Re: GIN improvements
Teodor Sigaev <[email protected]>
| Newsgroups | gmane.comp.db.postgresql.devel.patches |
|---|---|
| Message-ID | <[email protected]> |
> 1) multicolumn GIN > Unlike other indexes, the performance of search > doesn't depends on what column of index (first, last, any subset) is > used in search clause. This property can be used in gincostestimate, but > I haven't looked on it yet. After some playing I didn't find any mentions in *costestimate function about difference of cost estimation between first and any other columns in clauses, so, IMHO, issue above isn't an issue. :) So, I didn't see any comments/objections and I intend to commit this patch for next two days and synchronize 'fast insert into GIN' patch with CVS. Objections? -- Teodor Sigaev E-mail: [email protected] WWW: http://www.sigaev.ru/ -- Sent via pgsql-patches mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-patches