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<?php |
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declare(strict_types=1); |
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namespace QB\MySQL\Statement; |
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use QB\Generic\Statement\Delete as GenericDelete; |
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use QB\Generic\Statement\ISelect; |
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class Delete extends GenericDelete |
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{ |
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public const LOW_PRIORITY = 'LOW_PRIORITY'; |
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public const QUICK = 'QUICK'; |
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public const IGNORE = 'IGNORE'; |
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/** @var array<int,string> */ |
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protected array $modifiers = []; |
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/** @var array<string,string> */ |
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protected array $orderByParts = []; |
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protected ?int $limit = null; |
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/** |
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* @param string ...$modifiers |
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* |
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* @return $this |
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*/ |
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public function modifier(string ...$modifiers): static |
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{ |
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foreach ($modifiers as $modifier) { |
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switch ($modifier) { |
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case static::LOW_PRIORITY: |
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$this->modifiers[0] = $modifier; |
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break; |
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case static::QUICK: |
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$this->modifiers[1] = $modifier; |
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break; |
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case static::IGNORE: |
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$this->modifiers[2] = $modifier; |
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break; |
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} |
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} |
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return $this; |
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} |
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/** |
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* @param string $column |
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* @param string $direction |
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* |
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* @return $this |
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*/ |
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public function orderBy(string $column, string $direction = ISelect::DIRECTION_ASC): static |
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{ |
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$this->orderByParts[$column] = $direction; |
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return $this; |
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} |
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/** |
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* @param int|null $limit |
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* |
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* @return $this |
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*/ |
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public function limit(?int $limit): static |
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{ |
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$this->limit = $limit; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function __toString(): string |
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{ |
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$parts = array_merge( |
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[parent::__toString()], |
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$this->getOrderBy(), |
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$this->getLimit(), |
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); |
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return implode(PHP_EOL, $parts); |
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} |
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/** |
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* @return string[] |
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*/ |
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protected function getOrderBy(): array |
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{ |
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if (count($this->orderByParts) === 0) { |
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return []; |
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} |
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$parts = []; |
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foreach ($this->orderByParts as $column => $direction) { |
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$parts[] = "$column $direction"; |
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} |
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return ['ORDER BY ' . implode(', ', $parts)]; |
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} |
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protected function getLimit(): array |
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{ |
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$parts = []; |
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if ($this->limit !== null) { |
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$parts[] = sprintf('LIMIT %d', $this->limit); |
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} |
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return $parts; |
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} |
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} |
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abterphp /
qb
