  
      Creates an index (B-Tree) in the database.
  
  ``fields``
  -----------
  
  .. attribute:: Index.fields
  
  A list of the name of the fields on which the index is desired.
  
 
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----------
  
      Creates an index (B-Tree) in the database.
  
  ``fields``
----------
  
  .. attribute:: Index.fields
  
  A list of the name of the fields on which the index is desired.
  
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docs/ref/models/indexes.txt