forhsd

Results 2 issues of forhsd

1. execute the following SQL report error:ERROR: ROW keyword for tuples not yet supported 2. can execute normally in Postgres database 3. Doltgres version 0.50.0 `select row(p) from users p`

enhancement
customer issue

1. execute the following SQL report error:unable to prepare query: unsupported syntax 2. can execute normally in Postgres database 3. Doltgres version 0.50.0 `select * from (values(1,'峰哥',18),(2,'王哥',20),(3,'张哥',22)) x(id,name,age);`

bug
customer issue