On Mon, Aug 29, 2011 at 7:49 AM, Kevin Grittner <kevin.gritt...@wicourts.gov> wrote: > Alexey Klyukin wrote: > >> The following statement produces an error message in PostgreSQL 8.4 >> - 9.2 (head): >> >> postgres=# select val from random()::integer as val; > >> The same statement rewritten with CAST AS works as expected: >> >> postgres=# select val from CAST(random() as integer) as val; > >> The documentation says these casts are equivalent, so either that's >> wrong, or this is a bug. > > Please point out where you think the documentation says that. The > way I read it, this is the correct syntax: > > test=# select val from (select random()::integer) as x(val); > val > ----- > 1 > (1 row) > > Not only are you missing required parentheses and the SELECT keyword, > you're returning a record rather than a scalar value.
yeah, that's the correct way, but why does this work? select val from random() as val; That's illegal IMO, and walls you off from syntax (like::) you normally should be able to use. merlin -- Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs
