58 lines
2.3 KiB
PHP
58 lines
2.3 KiB
PHP
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<?php
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/*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\ORM\Query\AST\Functions;
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use Doctrine\ORM\Query\Lexer;
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use Doctrine\ORM\Query\SqlWalker;
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use Doctrine\ORM\Query\Parser;
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use Doctrine\ORM\Query\QueryException;
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/**
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* "DATE_ADD(date1, interval, unit)"
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*
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @link www.doctrine-project.org
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* @since 2.0
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* @author Benjamin Eberlei <kontakt@beberlei.de>
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*/
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class DateSubFunction extends DateAddFunction
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{
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public $firstDateExpression = null;
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public $intervalExpression = null;
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public $unit = null;
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public function getSql(SqlWalker $sqlWalker)
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{
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$unit = strtolower($this->unit);
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if ($unit == "day") {
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return $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubDaysExpression(
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$this->firstDateExpression->dispatch($sqlWalker),
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$this->intervalExpression->dispatch($sqlWalker)
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);
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} else if ($unit == "month") {
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return $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubMonthExpression(
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$this->firstDateExpression->dispatch($sqlWalker),
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$this->intervalExpression->dispatch($sqlWalker)
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);
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} else {
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throw QueryException::semanticalError('DATE_SUB() only supports units of type day and month.');
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}
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}
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}
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