<commit_before>class AddIndexOnUsersPersistenceToken < ActiveRecord::Migration
  def change
    add_index :users, :persistence_token
  end
end<commit_msg>AddIndexOnUsersPersistenceToken will no longer add index on persistence_token if User constant is defined<commit_after>class AddIndexOnUsersPersistenceToken < ActiveRecord::Migration
  def change
    unless defined?(User)
      add_index :users, :persistence_token
    end
  end
end
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{'dir': 'git-commits-cleaned', 'id': '5034794', 'n_tokens_mistral': 116, 'n_tokens_neox': 119, 'n_words': 34}