presto-cassandra/src/main/java/io/prestosql/plugin/cassandra/CassandraMetadata.java/CassandraMetadata/getTableHandle
class CassandraMetadata:    @Override
    public CassandraTableHandle getTableHandle(ConnectorSession session, SchemaTableName tableName)
    {
        requireNonNull(tableName, "tableName is null");
        try {
            return cassandraSession.getTable(tableName).getTableHandle();
        }
        catch (TableNotFoundException | SchemaNotFoundException e) {
            // table was not found
            return null;
        }
    }