2010/8/9 Tom Lane <t...@sss.pgh.pa.us>: > Pavel Stehule <pavel.steh...@gmail.com> writes: >> I am working on Grouping Sets support. The first issue is "cube" >> keyword. Contrib module "cube" define a few functions "cube". So if we >> want to continue in support this function, then "cube" have to be a >> unreserved keyword. But then we have a gram conflict with mentioned >> obsolete syntax. I am thinking so after removing add_missing_from this >> syntax is useless. Without this feature we can clean a gramatic. > > That's a documented and useful feature. It's not going away. Even > if it did go away, removing it wouldn't do a thing to solve grammar > problems, because the grammar isn't involved in that.
This isn't a SQL feature and it coming from old times like "missing from". Without this we can little bit simplify ParseFuncOrColumn. But I don't know, if this can be a significant win. It is just obsolete. Regards Pavel > > regards, tom lane > -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
