search for: decrement_count

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2006 Feb 27
0
Better counter_caches
Hey everybody, Rails currently offers ''belongs_to :counter_cache'', which is a very basic replacement for count triggers: ":counter_cache - caches the number of belonging objects on the associate class through use of increment_counter and decrement_counter. The counter cache is incremented when an object of this class is created and decremented when it?s destroyed. This requires that a column named "#{table_name}_count" (such as comments_count for a belonging Comment class) is used on the associate class (such as a Post class)."...
2006 Mar 24
6
Should counter_cache fields be saved in the database?
As far as I can tell, the counter_cache option on a belongs_to model doesn''t actually save anything in the database. For example, I have the following models: class Parent < ActiveRecord::Base has_many :children, :conditions => "deleted_at IS NULL" end class Child < ActiveRecord::Base belongs_to :parent, :counter_cache => true end With the following
2006 Jul 05
2
Serialized object behaves weird
Hi! I got a class named EinsatzFilter which I serialized to session. Before saving to session it works afterwards I keep getting the message: "undefined method `to_s'' for #<Person:0x38c6ab8>". "Person" is a from ActiveRecord::Base inherited class. Code: class EinsatzFilter include ApplicationHelper attr_reader :personen, :monat, :projekte, :kunde
2004 Oct 25
1
Rails 0.8: Just shy of 100 additions, changes, tweaks, and fixes!
...entries in the has_and_belongs_to_many join table didn''t get removed when an associated object was destroyed. * Fixed unnecessary calls to SET AUTOCOMMIT=0/1 for MySQL adapter [Andreas Schwarz] * Fixed PostgreSQL defaults are now handled gracefully [Dave Steinberg] * Fixed increment/decrement_counter are now atomic updates [Andreas Schwarz] * Fixed the problems the Inflector had turning Attachment into attuchments and Cases into Casis [radsaq/Florian Gross] * Fixed that cloned records would point attribute references on the parent object [Andreas Schwarz] * Fixed SQL for type call on...
2008 Jan 16
0
[CruiseControl] RubyOnRails build 8649 failed
...9;' ./test/../lib/active_record/base.rb:685:in `update_all'' ./test/../lib/active_record/base.rb:771:in `update_counters_without_lock'' ./test/../lib/active_record/locking/optimistic.rb:139:in `update_counters'' ./test/../lib/active_record/base.rb:807:in `decrement_counter'' ./test/../lib/active_record/callbacks.rb:309:in `callback'' ./test/../lib/active_record/callbacks.rb:309:in `callback'' ./test/../lib/active_record/callbacks.rb:304:in `each'' ./test/../lib/active_record/callbacks.rb:304:in `callback''...