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Scala example source code file (DerivedColumn.scala)
The Scala DerivedColumn.scala source code/* __ *\ ** ________ ___ / / ___ Scala API ** ** / __/ __// _ | / / / _ | (c) 2003-2011, LAMP/EPFL ** ** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ ** ** /____/\___/_/ |_/____/_/ | | ** ** |/ ** \* */ package scala.dbc package statement @deprecated(DbcIsDeprecated, "2.9.0") abstract class DerivedColumn { /** The value for the column. This value can be of any type but must be * calculated from fields that appear in a relation that takes part * in the query. */ def valueExpression: Expression /** A new name for this field. This name must be unique for the query in * which the column takes part. */ def asClause: Option[String] /** A SQL-99 compliant string representation of the derived column * sub-statement. This only has a meaning inside a select statement. */ def sqlString: String = valueExpression.sqlInnerString + (asClause match { case None => "" case Some(ac) => " AS " + ac }) } Other Scala examples (source code examples)Here is a short list of links related to this Scala DerivedColumn.scala source code file: |
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