presto-cassandra/src/main/java/io/prestosql/plugin/cassandra/CassandraMetadata.java/CassandraMetadata/dropTable
class CassandraMetadata:    @Override
    public void dropTable(ConnectorSession session, ConnectorTableHandle tableHandle)
    {
        checkArgument(tableHandle instanceof CassandraTableHandle, "tableHandle is not an instance of CassandraTableHandle");

        if (!allowDropTable) {
            throw new PrestoException(PERMISSION_DENIED, "DROP TABLE is disabled in this Cassandra catalog");
        }

        CassandraTableHandle cassandraTableHandle = (CassandraTableHandle) tableHandle;
        if (cassandraSession.isMaterializedView(cassandraTableHandle.getSchemaTableName())) {
            throw new PrestoException(NOT_SUPPORTED, "Dropping materialized views not yet supported");
        }

        cassandraSession.execute(format("DROP TABLE \"%s\".\"%s\"", cassandraTableHandle.getSchemaName(), cassandraTableHandle.getTableName()));
    }