Re: Ordered Append Node
| От | Florian Weimer |
|---|---|
| Тема | Re: Ordered Append Node |
| Дата | |
| Msg-id | 828x4ppc0i.fsf@mid.bfk.de обсуждение исходный текст |
| Ответ на | Re: Ordered Append Node (Markus Schiltknecht <markus@bluegap.ch>) |
| Ответы |
Re: Ordered Append Node
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| Список | pgsql-hackers |
* Markus Schiltknecht: > Florian Weimer wrote: >> I think you need it because there are potentially many input types. Eh, "tapes". > Given the partitioning case, I'd expect all rows to have an equal > tuple descriptor. Maybe this is a matter of what to optimize, then? > > Could you elaborate on what use case you have in mind? You need a priority queue to figure out from which tape (partition) you need to remove the next tuple. -- Florian Weimer <fweimer@bfk.de> BFK edv-consulting GmbH http://www.bfk.de/ Kriegsstraße 100 tel: +49-721-96201-1 D-76133 Karlsruhe fax: +49-721-96201-99
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