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-rw-r--r--activerecord/lib/active_record/associations/belongs_to_association.rb25
-rw-r--r--activerecord/lib/active_record/associations/has_one_association.rb56
-rw-r--r--activerecord/lib/active_record/associations/has_one_through_association.rb10
-rw-r--r--activerecord/lib/active_record/attribute_methods/dirty.rb80
-rw-r--r--activerecord/lib/active_record/autosave_association.rb7
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb11
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb8
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/transaction.rb37
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_adapter.rb5
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql/type_metadata.rb1
-rw-r--r--activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb27
-rw-r--r--activerecord/lib/active_record/log_subscriber.rb2
-rw-r--r--activerecord/lib/active_record/persistence.rb2
-rw-r--r--activerecord/lib/active_record/reflection.rb2
-rw-r--r--activerecord/lib/active_record/transactions.rb28
15 files changed, 169 insertions, 132 deletions
diff --git a/activerecord/lib/active_record/associations/belongs_to_association.rb b/activerecord/lib/active_record/associations/belongs_to_association.rb
index 1109fee462..c8716741b0 100644
--- a/activerecord/lib/active_record/associations/belongs_to_association.rb
+++ b/activerecord/lib/active_record/associations/belongs_to_association.rb
@@ -16,19 +16,6 @@ module ActiveRecord
end
end
- def replace(record)
- if record
- raise_on_type_mismatch!(record)
- update_counters_on_replace(record)
- set_inverse_instance(record)
- @updated = true
- else
- decrement_counters
- end
-
- self.target = record
- end
-
def target=(record)
replace_keys(record)
super
@@ -56,6 +43,18 @@ module ActiveRecord
end
private
+ def replace(record)
+ if record
+ raise_on_type_mismatch!(record)
+ update_counters_on_replace(record)
+ set_inverse_instance(record)
+ @updated = true
+ else
+ decrement_counters
+ end
+
+ self.target = record
+ end
def update_counters(by)
if require_counter_update? && foreign_key_present?
diff --git a/activerecord/lib/active_record/associations/has_one_association.rb b/activerecord/lib/active_record/associations/has_one_association.rb
index 4e8e7ee43b..d211884135 100644
--- a/activerecord/lib/active_record/associations/has_one_association.rb
+++ b/activerecord/lib/active_record/associations/has_one_association.rb
@@ -23,35 +23,6 @@ module ActiveRecord
end
end
- def replace(record, save = true)
- raise_on_type_mismatch!(record) if record
- load_target
-
- return target unless target || record
-
- assigning_another_record = target != record
- if assigning_another_record || record.has_changes_to_save?
- save &&= owner.persisted?
-
- transaction_if(save) do
- remove_target!(options[:dependent]) if target && !target.destroyed? && assigning_another_record
-
- if record
- set_owner_attributes(record)
- set_inverse_instance(record)
-
- if save && !record.save
- nullify_owner_attributes(record)
- set_owner_attributes(target) if target
- raise RecordNotSaved, "Failed to save the new associated #{reflection.name}."
- end
- end
- end
- end
-
- self.target = record
- end
-
def delete(method = options[:dependent])
if load_target
case method
@@ -68,6 +39,33 @@ module ActiveRecord
end
private
+ def replace(record, save = true)
+ raise_on_type_mismatch!(record) if record
+
+ return target unless load_target || record
+
+ assigning_another_record = target != record
+ if assigning_another_record || record.has_changes_to_save?
+ save &&= owner.persisted?
+
+ transaction_if(save) do
+ remove_target!(options[:dependent]) if target && !target.destroyed? && assigning_another_record
+
+ if record
+ set_owner_attributes(record)
+ set_inverse_instance(record)
+
+ if save && !record.save
+ nullify_owner_attributes(record)
+ set_owner_attributes(target) if target
+ raise RecordNotSaved, "Failed to save the new associated #{reflection.name}."
