1<?php 2/* 3 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 4 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 5 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 6 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 7 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 8 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 9 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 10 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 11 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 12 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 13 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 14 * 15 * This software consists of voluntary contributions made by many individuals 16 * and is licensed under the MIT license. For more information, see 17 * <http://www.doctrine-project.org>. 18 */ 19 20namespace Doctrine\ORM\Query\AST; 21 22/** 23 * CoalesceExpression ::= "COALESCE" "(" ScalarExpression {"," ScalarExpression}* ")" 24 * 25 * @since 2.1 26 * 27 * @link www.doctrine-project.org 28 * @author Benjamin Eberlei <kontakt@beberlei.de> 29 * @author Guilherme Blanco <guilhermeblanco@hotmail.com> 30 * @author Jonathan Wage <jonwage@gmail.com> 31 * @author Roman Borschel <roman@code-factory.org> 32 */ 33class CoalesceExpression extends Node 34{ 35 /** 36 * @var array 37 */ 38 public $scalarExpressions = array(); 39 40 /** 41 * @param array $scalarExpressions 42 */ 43 public function __construct(array $scalarExpressions) 44 { 45 $this->scalarExpressions = $scalarExpressions; 46 } 47 48 /** 49 * {@inheritdoc} 50 */ 51 public function dispatch($sqlWalker) 52 { 53 return $sqlWalker->walkCoalesceExpression($this); 54 } 55} 56