Window Function syntax error

[holyhe]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. What did you do?

// use d1;
// CREATE TABLE t1 (qty INT, price INT);

ddl = "CREATE VIEW t8 AS SELECT qty, price, ROW_NUMBER() OVER(PARTITION BY qty ORDER BY price) AS row_num FROM t1;"
nodes, _, err := parser.New().Parse(ddl, "", "")

3. What did you expect to see?

parser.New().Parse(ddl, "", "")
return success

4. What did you see instead?
   parser.New().Parse(ddl, "", "")
   return error
   error msg：
   line 1 column 150 near "(PARTITION BY t1.qty ORDER BY t1.price ) AS row_num from t1"

5. What version of TiDB SQL Parser are you using?
   github.com/pingcap/parser v0.0.0-20200623164729-3a18f1e5dceb