Re: [Haskell-cafe] Takusen - reading from one db inserting into another

2010-01-18 Thread Michael Hartl
Don't know if you can have two connections, sounds difficult in regard to the DBM monad. Only the deveolopers will know. However, two obvious solutions come to my mind: 1) build a result set and process it after returning from DBM or 2) use two separate threads and send the queried data from your

Re: [Haskell-cafe] Takusen - reading from one db inserting into another

2010-01-18 Thread Alistair Bayley
Hello Günther, I know how to use Takusen with a *single* connection, but I cannot figure out how to read from one database while inserting to another. At present it's not possible. The lats time you asked about it, Oleg and I tried a design where the DBM monad becomes a DBMT monad transformer.

Re: [Haskell-cafe] Takusen - reading from one db inserting into another

2010-01-18 Thread Günther Schmidt
Hello Alistair, sorry for asking twice, I had forgotten that. I took some time to try to figure out how to do it and always concluded from my understanding of Takusen that it shouldn't be possible. At least it seems I got that right, which is good by itself :) . Thank you for your troubles

[Haskell-cafe] Takusen - reading from one db inserting into another

2010-01-17 Thread Günther Schmidt
Hi, I know how to use Takusen with a *single* connection, but I cannot figure out how to read from one database while inserting to another. Could someone please explain to me how I can do that? Günther ___ Haskell-Cafe mailing list