Ordered.fm

package slick.lifted

import scala.language.implicitConversions
import slick.ast.{Ordering, Node}

class Ordered(val columns: IndexedSeq[(Node, Ordering)])

object Ordered {
<#list 2..22 as i>
 implicit def tuple${i}Ordered[<#list 1..i as j>T${j} <#if i != j>, </#if></#list>](t: (<#list 1..i as j>T${j}<#if i != j>, </#if></#list>))
    (implicit <#list 1..i as j>ev${j}: T${j} => Ordered<#if i != j>, </#if></#list>): Ordered =
    new Ordered(<#list 1..i as j>t._${j}.columns<#if i != j> ++ </#if></#list>)

</#list>
}

/** A `Column` with an associated `Ordering`. */
case class ColumnOrdered[T](column: Rep[T], ord: Ordering) extends Ordered(Vector((column.toNode, ord))) {
  def asc = copy(ord = ord.asc)
  def desc = copy(ord = ord.desc)
  def reverse = copy(ord = ord.reverse)
  def nullsDefault = copy(ord = ord.nullsDefault)
  def nullsFirst = copy(ord = ord.nullsFirst)
  def nullsLast = copy(ord = ord.nullsLast)
}