<commit_before>class AddIndexToRetiredWorkflows < ActiveRecord::Migration
  def change
    add_index :set_member_subjects, :retired_workflow_ids, using: :gin
  end
end<commit_msg>skip duplicate index if it exists<commit_after>class AddIndexToRetiredWorkflows < ActiveRecord::Migration
  def change
    unless index_exists?(:set_member_subjects, :retired_workflow_ids)
      add_index :set_member_subjects, :retired_workflow_ids, using: :gin
    end
  end
end
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{'dir': 'git-commits-cleaned', 'id': '529539', 'n_tokens_mistral': 147, 'n_tokens_neox': 148, 'n_words': 32}