I just wonder why generate_series() is not allowed in GREATEST syntax. Looking through execQual.c, almost all syntactic evaluations like COALESCE, ARRAY[], ROW() doesn't allow set-value functions. Could someone tell the underlying reason?
Also, using variadic functions introduced since 8.4, I hope we can remove the special syntax cases for them by replacing them with normal variadic functions. Is it sane idea? Regards, -- Hitoshi Harada -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
