should be it

external/duckdb/test/sql/pivot/pivot_generated.test

@@ -0,0 +1,28 @@
+# name: test/sql/pivot/pivot_generated.test
+# description: Test pivot over generated columns
+# group: [pivot]
+
+statement ok
+PRAGMA enable_verification
+
+statement ok
+CREATE TABLE Product(DaysToManufacture int, StandardCost int GENERATED ALWAYS AS (DaysToManufacture * 5));
+
+statement ok
+INSERT INTO Product VALUES (0), (1), (2), (4);
+
+query IIIIII
+SELECT 'AverageCost' AS Cost_Sorted_By_Production_Days,
+  "0", "1", "2", "3", "4"
+FROM
+(
+  SELECT DaysToManufacture, StandardCost
+  FROM Product
+) AS SourceTable
+PIVOT
+(
+  AVG(StandardCost)
+  FOR DaysToManufacture IN (0, 1, 2, 3, 4)
+) AS PivotTable;
+----
+AverageCost	0.0	5.0	10.0	NULL	20.0