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view db/migrate/20091017214406_add_missing_indexes_to_attachments.rb @ 245:051f544170fe

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* Update to SVN trunk revision 4993
author Chris Cannam
date Thu, 03 Mar 2011 11:42:28 +0000
parents 513646585e45
children
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class AddMissingIndexesToAttachments < ActiveRecord::Migration
  def self.up
    add_index :attachments, [:container_id, :container_type]
    add_index :attachments, :author_id
  end

  def self.down
    remove_index :attachments, :column => [:container_id, :container_type]
    remove_index :attachments, :author_id
  end
end