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Updated documentation for serialize

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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@512 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
This commit is contained in:
David Heinemeier Hansson 2005-01-25 20:00:20 +00:00
parent 10220d356d
commit 66f44e6cbb
2 changed files with 5 additions and 4 deletions
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7
activerecord/lib/active_record/base.rb
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@ -124,11 +124,11 @@ module ActiveRecord #:nodoc:
# user = User.create("preferences" => { "background" => "black", "display" => large })
# User.find(user.id).preferences # => { "background" => "black", "display" => large }
#
# You can also specify an optional :class_name option that'll raise an exception if a serialized object is retrieved as a
# You can also specify an class option as the second parameter that'll raise an exception if a serialized object is retrieved as a
# descendent of a class not in the hierarchy. Example:
#
# class User < ActiveRecord::Base
# serialize :preferences, :class_name => "Hash"
# serialize :preferences, Hash
# end
#
# user = User.create("preferences" => %w( one two three ))
@ -171,8 +171,7 @@ module ActiveRecord #:nodoc:
# * +AdapterNotSpecified+ -- the <tt>:adapter</tt> key used in <tt>establish_connection</tt> specified an unexisting adapter
# (or a bad spelling of an existing one).
# * +AssociationTypeMismatch+ -- the object assigned to the association wasn't of the type specified in the association definition.
# * +SerializationTypeMismatch+ -- the object serialized wasn't of the class specified in the <tt>:class_name</tt> option of
# the serialize definition.
# * +SerializationTypeMismatch+ -- the object serialized wasn't of the class specified as the second parameter.
# * +ConnectionNotEstablished+ -- no connection has been established. Use <tt>establish_connection</tt> before querying.
# * +RecordNotFound+ -- no record responded to the find* method.
# Either the row with the given ID doesn't exist or the row didn't meet the additional restrictions.

2
activerecord/test/base_test.rb
View file

@ -609,6 +609,8 @@ class BasicsTest < Test::Unit::TestCase
topic = Topic.create("content" => myobj)
Topic.serialize("content", MyObject)
assert_equal(myobj, topic.content)
assert_equal(myobj, topic.content)
end
def test_serialized_attribute_with_class_constraint