True, but it still allowed me to write queries that I do not know how to express otherwise.
Am 20.09.10 01:58, schrieb Tom Lane: > =?UTF-8?B?SmFubiBSw7ZkZXI=?= <roede...@ethz.ch> writes: >> Ok I now know that it really seems to do what I expected. But I still >> wonder what it does if I use two functions f() and g() that return a >> different number of rows. > > You get the least common multiple of their periods. It's ugly, and the > lack of any very sane way to define the behavior is the main argument > for deprecating SRFs in the targetlist. > > regards, tom lane > -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql