On Fri, Jan 10, 2014 at 2:07 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > Florian Pflug <f...@phlo.org> writes: >> On Jan10, 2014, at 19:08 , Tom Lane <t...@sss.pgh.pa.us> wrote: >>> Although, having said that ... maybe "build your own aggregate" would >>> be a reasonable suggestion for people who need this? I grant that >>> it's going to be a minority requirement, maybe even a small minority >>> requirement. People who have the chops to get this sort of thing right >>> can probably manage a custom aggregate definition. > >> So we'd put a footgun into the hands of people who don't know what they're >> doing, to be fired for performance's sake, and leave it to the people >> who know what they are doing to put the safety on? > > If I may put words in Kevin's mouth, I think his point is that having > float8 sum() at all is a foot-gun, and that's hard to deny. You need > to know how to use it safely.
Yeah, but Florian's point is that not all foot-guns are created equal. The fact that we're walking around with a loaded BB-gun in our hip pocket is not a good reason to replace it with a howitzer. -- 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
