def delete(self):
        # validate where clause
        partition_keys = set(x.db_field_name for x in self.model._partition_keys.values())
        if partition_keys - set(c.field for c in self._where):
            raise QueryException("The partition key must be defined on delete queries")

        dq = DeleteStatement(
            self.column_family_name,
            where=self._where,
            timestamp=self._timestamp,
            conditionals=self._conditional,
            if_exists=self._if_exists
        )
        self._execute(dq)
Takes a country specfic decimal value as string and returns a float.
dataset/ETHPy150Open datastax/python-driver/cassandra/cqlengine/query.py/AbstractQuerySet.delete--crossover with--dataset/ETHPy150Open diefenbach/django-lfs/lfs/core/utils.py/l10n_float