should be it

external/duckdb/test/sql/window/test_invalid_window.test

@@ -0,0 +1,133 @@
+# name: test/sql/window/test_invalid_window.test
+# description: Illegal window function
+# group: [window]
+
+statement ok
+PRAGMA enable_verification
+
+statement ok
+CREATE TABLE empsalary (depname varchar, empno bigint, salary int, enroll_date date)
+
+statement ok
+INSERT INTO empsalary VALUES ('develop', 10, 5200, '2007-08-01'), ('sales', 1, 5000, '2006-10-01'), ('personnel', 5, 3500, '2007-12-10'), ('sales', 4, 4800, '2007-08-08'), ('personnel', 2, 3900, '2006-12-23'), ('develop', 7, 4200, '2008-01-01'), ('develop', 9, 4500, '2008-01-01'), ('sales', 3, 4800, '2007-08-01'), ('develop', 8, 6000, '2006-10-01'), ('develop', 11, 5200, '2007-08-15')
+
+# GROUP BY window function is not allowed
+statement error
+SELECT depname, min(salary) OVER (PARTITION BY depname ORDER BY salary, empno) m1 FROM empsalary GROUP BY m1 ORDER BY depname, empno
+----
+
+statement error
+select row_number() over (range between unbounded following and unbounded preceding);
+----
+
+statement error
+select row_number() over (range between unbounded preceding and unbounded preceding);
+----
+
+# ORDER BY is now implemented for window functions!
+query I
+select LIST(salary ORDER BY enroll_date, salary) OVER (PARTITION BY depname) FROM empsalary
+ORDER BY ALL DESC
+----
+[6000, 5200, 5200, 4200, 4500]
+[6000, 5200, 5200, 4200, 4500]
+[6000, 5200, 5200, 4200, 4500]
+[6000, 5200, 5200, 4200, 4500]
+[6000, 5200, 5200, 4200, 4500]
+[5000, 4800, 4800]
+[5000, 4800, 4800]
+[5000, 4800, 4800]
+[3900, 3500]
+[3900, 3500]
+
+# GROUPS frame spec is now implemented for window functions!
+query I
+SELECT sum(i) OVER (ORDER BY i GROUPS 1 PRECEDING) 
+FROM generate_series(1,10) AS _(i)
+ORDER BY i
+----
+1
+3
+5
+7
+9
+11
+13
+15
+17
+19
+
+# Invalid window names
+foreach invalid PARTITION RANGE ROWS GROUPS
+
+statement error
+SELECT array_agg(i) OVER (${invalid} ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
+FROM generate_series(1,5) AS _(i)
+WINDOW ${invalid} AS (ORDER BY i);
+----
+syntax error at or near
+
+endloop
+
+# Framed non-aggregate functions can't handle EXCLUDE
+foreach func lead lag ntile
+
+statement error
+SELECT 
+	i,
+	${func}(i ORDER BY i // 2, i) OVER (
+		ORDER BY i // 2
+		ROWS BETWEEN 3 PRECEDING AND 3 FOLLOWING 
+		EXCLUDE TIES
+	) AS f,
+FROM range(10) tbl(i)
+ORDER BY i;
+----
+EXCLUDE is not supported for the window function
+
+statement error
+SELECT 
+	i,
+	lead(i ORDER BY i // 2, i) OVER w AS f,
+FROM range(10) tbl(i)
+WINDOW w AS (
+		ORDER BY i // 2
+		ROWS BETWEEN 3 PRECEDING AND 3 FOLLOWING 
+		EXCLUDE TIES
+	)
+ORDER BY i;
+----
+EXCLUDE is not supported for the window function
+
+endloop
+
+foreach func row_number rank cume_dist
+
+statement error
+SELECT 
+	i,
+	${func}(ORDER BY i // 2, i) OVER (
+		ORDER BY i // 2
+		ROWS BETWEEN 3 PRECEDING AND 3 FOLLOWING 
+		EXCLUDE TIES
+	) AS f,
+FROM range(10) tbl(i)
+ORDER BY i;
+----
+EXCLUDE is not supported for the window function
+
+statement error
+SELECT 
+	i,
+	${func}(ORDER BY i // 2, i) OVER w AS f,
+FROM range(10) tbl(i)
+WINDOW w AS (
+	ORDER BY i // 2
+	ROWS BETWEEN 3 PRECEDING AND 3 FOLLOWING 
+	EXCLUDE TIES
+)
+ORDER BY i;
+----
+EXCLUDE is not supported for the window function
+
+endloop