1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
<?php
declare(strict_types=1);
namespace Doctrine\ORM\Internal\Hydration;
use Doctrine\ORM\NonUniqueResultException;
use Doctrine\ORM\NoResultException;
use function array_shift;
use function count;
use function key;
/**
* Hydrator that hydrates a single scalar value from the result set.
*/
class SingleScalarHydrator extends AbstractHydrator
{
/**
* {@inheritdoc}
*/
protected function hydrateAllData()
{
$data = $this->statement()->fetchAllAssociative();
$numRows = count($data);
if ($numRows === 0) {
throw new NoResultException();
}
if ($numRows > 1) {
throw new NonUniqueResultException('The query returned multiple rows. Change the query or use a different result function like getScalarResult().');
}
$result = $this->gatherScalarRowData($data[key($data)]);
if (count($result) > 1) {
throw new NonUniqueResultException('The query returned a row containing multiple columns. Change the query or use a different result function like getScalarResult().');
}
return array_shift($result);
}
}
|
