renames and a bit of code cleaning

src/main/scala/Main.scala

@@ -0,0 +1,14 @@
+package org.example
+
+import util._
+
+object Main extends App {
+
+  benchmark() {
+    UserDao.insert("pablo", "fernandez")
+    UserDao.insert("noob", "saibot")
+    UserDao.insert("uma", "thurman")
+
+    val users = UserDao.findByLastName("fernandez")
+  }
+}

src/main/scala/UserDao.scala

@@ -0,0 +1,36 @@
+package org.example
+
+import scala.slick.driver.PostgresDriver.simple._
+import Database.threadLocalSession
+
+object UserDao {
+
+  val database = Database.forURL("jdbc:postgresql://localhost:5432/demo", driver = "org.postgresql.Driver")
+
+  case class User(id: Option[Int], name: String, last: String)
+
+  object Users extends Table[User]("users") {
+    def id = column[Int]("id", O.PrimaryKey, O.AutoInc)
+    def name = column[String]("name")
+    def lastName = column[String]("last_name")
+
+    def * = (id.? ~ name ~ lastName) <> (User, User.unapply _)
+
+    // Shim needed to handle Postgress - Slick quirks with autoincrement columns.
+    def insertProjection = (name ~ lastName) <> (
+      {(first, last) => User(None, first, last)},
+      {(user: User) => Some(user.name, user.last)}
+    )
+  }
+
+  def insert(name: String, lastName: String) = {
+    database withSession {
+      Users.insertProjection.insert(User(None, name, lastName))
+    }
+  }
+
+  def findByLastName(last: String) = database withSession {
+    val query = for (u <- Users if u.lastName is last) yield (u)
+    query.list
+  }
+}