What is the right way to work with slick's 3.0.0 streaming results and Postgresql?

Question

I am trying to figure out how to work with slick streaming. I use slick 3.0.0 with postgres driver

The situation is following: server have to give client sequences of da

Answer 1

The correct way to stream in Slick is as provided in documentation is

val q = for (c <- coffees) yield c.image
val a = q.result
val p1: DatabasePublisher[Blob] = db.stream(a.withStatementParameters(rsType = ResultSetType.ForwardOnly, rsConcurrency = ResultSetConcurrency.ReadOnly, fetchSize = 1000 /*your fetching size*/).transactionally)