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1 | <?php declare(strict_types=1); |
2 | /* |
3 | * This file is part of Aplus Framework Database Library. |
4 | * |
5 | * (c) Natan Felles <natanfelles@gmail.com> |
6 | * |
7 | * For the full copyright and license information, please view the LICENSE |
8 | * file that was distributed with this source code. |
9 | */ |
10 | namespace Framework\Database\Manipulation\Traits; |
11 | |
12 | use Closure; |
13 | use LogicException; |
14 | |
15 | /** |
16 | * Trait Set. |
17 | * |
18 | * @package database |
19 | */ |
20 | trait Set |
21 | { |
22 | /** |
23 | * Sets the SET clause. |
24 | * |
25 | * @param array<string,Closure|float|int|string|null>|object $columns Array |
26 | * of columns => values or an object to be cast to array |
27 | * |
28 | * @return static |
29 | */ |
30 | public function set(array | object $columns) : static |
31 | { |
32 | $this->sql['set'] = (array) $columns; |
33 | return $this; |
34 | } |
35 | |
36 | /** |
37 | * Renders the SET clause. |
38 | * |
39 | * @return string|null The SET clause null if it was not set |
40 | */ |
41 | protected function renderSet() : ?string |
42 | { |
43 | if ( ! $this->hasSet()) { |
44 | return null; |
45 | } |
46 | $set = []; |
47 | foreach ($this->sql['set'] as $column => $value) { |
48 | $set[] = $this->renderAssignment($column, $value); |
49 | } |
50 | $set = \implode(', ', $set); |
51 | return " SET {$set}"; |
52 | } |
53 | |
54 | /** |
55 | * Renders the SET clause checking conflicts. |
56 | * |
57 | * @throws LogicException if SET was set with columns or with the VALUES clause |
58 | * |
59 | * @return string|null The SET part or null if it was not set |
60 | */ |
61 | protected function renderSetCheckingConflicts() : ?string |
62 | { |
63 | $part = $this->renderSet(); |
64 | if ($part === null) { |
65 | return null; |
66 | } |
67 | if (isset($this->sql['columns'])) { |
68 | throw new LogicException('SET clause is not allowed when columns are set'); |
69 | } |
70 | if (isset($this->sql['values'])) { |
71 | throw new LogicException('SET clause is not allowed when VALUES is set'); |
72 | } |
73 | return $part; |
74 | } |
75 | |
76 | /** |
77 | * Tells if the SET clause was set. |
78 | * |
79 | * @return bool True if was set, otherwise false |
80 | */ |
81 | protected function hasSet() : bool |
82 | { |
83 | return isset($this->sql['set']); |
84 | } |
85 | } |