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<?php |
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declare(strict_types=1); |
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namespace QB\PostgreSQL\Statement; |
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use QB\Generic\Statement\Insert as GenericInsert; |
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class Insert extends GenericInsert |
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{ |
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public const DEFAULT_VALUES = 'DEFAULT VALUES'; |
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public const CONFLICT_DO_NOTHING = 'DO NOTHING'; |
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public const CONFLICT_DO_UPDATE = 'DO UPDATE'; |
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/** @var array<int,string> */ |
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protected array $onConflict = []; |
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/** @var array<int,string> */ |
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protected array $doUpdate = []; |
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/** @var bool */ |
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protected bool $doNothing = false; |
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/** @var array<int,string> */ |
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protected array $returning = []; |
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/** |
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* @param string ...$columns |
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* |
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* @return $this |
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*/ |
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public function onConflict(string ...$columns): static |
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{ |
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$this->onConflict = $columns; |
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return $this; |
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} |
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/** |
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* @param string ...$columns |
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* |
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* @return $this |
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*/ |
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public function doUpdate(string ...$columns): static |
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{ |
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$this->doNothing = false; |
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$this->doUpdate = $columns; |
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return $this; |
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} |
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/** |
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* @return $this |
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*/ |
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public function doNothing(): static |
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{ |
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$this->doNothing = true; |
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$this->doUpdate = []; |
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return $this; |
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} |
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/** |
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* @param string ...$columns |
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* |
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* @return $this |
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*/ |
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public function returning(string ...$columns): static |
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{ |
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$this->returning = $columns; |
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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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$this->getOnConflict(), |
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$this->getReturning(), |
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); |
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return implode(PHP_EOL, $parts); |
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} |
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/** |
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* @return string[] |
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*/ |
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protected function getOnConflict(): array |
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{ |
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if (!$this->doNothing && count($this->doUpdate) == 0) { |
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return []; |
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} |
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$parts = []; |
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$action = $this->doNothing ? static::CONFLICT_DO_NOTHING : static::CONFLICT_DO_UPDATE; |
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if (count($this->onConflict) > 0) { |
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$parts[] = sprintf('ON CONFLICT (%s) %s', implode(', ', $this->onConflict), $action); |
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} else { |
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$parts[] = sprintf('ON CONFLICT %s', $action); |
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} |
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if (count($this->doUpdate) > 0) { |
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$parts[] = sprintf('SET %s', implode(', ', $this->doUpdate)); |
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} |
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return $parts; |
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} |
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/** |
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* @return string[] |
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*/ |
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protected function getReturning(): array |
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{ |
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if (count($this->returning) == 0) { |
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return []; |
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} |
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return [sprintf('RETURNING %s', implode(',', $this->returning))]; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isValid(): bool |
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{ |
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return !empty($this->table); |
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} |
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/** |
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* @return string[] |
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*/ |
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protected function getRawValues(): array |
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{ |
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if (count($this->rawValues) == 0) { |
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return [self::DEFAULT_VALUES]; |
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} |
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return parent::getRawValues(); |
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} |
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} |
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abterphp /
qb