+ end
+ end
+ end
+ end
+
+ self.target = record
+ end
# The reason that the save param for replace is false, if for create (not just build),
# is because the setting of the foreign keys is actually handled by the scoping when
diff --git a/activerecord/lib/active_record/associations/has_one_through_association.rb b/activerecord/lib/active_record/associations/has_one_through_association.rb
index 019bf0729f..10978b2d93 100644
--- a/activerecord/lib/active_record/associations/has_one_through_association.rb
+++ b/activerecord/lib/active_record/associations/has_one_through_association.rb
@@ -6,12 +6,12 @@ module ActiveRecord
class HasOneThroughAssociation < HasOneAssociation #:nodoc:
include ThroughAssociation
- def replace(record, save = true)
- create_through_record(record, save)
- self.target = record
- end
-
private
+ def replace(record, save = true)
+ create_through_record(record, save)
+ self.target = record
+ end
+
def create_through_record(record, save)
ensure_not_nested
diff --git a/activerecord/lib/active_record/attribute_methods/dirty.rb b/activerecord/lib/active_record/attribute_methods/dirty.rb
index 7224f970e0..233ee29fac 100644
--- a/activerecord/lib/active_record/attribute_methods/dirty.rb
+++ b/activerecord/lib/active_record/attribute_methods/dirty.rb
@@ -39,11 +39,12 @@ module ActiveRecord
end
end
- # Did this attribute change when we last saved? This method can be invoked
- # as +saved_change_to_name?+ instead of <tt>saved_change_to_attribute?("name")</tt>.
- # Behaves similarly to +attribute_changed?+. This method is useful in
- # after callbacks to determine if the call to save changed a certain
- # attribute.
+ # Did this attribute change when we last saved?
+ #
+ # This method is useful in after callbacks to determine if an attribute
+ # was changed during the save that triggered the callbacks to run. It can
+ # be invoked as +saved_change_to_name?+ instead of
+ # <tt>saved_change_to_attribute?("name")</tt>.
#
# ==== Options
#
@@ -60,19 +61,20 @@ module ActiveRecord
# attribute was changed, the result will be an array containing the
# original value and the saved value.
#
- # Behaves similarly to +attribute_change+. This method is useful in after
- # callbacks, to see the change in an attribute that just occurred
- #
- # This method can be invoked as +saved_change_to_name+ in instead of
- # <tt>saved_change_to_attribute("name")</tt>
+ # This method is useful in after callbacks, to see the change in an
+ # attribute during the save that triggered the callbacks to run. It can be
+ # invoked as +saved_change_to_name+ instead of
+ # <tt>saved_change_to_attribute("name")</tt>.
def saved_change_to_attribute(attr_name)
mutations_before_last_save.change_to_attribute(attr_name)
end
# Returns the original value of an attribute before the last save.
- # Behaves similarly to +attribute_was+. This method is useful in after
- # callbacks to get the original value of an attribute before the save that
- # just occurred
+ #
+ # This method is useful in after callbacks to get the original value of an
+ # attribute before the save that triggered the callbacks to run. It can be
+ # invoked as +name_before_last_save+ instead of
+ # <tt>attribute_before_last_save("name")</tt>.
def attribute_before_last_save(attr_name)
mutations_before_last_save.original_value(attr_name)
end
@@ -87,39 +89,75 @@ module ActiveRecord
mutations_before_last_save.changes
end
- # Alias for +attribute_changed?+
+ # Will this attribute change the next time we save?
+ #
+ # This method is useful in validations and before callbacks to determine
+ # if the next call to +save+ will change a particular attribute. It can be
+ # invoked as +will_save_change_to_name?+ instead of
+ # <tt>will_save_change_to_attribute("name")</tt>.
+ #
+ # ==== Options
+ #
+ # +from+ When passed, this method will return false unless the original
+ # value is equal to the given option
+ #
+ # +to+ When passed, this method will return false unless the value will be
+ # changed to the given value
def will_save_change_to_attribute?(attr_name, **options)
mutations_from_database.changed?(attr_name, **options)
end
- # Alias for +attribute_change+
+ # Returns the change to an attribute that will be persisted during the
+ # next save.
+ #
+ # This method is useful in validations and before callbacks, to see the
+ # change to an attribute that will occur when the record is saved. It can
+ # be invoked as +name_change_to_be_saved+ instead of
+ # <tt>attribute_change_to_be_saved("name")</tt>.
+ #
+ # If the attribute will change, the result will be an array containing the
+ # original value and the new value about to be saved.
def attribute_change_to_be_saved(attr_name)
mutations_from_database.change_to_attribute(attr_name)
end
- # Alias for +attribute_was+
+ # Returns the value of an attribute in the database, as opposed to the
+ # in-memory value that will be persisted the next time the record is
+ # saved.
