_association_calculations
- from = arel.froms.first
- if Arel::Table === from
- apply_join_dependency(self, construct_join_dependency(joins_values))
- else
- # FIXME: as far as I can tell, `from` will always be an Arel::Table.
- # There are no tests that test this branch, but presumably it's
- # possible for `from` to be a list?
- apply_join_dependency(self, construct_join_dependency(from))
- end
+ apply_join_dependency(self, construct_join_dependency(joins_values))
end
def apply_join_dependency(relation, join_dependency)
diff --git a/activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb b/activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb
index d7fd878265..413cb9fd84 100644
--- a/activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb
+++ b/activerecord/lib/active_record/relation/predicate_builder/association_query_handler.rb
@@ -2,13 +2,14 @@ module ActiveRecord
class PredicateBuilder
class AssociationQueryHandler # :nodoc:
def self.value_for(table, column, value)
- klass = if table.associated_table(column).polymorphic_association? && ::Array === value && value.first.is_a?(Base)
+ associated_table = table.associated_table(column)
+ klass = if associated_table.polymorphic_association? && ::Array === value && value.first.is_a?(Base)
PolymorphicArrayValue
else
AssociationQueryValue
end
- klass.new(table.associated_table(column), value)
+ klass.new(associated_table, value)
end
def initialize(predicate_builder)
diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb
index 2a831c2017..8a87015e44 100644
--- a/activerecord/lib/active_record/relation/query_methods.rb
+++ b/activerecord/lib/active_record/relation/query_methods.rb
@@ -658,7 +658,7 @@ module ActiveRecord
# present). Neither relation may have a #limit, #offset, or #distinct set.
#
# Post.where("id = 1").or(Post.where("author_id = 3"))
- # # SELECT `posts`.* FROM `posts` WHERE (('id = 1' OR 'author_id = 3'))
+ # # SELECT `posts`.* FROM `posts` WHERE ((id = 1) OR (author_id = 3))
#
def or(other)
unless other.is_a? Relation