text: -- Name: ForInsertingDupSopsEquivalenceClasses
  -- Schema: posda_files
  -- Columns: []
  -- Args: ['equiv_class', 'subprocess_invocation_id', 'sop_index']
  -- Tags: ['dup_sops']
  -- Description: A query for adding equiv_class for Dup SOP comparisons in a timepoint
  -- 
  
  update dup_sops_comparison
    set equiv_class = ?
  where
    subprocess_invocation_id = ? and
    sop_index = ?