org.squeryl.dsl.ast.UpdateStatement.scala Maven / Gradle / Ivy

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A Scala ORM and DSL for talking with Databases using minimum verbosity and maximum type safety

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/*******************************************************************************
 * Copyright 2010 Maxime Lévesque
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ***************************************************************************** */
package org.squeryl.dsl.ast

import org.squeryl.internals.StatementWriter

class UpdateStatement(_whereClause: Option[()=>LogicalBoolean], uas: collection.Seq[UpdateAssignment])
   extends ExpressionNode {

  val whereClause: Option[LogicalBoolean] =
    _whereClause.map(_.apply)

  override def children = whereClause.toList ++ values

  def doWrite(sw: StatementWriter) = {}

  def columns =
    uas.map(ua => ua.left)

  def values =
    uas.map(ua => ua.right)
}