Python null Examples

Example #1

File: builders.py Project: bcajes/hail

    def or_missing(self):
        """Finish the case statement by returning missing.

        Notes
        -----
        If no condition from a :meth:`.CaseBuilder.when` call is ``True``, then
        the result is missing.

        Parameters
        ----------
        then : :class:`.Expression`

        Returns
        -------
        :class:`.Expression`
        """
        if len(self._cases) == 0:
            raise ExpressionException("'or_missing' cannot be called without at least one 'when' call")
        from hail.expr.functions import null
        return self._finish(null(self._ret_type))

Example #2

File: builders.py Project: shulik7/hail

    def or_missing(self):
        """Finish the case statement by returning missing.

        Notes
        -----
        If no condition from a :meth:`.CaseBuilder.when` call is ``True``, then
        the result is missing.

        Parameters
        ----------
        then : :class:`.Expression`

        Returns
        -------
        :class:`.Expression`
        """
        if len(self._cases) == 0:
            raise ExpressionException("'or_missing' cannot be called without at least one 'when' call")
        from hail.expr.functions import null
        return self._finish(null(self._ret_type))