source: pro-violet-viettel/sourcecode/application/libraries/Doctrine/ORM/Internal/Hydration/SingleScalarHydrator.php @ 345

Last change on this file since 345 was 345, checked in by quyenla, 11 years ago

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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 LGPL. For more information, see
17 * <http://www.doctrine-project.org>.
18 */
19
20namespace Doctrine\ORM\Internal\Hydration;
21
22use Doctrine\DBAL\Connection,
23    Doctrine\ORM\NoResultException,
24    Doctrine\ORM\NonUniqueResultException;
25
26/**
27 * Hydrator that hydrates a single scalar value from the result set.
28 *
29 * @since  2.0
30 * @author Roman Borschel <roman@code-factory.org>
31 * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
32 */
33class SingleScalarHydrator extends AbstractHydrator
34{
35    /**
36     * {@inheritdoc}
37     */
38    protected function hydrateAllData()
39    {
40        $data    = $this->_stmt->fetchAll(\PDO::FETCH_ASSOC);
41        $numRows = count($data);
42
43        if ($numRows === 0) {
44            throw new NoResultException();
45        }
46
47        if ($numRows > 1 || count($data[key($data)]) > 1) {
48            throw new NonUniqueResultException();
49        }
50
51        $cache  = array();
52        $result = $this->gatherScalarRowData($data[key($data)], $cache);
53
54        return array_shift($result);
55    }
56}
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