2008/10/10 Dimitri Fontaine <dfontaine@hi-media.com>:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Hi,
>
> Le 10 oct. 08 à 21:22, Robert Haas a écrit :
>>
>> I can't find any legal way of calling this function.
>>
>> SELECT bar(f) FROM foo f;
>> ERROR: set-valued function called in context that cannot accept a set
>>
>> SELECT * FROM foo f, bar(f);
>> ERROR: function expression in FROM may not refer to other relations
>> of same query level
>>
>> Any help appreciated.
>
>
> You need LATERAL support for this:
> SELECT * FROM foo f LATERAL bar(f);
>
> I'm not sure about the syntax, but LATERAL is a standard JOIN type wherein
> upper "nodes" are visible.
> - --
> dim
>
no, this strange syntax is far to any standard. Solution is using
dynamic cursor ala DB2 (that isn't supported in postgres) - select *
from fce(cursor(select .... from tab))
Regards
Pavel Stehule
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.9 (Darwin)
>
> iEYEARECAAYFAkjvvYMACgkQlBXRlnbh1blatgCgnaDoSY2RGzv224QWqA8OYEjx
> fbMAoK31dHoFjOVRdomvhl/qilndRZJ5
> =3xjL
> -----END PGP SIGNATURE-----
>
> --
> Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-general
>