Frozen DateTime of Postgresql Backed DataObjects
Reported by Reza Prima | November 23rd, 2007 @ 11:52 AM
I followed Sinatra+DataMapper tutorial at http://blog.zerosum.org/2007/11/... using postgresql 8.1 and I bumped to a problem in displaying "created_at" field, stating TypeError: can't modify frozen object.
I tracked down the problem using irb and found that created_at is frozen and can not formatted with strftime nor to_s.
>> class Snippet < DataMapper::Base
>> property :body, :text
>> property :created_at, :datetime
>> property :updated_at, :datetime
>> end
=> :updated_at
>> @snippet = Snippet.find(2)
=> .....
>> p @snippet.created_at.to_s
TypeError: can't modify frozen object
from (eval):4:in `jd'
from /usr/lib/ruby/1.8/date.rb:1041:in `__26129__'
from (eval):4:in `civil'
from /usr/lib/ruby/1.8/date.rb:1056:in `year'
from /usr/lib/ruby/1.8/date/format.rb:230:in `strftime'
from /usr/lib/ruby/1.8/date/format.rb:201:in `gsub'
from /usr/lib/ruby/1.8/date/format.rb:201:in `strftime'
from /usr/lib/ruby/1.8/date/format.rb:1057:in `strftime'
from /usr/lib/ruby/1.8/date.rb:1343:in `to_s'
from (irb):19
Comments and changes to this ticket
-
Sam Smoot December 10th, 2007 @ 01:52 PM
- State changed from “new” to “resolved”
This should be resolved in trunk. Changed the behaviour of the loader over the weekend to #dup instead of #freeze for original_values.
-
comboy November 11th, 2008 @ 09:30 AM
- Tag set to “bug, dataobjects”
still broken in the edge (0.9.7)
-
comboy November 11th, 2008 @ 09:39 AM
argh, forgive me, too many tichets on oponed in one browser and I sent it into the wrong one.
Too bad lighthouse doesn't have option to delete own comments
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Rick