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<?php |
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/** |
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* Trait QueryTrait |
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* |
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* @filesource QueryTrait.php |
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* @created 10.01.2018 |
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* @package chillerlan\Database\Query |
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* @author Smiley <[email protected]> |
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* @copyright 2018 Smiley |
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* @license MIT |
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*/ |
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namespace chillerlan\Database\Query; |
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use chillerlan\Database\Dialects\{ |
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Firebird, MSSQL |
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}; |
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/** |
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* @extends \chillerlan\Database\Query\StatementAbstract |
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* @implements \chillerlan\Database\Query\Query |
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* |
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* @property \chillerlan\Database\Drivers\DriverInterface $db |
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* @property \chillerlan\Database\Dialects\Dialect $dialect |
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* @property \Psr\Log\LoggerInterface $logger |
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*/ |
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trait QueryTrait{ |
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protected array $sql = []; |
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protected bool $multi = false; |
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protected bool $cached = false; |
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protected int $ttl = 300; |
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protected ?int $limit = null; |
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protected ?int $offset = null; |
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protected array $bindValues = []; |
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/** |
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* @return array |
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*/ |
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abstract protected function getSQL():array; |
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/** |
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* @param bool|null $multi |
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* |
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* @return string |
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* @throws \chillerlan\Database\Query\QueryException |
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*/ |
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public function sql(bool $multi = null):string{ |
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$this->multi = $multi ?? false; |
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$sql = trim(implode(' ', $this->getSQL())); |
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// this should only happen on a corrupt dialect implementation |
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if(empty($sql)){ |
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throw new QueryException('empty sql'); // @codeCoverageIgnore |
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} |
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return $sql; |
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} |
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/** @inheritdoc */ |
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public function getBindValues():array{ |
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if($this->dialect instanceof Firebird || $this->dialect instanceof MSSQL){ |
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if($this->limit !== null){ |
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$this->bindValues = array_merge([ |
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'limit' => $this->limit, |
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'offset' => $this->offset ?? 0, |
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], $this->bindValues); |
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} |
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} |
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else{ |
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if($this->offset !== null){ |
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$this->bindValues['offset'] = $this->offset; |
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} |
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if($this->limit !== null){ |
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$this->bindValues['limit'] = $this->limit; |
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} |
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} |
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return $this->bindValues; |
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} |
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/** @inheritdoc */ |
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protected function addBindValue(string $key, $value):Statement{ |
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$this->bindValues[$key] = $value; |
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return $this; |
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} |
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/** @inheritdoc */ |
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public function limit(int $limit):Statement{ |
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$this->limit = $limit >= 0 ? $limit : 0; |
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return $this; |
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} |
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/** @inheritdoc */ |
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public function offset(int $offset):Statement{ |
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$this->offset = $offset >= 0 ? $offset : 0; |
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return $this; |
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} |
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/** @inheritdoc */ |
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public function cached(int $ttl = null):Statement{ |
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$this->cached = true; |
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if($ttl > 0){ |
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$this->ttl = $ttl; |
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} |
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return $this; |
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} |
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/** @inheritdoc */ |
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public function query(string $index = null){ |
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$sql = $this->sql(false); |
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$bindvalues = $this instanceof BindValues |
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? $this->getBindValues() |
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: null; |
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$this->logger->debug('QueryTrait::query()', ['method' => __METHOD__, 'sql' => $sql, 'val' => $bindvalues, 'index' => $index]); |
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if($this->cached && $this instanceof Select){ |
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return $this->db->preparedCached($sql, $bindvalues, $index, true, $this->ttl); |
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} |
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return $this->db->prepared($sql, $bindvalues, $index); |
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} |
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} |
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