calasql-query_3.0.1.5.source-code.Model.scala Maven / Gradle / Ivy
package scalasql.query
import scalasql.core.Expr
/**
* Models a SQL `ORDER BY` clause
*/
case class OrderBy(expr: Expr[?], ascDesc: Option[AscDesc], nulls: Option[Nulls])
sealed trait AscDesc
object AscDesc {
/**
* Models a SQL `ASC` clause
*/
case object Asc extends AscDesc
/**
* Models a SQL `DESC` clause
*/
case object Desc extends AscDesc
}
sealed trait Nulls
object Nulls {
/**
* Models a SQL `NULLS FIRST` clause
*/
case object First extends Nulls
/**
* Models a SQL `NULSL LAST` clause
*/
case object Last extends Nulls
}
/**
* Models a SQL `GROUP BY` clause
*/
case class GroupBy(key: Expr[?], select: () => Select[?, ?], having: Seq[Expr[?]])
/**
* Models a SQL `JOIN` clause
*/
case class Join(prefix: String, from: Seq[Join.From])
object Join {
case class From(from: scalasql.core.Context.From, on: Option[Expr[?]])
}