<commit_before>class AddCategoryRefToExpense < ActiveRecord::Migration[5.0]
  def change
    add_reference :expenses, :category, index: true
  end
end<commit_msg>Remove index from Category->Expense reference<commit_after>class AddCategoryRefToExpense < ActiveRecord::Migration[5.0]
  def change
    add_reference :expenses, :category
  end
end
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{'dir': 'git-commits-cleaned', 'id': '3105135', 'n_tokens_mistral': 102, 'n_tokens_neox': 103, 'n_words': 25}