Re: COPY (query) TO file
От | Tino Wildenhain |
---|---|
Тема | Re: COPY (query) TO file |
Дата | |
Msg-id | 4480401C.7080308@wildenhain.de обсуждение исходный текст |
Ответ на | COPY (query) TO file ("Mark Woodward" <pgsql@mohawksoft.com>) |
Ответы |
Re: COPY (query) TO file
|
Список | pgsql-hackers |
Mark Woodward wrote: > Tom had posted a question about file compression with copy. I thought > about it, and I want to through this out and see if anyone things it is a > good idea. > > Currently, the COPY command only copies a table, what if it could operate > with a query, as: > > COPY (select * from mytable where foo='bar') as BAR TO stdout > > I have no idea if it is doable, but I can see uses for replication I doubt it be really usefull (apart from maybe saving some work coding a client app) but did you actually test it with create table as select ...; followed by a copy of that table if it really is faster then just the usual select & fetch? Regards Tino
В списке pgsql-hackers по дате отправления: