ma_golyo schrieb am 29.08.2012 um 09:54 (-0000):

> It's TCP timeout. To avoid I have to run dummy select to keep alive.

> Do I need to run dummy select per active connection or per active
> transaction?

Per connection, because one connection is tied to one socket, whereas
each connection *may in theory* host multiple transactions.

Re: [firebird-support] Single trans per connection? - Ann Harrison
http://tech.groups.yahoo.com/group/firebird-support/message/118391

Michael