Em Sáb, 2009-03-07 às 19:38 -0500, Tom Lane escreveu: > "Dickson S. Guedes" <lis...@guedesoft.net> writes: > > And bellow is the select that returns: "ERROR: failed to locate grouping > > columns" > > when no rows is returned by the View above, but it runs well when one or > > more > > rows is returned by same view. > > I really have a hard time believing that whether you get that error is > contingent on whether the view returns some rows or not. That's a > planner message and couldn't possibly have to do with what happens > at runtime.
And I was really confused when I've tested. I've seen that it's a planner message, then I discard SUBSELECTs and use JOINs and it works. > Would you put together a complete example, instead of leaving us to > guess what's underlying the view? Ok, I'll prepare a full test and send it. > And what PG version is this? Oh! I forgot to say, the version is 8.3.6. Thanks. -- Dickson S. Guedes - mail/xmpp: gue...@guedesoft.net - skype: guediz http://guedesoft.net - http://planeta.postgresql.org.br -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
