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-rw-r--r--activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb1
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb4
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_adapter.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb2
-rw-r--r--activerecord/lib/active_record/nested_attributes.rb27
5 files changed, 24 insertions, 12 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb b/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb
index 20372c5c18..ac31b636db 100644
--- a/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb
+++ b/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb
@@ -58,6 +58,7 @@ module ActiveRecord
end
time = time.in_time_zone rescue nil if time
write_attribute(:#{attr_name}, original_time)
+ #{attr_name}_will_change!
@attributes_cache["#{attr_name}"] = time
end
EOV
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 6bac05191d..2c210e5ba2 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -539,8 +539,8 @@ module ActiveRecord
# ===== Examples
# add_timestamps(:suppliers)
def add_timestamps(table_name)
- add_column table_name, :created_at, :datetime, :null => false
- add_column table_name, :updated_at, :datetime, :null => false
+ add_column table_name, :created_at, :datetime
+ add_column table_name, :updated_at, :datetime
end
# Removes the timestamp columns (created_at and updated_at) from the table definition.
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
index c6af682d28..594649189d 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
@@ -57,7 +57,7 @@ module ActiveRecord
define_callbacks :checkout, :checkin
attr_accessor :visitor, :pool
- attr_reader :schema_cache, :last_use, :in_use
+ attr_reader :schema_cache, :last_use, :in_use, :logger
alias :in_use? :in_use
def initialize(connection, logger = nil, pool = nil) #:nodoc:
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
index c85c4c6e51..3d8dfab05c 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb
@@ -202,7 +202,7 @@ module ActiveRecord
value = super
if column.type == :string && value.encoding == Encoding::ASCII_8BIT
- @logger.error "Binary data inserted for `string` type on column `#{column.name}`"
+ logger.error "Binary data inserted for `string` type on column `#{column.name}`" if logger
value.encode! 'utf-8'
end
value
diff --git a/activerecord/lib/active_record/nested_attributes.rb b/activerecord/lib/active_record/nested_attributes.rb
index 9e21039c4f..6bf0becad8 100644
--- a/activerecord/lib/active_record/nested_attributes.rb
+++ b/activerecord/lib/active_record/nested_attributes.rb
@@ -248,10 +248,18 @@ module ActiveRecord
# exception is raised. If omitted, any number associations can be processed.
# Note that the :limit option is only applicable to one-to-many associations.
# [:update_only]
- # Allows you to specify that an existing record may only be updated.
- # A new record may only be created when there is no existing record.
- # This option only works for one-to-one associations and is ignored for
- # collection associations. This option is off by default.
+ # For a one-to-one association, this option allows you to specify how
+ # nested attributes are to be used when an associated record already
+ # exists. In general, an existing record may either be updated with the
+ # new set of attribute values or be replaced by a wholly new record
+ # containing those values. By default the :update_only option is +false+
+ # and the nested attributes are used to update the existing record only
+ # if they include the record's <tt>:id</tt> value. Otherwise a new
+ # record will be instantiated and used to replace the existing one.
+ # However if the :update_only option is +true+, the nested attributes
+ # are used to update the record's attributes always, regardless of
+ # whether the <tt>:id</tt> is present. The option is ignored for collection
+ # associations.
#
# Examples:
# # creates avatar_attributes=
@@ -312,10 +320,13 @@ module ActiveRecord
# Assigns the given attributes to the association.
#
- # If update_only is false and the given attributes include an <tt>:id</tt>
- # that matches the existing record's id, then the existing record will be
- # modified. If update_only is true, a new record is only created when no
- # object exists. Otherwise a new record will be built.
+ # If an associated record does not yet exist, one will be instantiated. If
+ # an associated record already exists, the method's behavior depends on
+ # the value of the update_only option. If update_only is +false+ and the
+ # given attributes include an <tt>:id</tt> that matches the existing record's
+ # id, then the existing record will be modified. If no <tt>:id</tt> is provided
+ # it will be replaced with a new record. If update_only is +true+ the existing
+ # record will be modified regardless of whether an <tt>:id</tt> is provided.
#
# If the given attributes include a matching <tt>:id</tt> attribute, or
# update_only is true, and a <tt>:_destroy</tt> key set to a truthy value,