|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Ddeboer\DataImport\Writer; |
|
4
|
|
|
|
|
5
|
|
|
use Ddeboer\DataImport\Exception\WriterException; |
|
6
|
|
|
use Ddeboer\DataImport\Writer; |
|
7
|
|
|
|
|
8
|
|
|
/** |
|
9
|
|
|
* Write data into a specific database table using a PDO instance. |
|
10
|
|
|
* |
|
11
|
|
|
* IMPORTANT: If your PDO instance does not have ERRMODE_EXCEPTION any write failure will be silent or logged to |
|
12
|
|
|
* stderr only. It is strongly recomended you enable Exceptions with: |
|
13
|
|
|
* |
|
14
|
|
|
* $pdo->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION); |
|
15
|
|
|
* |
|
16
|
|
|
* @author Stefan Warman |
|
17
|
|
|
*/ |
|
18
|
|
|
class PdoWriter implements Writer, FlushableWriter |
|
19
|
|
|
{ |
|
20
|
|
|
/** |
|
21
|
|
|
* @var \PDO |
|
22
|
|
|
*/ |
|
23
|
|
|
protected $pdo; |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* @var string |
|
27
|
|
|
*/ |
|
28
|
|
|
protected $tableName; |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* @var \PDOStatement |
|
32
|
|
|
*/ |
|
33
|
|
|
protected $statement; |
|
34
|
|
|
|
|
35
|
|
|
/** |
|
36
|
|
|
* @var array |
|
37
|
|
|
*/ |
|
38
|
|
|
private $stack; |
|
39
|
|
|
|
|
40
|
|
|
/** |
|
41
|
|
|
* Note if your table name is a reserved word for your target DB you should quote it in the appropriate way e.g. |
|
42
|
|
|
* for MySQL enclose the name in `backticks`. |
|
43
|
|
|
* |
|
44
|
|
|
* @param \PDO $pdo |
|
45
|
|
|
* @param string $tableName |
|
46
|
|
|
*/ |
|
47
|
6 |
|
public function __construct(\PDO $pdo, $tableName) |
|
48
|
|
|
{ |
|
49
|
6 |
|
$this->pdo = $pdo; |
|
50
|
6 |
|
$this->tableName = $tableName; |
|
51
|
|
|
|
|
52
|
6 |
|
if (\PDO::ERRMODE_EXCEPTION !== $this->pdo->getAttribute(\PDO::ATTR_ERRMODE)) { |
|
53
|
2 |
|
throw new WriterException('Please set the pdo error mode to PDO::ERRMODE_EXCEPTION'); |
|
54
|
|
|
} |
|
55
|
4 |
|
} |
|
56
|
|
|
|
|
57
|
4 |
|
public function prepare() |
|
58
|
|
|
{ |
|
59
|
4 |
|
$this->stack = []; |
|
60
|
4 |
|
$this->statement = null; |
|
61
|
4 |
|
} |
|
62
|
|
|
|
|
63
|
|
|
/** |
|
64
|
|
|
* {@inheritdoc} |
|
65
|
|
|
*/ |
|
66
|
4 |
|
public function writeItem(array $item) |
|
67
|
|
|
{ |
|
68
|
4 |
|
if (null === $this->statement) { |
|
69
|
|
|
try { |
|
70
|
4 |
|
$this->statement = $this->pdo->prepare(sprintf( |
|
71
|
4 |
|
'INSERT INTO %s (%s) VALUES (%s)', |
|
72
|
4 |
|
$this->tableName, |
|
73
|
4 |
|
implode(',', array_keys($item)), |
|
74
|
4 |
|
substr(str_repeat('?,', count($item)), 0, -1) |
|
75
|
4 |
|
)); |
|
76
|
4 |
|
} catch (\PDOException $e) { |
|
77
|
2 |
|
throw new WriterException('Failed to send query', null, $e); |
|
78
|
|
|
} |
|
79
|
2 |
|
} |
|
80
|
|
|
|
|
81
|
2 |
|
$this->stack[] = array_values($item); |
|
82
|
2 |
|
} |
|
83
|
|
|
|
|
84
|
2 |
|
public function finish() |
|
85
|
|
|
{ |
|
86
|
2 |
|
$this->flush(); |
|
87
|
|
|
|
|
88
|
2 |
|
return $this; |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
2 |
|
public function flush() |
|
92
|
|
|
{ |
|
93
|
2 |
|
$this->pdo->beginTransaction(); |
|
94
|
|
|
|
|
95
|
|
|
try { |
|
96
|
2 |
|
foreach ($this->stack as $data) { |
|
97
|
2 |
|
$this->statement->execute($data); |
|
98
|
2 |
|
} |
|
99
|
2 |
|
$this->stack = []; |
|
100
|
|
|
|
|
101
|
2 |
|
$this->pdo->commit(); |
|
102
|
2 |
|
} catch (\PDOException $e) { |
|
103
|
|
|
throw new WriterException('Failed to write to database', null, $e); |
|
104
|
|
|
} |
|
105
|
2 |
|
} |
|
106
|
|
|
} |
|
107
|
|
|
|
ddeboer /
data-import
