method

add_counter_cache_callbacks

v5.0.0.1 - Show latest stable - 0 notes - Class: BelongsTo

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add_counter_cache_callbacks(model, reflection) public

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# File activerecord/lib/active_record/associations/builder/belongs_to.rb, line 62
    def self.add_counter_cache_callbacks(model, reflection)
      cache_column = reflection.counter_cache_column

      model.after_update lambda { |record|
        record.belongs_to_counter_cache_after_update(reflection)
      }

      klass = reflection.class_name.safe_constantize
      klass.attr_readonly cache_column if klass && klass.respond_to?(:attr_readonly)
    end

add_counter_cache_callbacks

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