|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace Yiisoft\Db\Pgsql\Structured; |
|
6
|
|
|
|
|
7
|
|
|
use Traversable; |
|
8
|
|
|
use Yiisoft\Db\Expression\ExpressionInterface; |
|
9
|
|
|
use Yiisoft\Db\Schema\ColumnSchemaInterface; |
|
10
|
|
|
|
|
11
|
|
|
/** |
|
12
|
|
|
* Represents a structured type SQL expression. |
|
13
|
|
|
* |
|
14
|
|
|
* @see https://en.wikipedia.org/wiki/Structured_type |
|
15
|
|
|
* |
|
16
|
|
|
* For example: |
|
17
|
|
|
* |
|
18
|
|
|
* ```php |
|
19
|
|
|
* new StructuredExpression(['price' => 10, 'currency_code' => 'USD']); |
|
20
|
|
|
* ``` |
|
21
|
|
|
* |
|
22
|
|
|
* Will be encoded to `ROW(10, USD)` |
|
23
|
|
|
*/ |
|
24
|
|
|
class StructuredExpression implements ExpressionInterface |
|
25
|
|
|
{ |
|
26
|
|
|
/** |
|
27
|
|
|
* @param ColumnSchemaInterface[] $columns |
|
28
|
|
|
* @psalm-param array<string, ColumnSchemaInterface> $columns |
|
29
|
|
|
*/ |
|
30
|
10 |
|
public function __construct( |
|
31
|
|
|
private mixed $value, |
|
32
|
|
|
private string|null $type = null, |
|
33
|
|
|
private array $columns = [], |
|
34
|
|
|
) { |
|
35
|
10 |
|
} |
|
36
|
|
|
|
|
37
|
|
|
/** |
|
38
|
|
|
* The structured type name. |
|
39
|
|
|
* |
|
40
|
|
|
* Defaults to `null` which means the type is not explicitly specified. |
|
41
|
|
|
* |
|
42
|
|
|
* Note that in the case where a type is not specified explicitly and DBMS cannot guess it from the context, |
|
43
|
|
|
* SQL error will be raised. |
|
44
|
|
|
*/ |
|
45
|
9 |
|
public function getType(): string|null |
|
46
|
|
|
{ |
|
47
|
9 |
|
return $this->type; |
|
48
|
|
|
} |
|
49
|
|
|
|
|
50
|
|
|
/** |
|
51
|
|
|
* The structured type columns that are used for value normalization and type casting. |
|
52
|
|
|
* |
|
53
|
|
|
* @return ColumnSchemaInterface[] |
|
54
|
|
|
*/ |
|
55
|
7 |
|
public function getColumns(): array |
|
56
|
|
|
{ |
|
57
|
7 |
|
return $this->columns; |
|
58
|
|
|
} |
|
59
|
|
|
|
|
60
|
|
|
/** |
|
61
|
|
|
* The content of the structured type. It can be represented as an associative array of structured type column names |
|
62
|
|
|
* and values. |
|
63
|
|
|
*/ |
|
64
|
11 |
|
public function getValue(): mixed |
|
65
|
|
|
{ |
|
66
|
11 |
|
return $this->value; |
|
67
|
|
|
} |
|
68
|
|
|
|
|
69
|
|
|
/** |
|
70
|
|
|
* Sorted values according to the order of structured type columns, |
|
71
|
|
|
* indexed keys are replaced with column names, |
|
72
|
|
|
* missing elements are filled in with default values, |
|
73
|
|
|
* excessive elements are removed. |
|
74
|
|
|
*/ |
|
75
|
17 |
|
public function getNormalizedValue(): mixed |
|
76
|
|
|
{ |
|
77
|
17 |
|
if (empty($this->columns) || !is_iterable($this->value)) { |
|
78
|
8 |
|
return $this->value; |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
9 |
|
$normalized = []; |
|
82
|
9 |
|
$value = $this->value; |
|
83
|
9 |
|
$columnsNames = array_keys($this->columns); |
|
84
|
|
|
|
|
85
|
9 |
|
if ($value instanceof Traversable) { |
|
86
|
2 |
|
$value = iterator_to_array($value); |
|
87
|
|
|
} |
|
88
|
|
|
|
|
89
|
9 |
|
foreach ($columnsNames as $i => $columnsName) { |
|
90
|
9 |
|
$normalized[$columnsName] = match (true) { |
|
91
|
9 |
|
array_key_exists($columnsName, $value) => $value[$columnsName], |
|
92
|
9 |
|
array_key_exists($i, $value) => $value[$i], |
|
93
|
9 |
|
default => $this->columns[$columnsName]->getDefaultValue(), |
|
94
|
9 |
|
}; |
|
95
|
|
|
} |
|
96
|
|
|
|
|
97
|
9 |
|
return $normalized; |
|
98
|
|
|
} |
|
99
|
|
|
} |
|
100
|
|
|
|
yiisoft /
db-pgsql
