On 2016-09-12 13:26:20 -0400, Tom Lane wrote: > Andres Freund <and...@anarazel.de> writes: > > On 2016-09-12 12:10:01 -0400, Tom Lane wrote: > >> I can't say that I like the proposed syntax much. > > > Me neither. But I haven't really found a better approach. It seems > > kinda consistent to have ROWS FROM (... AS ()) change the picked out > > columns to 0, and just return the whole thing. > > I just remembered that we allow zero-column composite types, which > makes this proposal formally ambiguous. So we really need a different > syntax. I'm not especially in love with the cast-to-record idea, but > it does dodge that problem.
I kind of like ROWS FROM (... AS VALUE), that seems to confer the meaning quite well. As VALUE isn't a reserved keyword, that'd afaik only really work inside ROWS FROM() where AS is required. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
