|
1
|
|
|
<?php |
|
2
|
|
|
declare(strict_types=1); |
|
3
|
|
|
|
|
4
|
|
|
namespace SlayerBirden\DataFlow\Provider; |
|
5
|
|
|
|
|
6
|
|
|
use Doctrine\DBAL\Connection; |
|
7
|
|
|
use Doctrine\DBAL\DBALException; |
|
8
|
|
|
use SlayerBirden\DataFlow\Data\SimpleBag; |
|
9
|
|
|
use SlayerBirden\DataFlow\DataBagInterface; |
|
10
|
|
|
use SlayerBirden\DataFlow\IdentificationTrait; |
|
11
|
|
|
use SlayerBirden\DataFlow\Provider\Exception\ProviderException; |
|
12
|
|
|
use SlayerBirden\DataFlow\ProviderInterface; |
|
13
|
|
|
|
|
14
|
|
|
class Dbal implements ProviderInterface |
|
15
|
|
|
{ |
|
16
|
|
|
use IdentificationTrait; |
|
17
|
|
|
|
|
18
|
|
|
const LIMIT = 100; |
|
19
|
|
|
/** |
|
20
|
|
|
* @var string |
|
21
|
|
|
*/ |
|
22
|
|
|
private $id; |
|
23
|
|
|
/** |
|
24
|
|
|
* @var Connection |
|
25
|
|
|
*/ |
|
26
|
|
|
private $connection; |
|
27
|
|
|
/** |
|
28
|
|
|
* @var string |
|
29
|
|
|
*/ |
|
30
|
|
|
private $table; |
|
31
|
|
|
|
|
32
|
2 |
|
public function __construct(string $id, Connection $connection, string $table) |
|
33
|
|
|
{ |
|
34
|
2 |
|
$this->id = $id; |
|
35
|
2 |
|
$this->connection = $connection; |
|
36
|
2 |
|
$this->table = $table; |
|
37
|
2 |
|
} |
|
38
|
|
|
|
|
39
|
|
|
/** |
|
40
|
|
|
* @return \Generator|DataBagInterface[] |
|
41
|
|
|
*/ |
|
42
|
1 |
|
public function getCask(): \Generator |
|
43
|
|
|
{ |
|
44
|
1 |
|
$offset = 0; |
|
45
|
1 |
|
$qb = $this->connection->createQueryBuilder(); |
|
46
|
|
|
do { |
|
47
|
1 |
|
$qb->select('*') |
|
48
|
1 |
|
->from($this->table) |
|
49
|
1 |
|
->setFirstResult($offset) |
|
50
|
1 |
|
->setMaxResults(self::LIMIT); |
|
51
|
|
|
try { |
|
52
|
1 |
|
$stmt = $this->connection->query($qb->getSQL()); |
|
53
|
|
|
} catch (DBALException $e) { |
|
54
|
|
|
yield new ProviderException($e->getMessage(), $e->getCode(), $e); |
|
55
|
|
|
} |
|
56
|
1 |
|
$result = $stmt->fetchAll(\PDO::FETCH_ASSOC); |
|
57
|
1 |
|
$count = count($result); |
|
58
|
1 |
|
if ($count) { |
|
59
|
1 |
|
foreach ($result as $row) { |
|
60
|
1 |
|
yield new SimpleBag($row); |
|
61
|
|
|
} |
|
62
|
1 |
|
$offset += self::LIMIT; |
|
63
|
|
|
} |
|
64
|
1 |
|
} while ($count > 0); |
|
65
|
1 |
|
} |
|
66
|
|
|
|
|
67
|
|
|
/** |
|
68
|
|
|
* @inheritdoc |
|
69
|
|
|
* @throws \Doctrine\DBAL\DBALException |
|
70
|
|
|
*/ |
|
71
|
1 |
|
public function getEstimatedSize(): int |
|
72
|
|
|
{ |
|
73
|
1 |
|
$qb = $this->connection->createQueryBuilder(); |
|
74
|
1 |
|
$qb->select('count(*)')->from($this->table); |
|
75
|
|
|
|
|
76
|
1 |
|
$stmt = $this->connection->query($qb->getSQL()); |
|
77
|
1 |
|
return (int)$stmt->fetchColumn(); |
|
78
|
|
|
} |
|
79
|
|
|
} |
|
80
|
|
|
|
SlayerBirden /
dataflow
