On Tue, Dec 20, 2016 at 3:11 AM, Andres Freund <and...@anarazel.de> wrote: > I think a more efficient variant would make the function signature look > something like: > > Datum /* directly returned argument */ > pgfunc( > /* extra information about function call */ > FunctionCallInfo *fcinfo, > /* bitmap of NULL arguments */ > uint64_t nulls, > /* first argument */ > Datum arg0, > /* second argument */ > Datum arg1, > /* returned NULL */ > bool *isnull > );
Yeah, that's kind of nice. I like the uint64 for nulls, although FUNC_MAX_ARGS > 64 by default and certainly can be configured that way. It wouldn't be a problem for any common cases, of course. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
