hello nilanjan

x.scala

Welcome to Scala version 2.10.0 (Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_51).
Type in expressions to have them evaluated.
Type :help for more information.

scala>  import play.api.db.slick.Config.driver.simple._
import play.api.db.slick.Config.driver.simple._

scala> new play.core.StaticApplication(new java.io.File("."))[info] play - database [default] connected at jdbc:mysql://localhost/scala_speakers?characterEncoding=UTF8
[info] play - Application started (Prod)
res0: play.core.StaticApplication = play.core.StaticApplication@4aa65618

scala> import play.api.Play.currentimport play.api.Play.current

scala> import models.alltables._
import models.alltables._

scala> import models._
import models._

scala> DB.withSession { implicit session =>
     |       val q = for {
     |         t <- Query(talks)
     |
     |         s <- t.speaker
     |       } yield { (t.description, s.name) }
     |       q.list()
     |     }
<console>:18: error: not found: value DB
              DB.withSession { implicit session =>
              ^

scala> import play.api.db.slick._
import play.api.db.slick._

scala> DB.withSession { implicit session =>
     |       val q = for {
     |         t <- Query(talks)
     |
     |         s <- t.speaker
     |       } yield { (t.description, s.name) }
     |       q.list()
     |     }
res2: List[(String, String)] = List((blah,Dave))

scala> DB.withSession { implicit session =>
     |       val q = for {
     |         t <- talks
     |
     |         s <- t.speaker
     |       } yield { (t.description, s.name) }
     |       q.list()
     |     }
res3: List[(String, String)] = List((blah,Dave))