How do you run a patch/partial database UPDATE in Scala Slick?

Question

We\'d like to run a patch/partial UPDATE with Slick (3.0.0) so that we only modify some of the fields in a record. Exactly which fields will be updated exactly will

Answer 1

Why not do the pattern matching before constructing the update query?

def patchPerson(name: Option[String], age: Option[Int]) = {
   val query = people.filter(_.name === "M Odersky")
   (name, age) match {
     case (Some(name), Some(age)) =>
       query.map(p => (p.name, p.age)).update(name, age)
     case (Some(name), None) =>
       query.map(p => p.name).update(name)
     case (None, Some(age)) =>
       query.map(p => p.age).update(age)
   }
}