presto-cassandra/src/main/java/io/prestosql/plugin/cassandra/NativeCassandraSession.java/NativeCassandraSession/addWhereInClauses
class NativeCassandraSession:    private static void addWhereInClauses(Where where, List<CassandraColumnHandle> partitionKeyColumns, List<Set<Object>> filterPrefixes)
    {
        for (int i = 0; i < filterPrefixes.size(); i++) {
            CassandraColumnHandle column = partitionKeyColumns.get(i);
            List<Object> values = filterPrefixes.get(i)
                    .stream()
                    .map(value -> column.getCassandraType().getJavaValue(value))
                    .collect(toList());
            Clause clause = QueryBuilder.in(CassandraCqlUtils.validColumnName(column.getName()), values);
            where.and(clause);
        }
    }