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root / db / migrate / 078_add_custom_fields_position.rb @ 1298:4f746d8966dd

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class AddCustomFieldsPosition < ActiveRecord::Migration
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  def self.up
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    add_column(:custom_fields, :position, :integer, :default => 1)
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    CustomField.all.group_by(&:type).each  do |t, fields|
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      fields.each_with_index do |field, i|
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        # do not call model callbacks
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        CustomField.update_all "position = #{i+1}", {:id => field.id}
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      end
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    end
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  end
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  def self.down


      

      

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    remove_column :custom_fields, :position


      

      

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  end


      

      

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end