+ #
+ # This method is useful in validations and before callbacks, to see the
+ # original value of an attribute prior to any changes about to be
+ # saved. It can be invoked as +name_in_database+ instead of
+ # <tt>attribute_in_database("name")</tt>.
def attribute_in_database(attr_name)
mutations_from_database.original_value(attr_name)
end
- # Alias for +changed?+
+ # Will the next call to +save+ have any changes to persist?
def has_changes_to_save?
mutations_from_database.any_changes?
end
- # Alias for +changes+
+ # Returns a hash containing all the changes that will be persisted during
+ # the next save.
def changes_to_save
mutations_from_database.changes
end
- # Alias for +changed+
+ # Returns an array of the names of any attributes that will change when
+ # the record is next saved.
def changed_attribute_names_to_save
mutations_from_database.changed_attribute_names
end
- # Alias for +changed_attributes+
+ # Returns a hash of the attributes that will change when the record is
+ # next saved.
+ #
+ # The hash keys are the attribute names, and the hash values are the
+ # original attribute values in the database (as opposed to the in-memory
+ # values about to be saved).
def attributes_in_database
- changes_to_save.transform_values(&:first)
+ mutations_from_database.changed_values
end
private
diff --git a/activerecord/lib/active_record/autosave_association.rb b/activerecord/lib/active_record/autosave_association.rb
index a1250c3835..9575cc24c8 100644
--- a/activerecord/lib/active_record/autosave_association.rb
+++ b/activerecord/lib/active_record/autosave_association.rb
@@ -400,8 +400,11 @@ module ActiveRecord
if autosave != false && (@new_record_before_save || record.new_record?)
if autosave
saved = association.insert_record(record, false)
- else
- association.insert_record(record) unless reflection.nested?
+ elsif !reflection.nested?
+ association_saved = association.insert_record(record)
+ if reflection.validate?
+ saved = association_saved
+ end
end
elsif autosave
saved = record.save(validate: false)
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 6a498b353c..5f090d16cd 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
@@ -497,6 +497,9 @@ module ActiveRecord
# t.date
# t.binary
# t.boolean
+ # t.foreign_key
+ # t.json
+ # t.virtual
# t.remove
# t.remove_references
# t.remove_belongs_to
@@ -661,19 +664,19 @@ module ActiveRecord
# Adds a foreign key.
#
- # t.foreign_key(:authors)
+ # t.foreign_key(:authors)
#
# See {connection.add_foreign_key}[rdoc-ref:SchemaStatements#add_foreign_key]
- def foreign_key(*args) # :nodoc:
+ def foreign_key(*args)
@base.add_foreign_key(name, *args)
end
# Checks to see if a foreign key exists.
#
- # t.foreign_key(:authors) unless t.foreign_key_exists?(:authors)
+ # t.foreign_key(:authors) unless t.foreign_key_exists?(:authors)
#
# See {connection.foreign_key_exists?}[rdoc-ref:SchemaStatements#foreign_key_exists?]
- def foreign_key_exists?(*args) # :nodoc:
+ def foreign_key_exists?(*args)
@base.foreign_key_exists?(name, *args)
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 54dc917e99..199674f531 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -1062,13 +1062,7 @@ module ActiveRecord
if (duplicate = inserting.detect { |v| inserting.count(v) > 1 })
raise "Duplicate migration #{duplicate}. Please renumber your migrations to resolve the conflict."
end
- if supports_multi_insert?
- execute insert_versions_sql(inserting)
- else
- inserting.each do |v|
- execute insert_versions_sql(v)
- end
- end
+ execute insert_versions_sql(inserting)
end
end
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb b/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb
index 0ce3796829..b59df2fff7 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb
@@ -17,11 +17,19 @@ module ActiveRecord
end
def committed?
- @state == :committed
+ @state == :committed || @state == :fully_committed
+ end
+
+ def fully_committed?
+ @state == :fully_committed
end
def rolledback?
- @state == :rolledback
+ @state == :rolledback || @state == :fully_rolledback
+ end
+
+ def fully_rolledback?
