what i am trying to do is to transform data from a jdbc resultset to a response as memory efficient as possible. the query runs in a different context so what i do in protocode is:

call.respondTextWriter { db.query { write(rs.next())}}

but all exceptions within the respondTextWriter block should actually lead to a different http status code. what i could do is something like

db.query{call.respondTextWriter {}}

but i would need something like launch{} in that code and its a bit ugly to pass the call into that function

what i totally want to avoid is collecting all the data from the result set before writing it back

should i go for my own implementation of WriteChannelContent / OutgoingContent?