  
  
  class PercentRank(Func):
      function = 'PERCENT_RANK'
      name = 'PercentRank'
      output_field = FloatField()
      window_compatible = True
  
  
  class Rank(Func):
 
</s> remove     name = 'Rank'
 </s> add  </s> remove     name = 'CumeDist'
 </s> add  </s> remove     name = 'DenseRank'
 </s> add  </s> remove     name = 'RowNumber'
 </s> add  </s> remove     name = 'FirstValue'
 </s> add 
  
  
  class PercentRank(Func):
      function = 'PERCENT_RANK'

      output_field = FloatField()
      window_compatible = True
  
  
  class Rank(Func):
keep keep keep keep replace keep keep keep keep keep
 Refs #26608 -- Removed unneeded name attribute in window functions. 
django/db/models/functions/window.py