counter-cache

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Issue with running a migration on heroku

This is a follow up to this postRails, data structure and performance, where I have attempted to create a Counter Cache on Rails. To not have it to default 0, I have also added updating the column to[详细]

2023-04-07 16:30 分类：问答
Rails ActiveRecord :counter_cache not updated if assocation not set up before create. Intentional?

I\'ve implemented a belongs_to relation with :counter_cache => true and I notice that the counter cache does not get updated if the relation was not set up before the initial save.[详细]

2023-03-21 20:14 分类：问答
In cakephp - can I counterCache related models? eg: User -> Profile

I have a field member_count on my countries table. Profile belongsTo Country counterCache => \'member_count\',[详细]

2023-03-11 10:19 分类：问答
How can I invoke the after_save callback when using 'counter_cache'?

I have a model that has counter_cache enabled for an association: class Post belongs_to :author, :counter_cache => true[详细]

2023-03-03 06:27 分类：问答
cakephp Counter cache in nested model

i have nested model structure id parent_id counter name开发者_StackOverflow中文版 how to use automated counter cache Define it in the relationship definition.[详细]

2023-02-25 09:29 分类：问答
Avoiding individual database calls for count

My models look like this: class Movie < ActiveRecord::Base attr_accessible :title, :year, :rotten_id, :audience_score,[详细]

2023-02-18 17:03 分类：问答
Ruby on Rails counter cache error

I get the error Unknown key(s): counter_cache when trying to implement a counter cache column in my RoR app.[详细]

2023-02-18 00:39 分类：问答
Should I add an index on a counter-cache column in Ruby on Rails 3.0

Environment: Rails 3.0.4, MySQL, Ruby 1.8.7 I have the following table: create_table \"countries\", :force => true do |t|[详细]

2023-02-16 15:12 分类：问答
How to implement a Counter Cache in Rails?

I have a posts controller and a comments controller. Post has many comments, and comments belong to Post.[详细]

2023-01-01 16:43 分类：问答
Accessing ruby counter cache

I\'m playing around with a fork of acts_as_taggable_on_steroids as a learning exercise. The version I\'m looking at does some stuff I don\'t understand to calculate Tag counts. So I thought I\'d do a[详细]

2022-12-24 04:05 分类：问答