Re: Parallel Seq Scan
От | Robert Haas |
---|---|
Тема | Re: Parallel Seq Scan |
Дата | |
Msg-id | CA+Tgmoa++eibKay2hRwEgV14+TARNRSuVNbFjZKDHBG2y_gvKQ@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Parallel Seq Scan (Noah Misch <noah@leadboat.com>) |
Список | pgsql-hackers |
On Fri, Oct 30, 2015 at 11:12 PM, Noah Misch <noah@leadboat.com> wrote: > On Wed, Oct 28, 2015 at 01:04:12AM +0100, Robert Haas wrote: >> Well, OK. That's not strictly a correctness issue, but here's an >> updated patch along the lines you suggested. > >> Finally, have setup_param_list set a new ParamListInfo field, >> paramMask, to the parameters actually used in the expression, so that >> we don't try to fetch those that are not needed when serializing a >> parameter list. This isn't necessary for performance, but it makes > > s/performance/correctness/ > >> the performance of the parallel executor code comparable to what we >> do for cases involving cursors. > > With that, the patch is ready. Thanks, committed. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
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