56 lines
1.9 KiB
PHP
56 lines
1.9 KiB
PHP
<?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\Internal\Hydration;
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use Doctrine\DBAL\Connection,
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Doctrine\ORM\NoResultException,
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Doctrine\ORM\NonUniqueResultException;
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/**
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* Hydrator that hydrates a single scalar value from the result set.
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*
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* @since 2.0
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* @author Roman Borschel <roman@code-factory.org>
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* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
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*/
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class SingleScalarHydrator extends AbstractHydrator
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{
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/**
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* {@inheritdoc}
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*/
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protected function hydrateAllData()
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{
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$data = $this->_stmt->fetchAll(\PDO::FETCH_ASSOC);
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$numRows = count($data);
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if ($numRows === 0) {
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throw new NoResultException();
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}
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if ($numRows > 1 || count($data[key($data)]) > 1) {
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throw new NonUniqueResultException();
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}
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$cache = array();
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$result = $this->gatherScalarRowData($data[key($data)], $cache);
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return array_shift($result);
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}
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} |