@Override
    public Mono<Void> beginTransaction(TransactionDefinition transactionDefinition) {
        log.debug("Clickhouse does not support transactions so skipping initialization of transaction.");
        return Mono.empty();
    }
Transactions are not supported so this is a no-op implementation,
clickhouse-r2dbc/src/main/java/com/clickhouse/r2dbc/connection/ClickHouseConnection.java