stefano@sportilia.com writes:
> Don't know if this is a bug or a correct behaviour, but in a query like
> this:
> SELECT t1.* FROM
> table1 t1 JOIN
> table2 t2 ON t1.id = t2.t1id JOIN
> table3 t3 ON t1.id = t2.t1id
> The parser should return an error because we are joining a table without
> using any of its column.
There is no such restriction in the SQL standard.
regards, tom lane
