Extract the actual query (not pattern) from operations.

def actual_query(self):
        """Extract the actual query (not pattern) from operations."""
        if not self._actual_query:

            # trigger evaluation of operation
            if (self.operation in ['query', 'getmore', 'update', 'remove'] or
                    self.command in ['count', 'findandmodify']):
                self._actual_query = self._find_pattern('query: ', actual=True)
            elif self.command == 'find':
                self._actual_query = self._find_pattern('filter: ',
                                                        actual=True)

        return self._actual_query