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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 | } |