[Rails] How do I overwrite AR-created magic methods?

[Jeremy Kemper]

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Sascha Ebach wrote:
| how do I overwrite the size method that gets created by AR (or is it?).

Here is a patch which adds :counter_sql option for has_many.
~  http://dev.rubyonrails.org/trac.cgi/ticket/265

~  class Contentnode < ActiveRecord::Base
~    has_many :children, :class_name => 'Contentnode',
~             :finder_sql  => 'SELECT * FROM contentnodes ...'
~             :counter_sql => 'SELECT COUNT(*) FROM contentnodes ...'
~  end

Best,
jeremy
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