+ @state == :fully_rolledback
end
def fully_completed?
@@ -55,10 +63,19 @@ module ActiveRecord
@state = :rolledback
end
+ def full_rollback!
+ @children.each { |c| c.rollback! }
+ @state = :fully_rolledback
+ end
+
def commit!
@state = :committed
end
+ def full_commit!
+ @state = :fully_committed
+ end
+
def nullify!
@state = nil
end
@@ -88,10 +105,6 @@ module ActiveRecord
records << record
end
- def rollback
- @state.rollback!
- end
-
def rollback_records
ite = records.uniq
while record = ite.shift
@@ -103,10 +116,6 @@ module ActiveRecord
end
end
- def commit
- @state.commit!
- end
-
def before_commit_records
records.uniq.each(&:before_committed!) if @run_commit_callbacks
end
@@ -145,12 +154,12 @@ module ActiveRecord
def rollback
connection.rollback_to_savepoint(savepoint_name)
- super
+ @state.rollback!
end
def commit
connection.release_savepoint(savepoint_name)
- super
+ @state.commit!
end
def full_rollback?; false; end
@@ -168,12 +177,12 @@ module ActiveRecord
def rollback
connection.rollback_db_transaction
- super
+ @state.full_rollback!
end
def commit
connection.commit_db_transaction
- super
+ @state.full_commit!
end
end
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
index 559f068c39..8bdf1712b1 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
@@ -137,6 +137,10 @@ module ActiveRecord
def <=>(version_string)
@version <=> version_string.split(".").map(&:to_i)
end
+
+ def to_s
+ @version.join(".")
+ end
end
def valid_type?(type) # :nodoc:
@@ -320,6 +324,7 @@ module ActiveRecord
def supports_multi_insert?
true
end
+ deprecate :supports_multi_insert?
# Does this adapter support virtual columns?
def supports_virtual_columns?
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/type_metadata.rb b/activerecord/lib/active_record/connection_adapters/postgresql/type_metadata.rb
index b252a76caa..ffd3be26b0 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/type_metadata.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/type_metadata.rb
@@ -1,6 +1,7 @@
# frozen_string_literal: true
module ActiveRecord
+ # :stopdoc:
module ConnectionAdapters
class PostgreSQLTypeMetadata < DelegateClass(SqlTypeMetadata)
undef to_yaml if method_defined?(:to_yaml)
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
index 800e731f06..544374586c 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
@@ -104,6 +104,10 @@ module ActiveRecord
@active = true
@statements = StatementPool.new(self.class.type_cast_config_to_integer(config[:statement_limit]))
+ if sqlite_version < "3.8.0"
+ raise "Your version of SQLite (#{sqlite_version}) is too old. Active Record supports SQLite >= 3.8."
+ end
+
configure_connection
end
@@ -116,7 +120,7 @@ module ActiveRecord
end
def supports_partial_index?
- sqlite_version >= "3.8.0"
+ true
end
def requires_reloading?
@@ -124,7 +128,7 @@ module ActiveRecord
end
def supports_foreign_keys_in_create?
- sqlite_version >= "3.6.19"
+ true
end
def supports_views?
@@ -139,10 +143,6 @@ module ActiveRecord
true
end
- def supports_multi_insert?
- sqlite_version >= "3.7.11"
- end
-
def active?
