parameters: (self, q=None)
docstring: Return iterator to all documents that match query q.
          Should support empty query or direct values queries e.g.
  
          for doc in store.find({'phi': 0}):
              print (doc.data)
          for doc in store.find({'phi': 0, 'theta': 100}):
              print (doc.data)
docstring_summary: Return iterator to all documents that match query q.
          Should support empty query or direct values queries e.g.
docstring_tokens: Return iterator to all documents that match query q . Should support empty query or direct values queries e . g .
function: def find(self, q=None):
          """
          Return iterator to all documents that match query q.
          Should support empty query or direct values queries e.g.
  
          for doc in store.find({'phi': 0}):
              print (doc.data)
          for doc in store.find({'phi': 0, 'theta': 100}):
              print (doc.data)
  
          """
          raise RuntimeError("Subclasses must define this method")
function_tokens: def find ( self , q = None ) : raise RuntimeError ( "Subclasses must define this method" )