CLUSTER BY is succesfully executed at Spark version3.4.

But, It failed when I ran the same code at Spark version3.5.

%%sql
SELECT SalesOrderLineNumber, SalesOrderNumber,'' as CustomerName, SUM(Quantity), SUM(UnitPrice), SUM(TaxAmount)
FROM sales_df
GROUP BY SalesOrderLineNumber, SalesOrderNumber

UNION ALL

SELECT SalesOrderLineNumber,'' as SalesOrderNumber, CustomerName, SUM(Quantity), SUM(UnitPrice), SUM(TaxAmount)
FROM sales_df
GROUP BY SalesOrderLineNumber, CustomerName

UNION ALL

SELECT '' asSalesOrderLineNumber, SalesOrderNumber, CustomerName, SUM(Quantity), SUM(UnitPrice), SUM(TaxAmount)
FROM sales_df
GROUP BY SalesOrderNumber, CustomerName

CLUSTER BY (SalesOrderLineNumber, SalesOrderNumber)

Does Spark 3.5 support CLUSTER BY function?