> Correct. I use a pyro-remote server. On request this remote server copies
> the relevant rows into a temporary table, uses a copy_to Call to push
> them
> into a StringIO-Objekt (that's Pythons version of "In Memory File"),
> serializes that StringIO-Objekt, does a bz2-compression and transfers the
> whole block via VPN.
> What about a SSH tunnel using data compression ?
Setup on multiple Windows Workstations in multiple Installations is not possible.
> If you fetch all rows from a query in one go, would it be fast ?
I tried the same copy_to via VPN. It took 10-50x the time it took locally.
>Also, PG can now COPY from a query, so you don't really need the temp table...
I know, but was stuck to 8.1 on some servers.
Best wishes,
Harald
--
GHUM Harald Massa
persuadere et programmare
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