|
1
|
|
|
<?php |
|
2
|
|
|
namespace Maphper\DataSource; |
|
3
|
|
|
class MysqlAdapter implements DatabaseAdapter { |
|
4
|
|
|
private $pdo; |
|
5
|
|
|
private $stmtCache; |
|
6
|
|
|
private $generalEditor; |
|
7
|
|
|
|
|
8
|
|
|
public function __construct(\PDO $pdo) { |
|
9
|
|
|
$this->pdo = $pdo; |
|
10
|
|
|
//Set to strict mode to detect 'out of range' errors, action at a distance but it needs to be set for all INSERT queries |
|
11
|
|
|
$this->pdo->query('SET sql_mode = STRICT_ALL_TABLES'); |
|
12
|
|
|
$this->stmtCache = new StmtCache($pdo); |
|
13
|
|
|
$this->generalEditor = new GeneralEditDatabase($this->pdo, ['short_string_max_len' => 191]); |
|
14
|
|
|
} |
|
15
|
|
|
|
|
16
|
|
|
public function quote($str) { |
|
17
|
|
|
return $this->generalEditor->quote($str); |
|
18
|
|
|
} |
|
19
|
|
|
|
|
20
|
|
|
public function query(\Maphper\Lib\Query $query) { |
|
21
|
|
|
$stmt = $this->stmtCache->getCachedStmt($query->getSql()); |
|
22
|
|
|
$args = $query->getArgs(); |
|
23
|
|
|
$stmt->execute($args); |
|
24
|
|
|
|
|
25
|
|
|
return $stmt; |
|
26
|
|
|
} |
|
27
|
|
|
|
|
28
|
|
|
private function alterColumns($table, array $primaryKey, $data) { |
|
29
|
|
|
foreach ($data as $key => $value) { |
|
30
|
|
|
if ($this->generalEditor->isNotSavableType($value, $key, $primaryKey)) continue; |
|
31
|
|
|
|
|
32
|
|
|
$type = $this->generalEditor->getType($value); |
|
33
|
|
|
|
|
34
|
|
|
try { |
|
35
|
|
|
if (!$this->pdo->query('ALTER TABLE ' . $table . ' ADD ' . $this->quote($key) . ' ' . $type)) throw new \Exception('Could not alter table'); |
|
36
|
|
|
} |
|
37
|
|
|
catch (\Exception $e) { |
|
38
|
|
|
$this->pdo->query('ALTER TABLE ' . $table . ' MODIFY ' . $this->quote($key) . ' ' . $type); |
|
39
|
|
|
} |
|
40
|
|
|
} |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
|
|
public function alterDatabase($table, array $primaryKey, $data) { |
|
44
|
|
|
$this->generalEditor->createTable($table, $primaryKey, $data); |
|
45
|
|
|
$this->alterColumns($table, $primaryKey, $data); |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
|
|
public function lastInsertId() { |
|
49
|
|
|
return $this->pdo->lastInsertId(); |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
public function addIndex($table, array $fields) { |
|
53
|
|
|
//Sort the fields so that the index is never created twice (col1, col2) then (col2, col1) |
|
54
|
|
|
sort($fields); |
|
55
|
|
|
$fields = array_map('strtolower', $fields); |
|
56
|
|
|
$fields = array_map('trim', $fields); |
|
57
|
|
|
$keyName = $this->quote(implode('_', $fields)); |
|
58
|
|
|
|
|
59
|
|
|
$results = $this->pdo->query('SHOW INDEX FROM ' . $this->quote($table) . ' WHERE Key_Name = "' . $keyName . '"'); |
|
60
|
|
|
if ($results && count($results->fetchAll()) == 0) $this->pdo->query('CREATE INDEX ' . $keyName . ' ON ' . $this->quote($table) . ' (' . implode(', ', $fields) . ')'); |
|
61
|
|
|
} |
|
62
|
|
|
|
|
63
|
|
|
public function optimiseColumns($table) { |
|
64
|
|
|
//TODO |
|
65
|
|
|
return; |
|
66
|
|
|
} |
|
67
|
|
|
} |
|
68
|
|
|
|
Level-2 /
Maphper
