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<?php |
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/** |
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* SQL Builder |
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* User: moyo |
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* Date: 22/12/2017 |
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* Time: 4:16 PM |
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*/ |
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namespace Carno\Database\SQL; |
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use Carno\Database\Contracts\Executable; |
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use Carno\Database\SQL\Actions\Aggregate; |
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use Carno\Database\SQL\Actions\Delete; |
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use Carno\Database\SQL\Actions\Getter; |
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use Carno\Database\SQL\Actions\Insert; |
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use Carno\Database\SQL\Actions\Observer; |
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use Carno\Database\SQL\Actions\Update; |
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use Carno\Database\SQL\Builders\Data; |
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use Carno\Database\SQL\Builders\Group; |
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use Carno\Database\SQL\Builders\Limit; |
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use Carno\Database\SQL\Builders\Order; |
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use Carno\Database\SQL\Builders\Params; |
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use Carno\Database\SQL\Builders\Select; |
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use Carno\Database\SQL\Builders\Where; |
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use Carno\Database\SQL\Exception\UnknownActionException; |
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use Carno\Database\SQL\Merging\Related; |
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use Carno\Database\SQL\Paginator\Paged; |
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class Builder |
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{ |
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use Observer, Params; |
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use Select, Data, Where, Group, Order, Limit; |
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use Insert, Update, Delete; |
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use Getter, Aggregate; |
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use Related, Paged; |
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/** |
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* @var string |
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*/ |
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protected $table = 'table'; |
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/** |
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* @var Executable |
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*/ |
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protected $executor = null; |
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/** |
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* Builder constructor. |
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* @param string $table |
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* @param Executable $executor |
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* @param array $observers |
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*/ |
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public function __construct(string $table, Executable $executor, array $observers = []) |
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{ |
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$this->table = $table; |
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$this->executor = $executor; |
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foreach ($observers as $action => $programs) { |
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$this->actWatching($action, ...$programs); |
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} |
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} |
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/** |
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* @param string $table |
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* @return Builder |
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*/ |
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protected function new(string $table = null) : Builder |
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{ |
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return new static($table ?? $this->table, $this->executor); |
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} |
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/** |
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* @param string $sql |
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* @return mixed |
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*/ |
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protected function exec(string $sql) |
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{ |
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return $this->executor->execute($sql, $this->params()); |
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} |
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/** |
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* @param int $action |
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* @return string |
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*/ |
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protected function sql(int $action) : string |
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{ |
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$sql = null; |
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switch ($action) { |
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case Action::INSERT: |
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$sql = sprintf( |
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'INSERT INTO `%s` %s', |
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$this->table, |
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$this->gData() |
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); |
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break; |
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case Action::SELECT: |
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$sql = sprintf( |
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'SELECT %s FROM `%s`%s%s%s%s', |
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$this->gSelect(), |
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$this->table, |
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$this->gWheres(), |
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$this->gGroups(), |
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$this->gOrders(), |
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$this->gLimit() |
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); |
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break; |
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case Action::UPDATE: |
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$sql = sprintf( |
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'UPDATE `%s` %s%s%s%s', |
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$this->table, |
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$this->gData(), |
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$this->gWheres(), |
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$this->gOrders(), |
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$this->gLimit() |
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); |
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break; |
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case Action::DELETE: |
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$sql = sprintf( |
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'DELETE FROM `%s`%s%s%s', |
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$this->table, |
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$this->gWheres(), |
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$this->gOrders(), |
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$this->gLimit() |
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); |
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break; |
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} |
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if ($sql) { |
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return rtrim($sql); |
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} |
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throw new UnknownActionException; |
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} |
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} |
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carno-php /
mysql