@active
end
@@ -187,13 +187,16 @@ module ActiveRecord
# REFERENTIAL INTEGRITY ====================================
def disable_referential_integrity # :nodoc:
- old = query_value("PRAGMA foreign_keys")
+ old_foreign_keys = query_value("PRAGMA foreign_keys")
+ old_defer_foreign_keys = query_value("PRAGMA defer_foreign_keys")
begin
+ execute("PRAGMA defer_foreign_keys = ON")
execute("PRAGMA foreign_keys = OFF")
yield
ensure
- execute("PRAGMA foreign_keys = #{old}")
+ execute("PRAGMA defer_foreign_keys = #{old_defer_foreign_keys}")
+ execute("PRAGMA foreign_keys = #{old_foreign_keys}")
end
end
@@ -407,9 +410,11 @@ module ActiveRecord
caller = lambda { |definition| yield definition if block_given? }
transaction do
- move_table(table_name, altered_table_name,
- options.merge(temporary: true))
- move_table(altered_table_name, table_name, &caller)
+ disable_referential_integrity do
+ move_table(table_name, altered_table_name,
+ options.merge(temporary: true))
+ move_table(altered_table_name, table_name, &caller)
+ end
end
end
diff --git a/activerecord/lib/active_record/log_subscriber.rb b/activerecord/lib/active_record/log_subscriber.rb
index 013c3765b2..cf884bc6da 100644
--- a/activerecord/lib/active_record/log_subscriber.rb
+++ b/activerecord/lib/active_record/log_subscriber.rb
@@ -104,7 +104,7 @@ module ActiveRecord
if source_line
if defined?(::Rails.root)
- app_root = "#{::Rails.root.to_s}/".freeze
+ app_root = "#{::Rails.root}/"
source_line = source_line.sub(app_root, "")
end
diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb
index c2393c1fc8..a0d5f1ee9f 100644
--- a/activerecord/lib/active_record/persistence.rb
+++ b/activerecord/lib/active_record/persistence.rb
@@ -373,7 +373,7 @@ module ActiveRecord
became = klass.allocate
became.send(:initialize)
became.instance_variable_set("@attributes", @attributes)
- became.instance_variable_set("@mutations_from_database", @mutations_from_database) if defined?(@mutations_from_database)
+ became.instance_variable_set("@mutations_from_database", @mutations_from_database ||= nil)
became.instance_variable_set("@changed_attributes", attributes_changed_by_setter)
became.instance_variable_set("@new_record", new_record?)
became.instance_variable_set("@destroyed", destroyed?)
diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb
index 2f43d005f3..22d195c9a4 100644
--- a/activerecord/lib/active_record/reflection.rb
+++ b/activerecord/lib/active_record/reflection.rb
@@ -417,7 +417,7 @@ module ActiveRecord
class AssociationReflection < MacroReflection #:nodoc:
def compute_class(name)
if polymorphic?
- raise ArgumentError, "Polymorphic association does not support to compute class."
+ raise ArgumentError, "Polymorphic associations do not support computing the class."
end
active_record.send(:compute_type, name)
end
diff --git a/activerecord/lib/active_record/transactions.rb b/activerecord/lib/active_record/transactions.rb
index be4f41050e..82adb19f5b 100644
--- a/activerecord/lib/active_record/transactions.rb
+++ b/activerecord/lib/active_record/transactions.rb
@@ -306,9 +306,7 @@ module ActiveRecord
end
def save(*) #:nodoc:
- rollback_active_record_state! do
- with_transaction_returning_status { super }
- end
+ with_transaction_returning_status { super }
end
def save!(*) #:nodoc:
@@ -319,17 +317,6 @@ module ActiveRecord
with_transaction_returning_status { super }
end
- # Reset id and @new_record if the transaction rolls back.
- def rollback_active_record_state!
- remember_transaction_record_state
- yield
- rescue Exception
- restore_transaction_record_state
- raise
- ensure
- clear_transaction_record_state
- end
-
def before_committed! # :nodoc:
_run_before_commit_without_transaction_enrollment_callbacks
_run_before_commit_callbacks
@@ -382,13 +369,7 @@ module ActiveRecord
status = nil
self.class.transaction do
add_to_transaction
- begin
- status = yield
- rescue ActiveRecord::Rollback
- clear_transaction_record_state
- status = nil
- end
-
+ status = yield
raise ActiveRecord::Rollback unless status
end
status
@@ -402,8 +383,8 @@ module ActiveRecord
# Save the new record state and id of a record so it can be restored later if a transaction fails.
def remember_transaction_record_state
- @_start_transaction_state[:id] = id
@_start_transaction_state.reverse_merge!(
+ id: id,
new_record: @new_record,
destroyed: @destroyed,
frozen?: frozen?,
@@ -491,7 +472,8 @@ module ActiveRecord
def update_attributes_from_transaction_state(transaction_state)
if transaction_state && transaction_state.finalized?
- restore_transaction_record_state if transaction_state.rolledback?
+ restore_transaction_record_state(transaction_state.fully_rolledback?) if transaction_state.rolledback?
+ force_clear_transaction_record_state if transaction_state.fully_committed?
clear_transaction_record_state if transaction_state.fully_completed?
end
end