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<?php |
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/** |
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* This file is part of Phuria SQL Builder package. |
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* |
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* Copyright (c) 2016 Beniamin Jonatan Šimko |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Phuria\SQLBuilder\Connection; |
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use Phuria\SQLBuilder\Parameter\QueryParameterInterface; |
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/** |
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* @author Beniamin Jonatan Šimko <[email protected]> |
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*/ |
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class PDOConnection implements ConnectionInterface |
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{ |
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/** |
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* @var \PDO $wrappedConnection |
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*/ |
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private $wrappedConnection; |
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/** |
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* @param \PDO $connection |
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*/ |
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public function __construct(\PDO $connection) |
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{ |
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$this->wrappedConnection = $connection; |
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} |
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/** |
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* @param $SQL |
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* |
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* @return \PDOStatement |
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*/ |
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private function prepareStatement($SQL) |
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{ |
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return $this->wrappedConnection->prepare($SQL); |
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} |
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/** |
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* @param string $SQL |
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* @param QueryParameterInterface[] $parameters |
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* |
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* @return \PDOStatement |
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*/ |
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private function getExecutedStatement($SQL, array $parameters = []) |
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{ |
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$preparedStmt = $this->prepareStatement($SQL); |
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foreach ($parameters as $parameter) { |
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$preparedStmt->bindValue($parameter->getName(), $parameter->getValue()); |
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} |
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$preparedStmt->execute(); |
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return $preparedStmt; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function fetchScalar($SQL, array $parameters = []) |
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{ |
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$stmt = $this->getExecutedStatement($SQL, $parameters); |
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if (0 < $stmt->rowCount()) { |
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return $stmt->fetch(\PDO::FETCH_COLUMN); |
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} |
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return null; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function fetchRow($SQL, array $parameters = []) |
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{ |
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$stmt = $this->getExecutedStatement($SQL, $parameters); |
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if (0 < $stmt->rowCount()) { |
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return $stmt->fetch(\PDO::FETCH_ASSOC); |
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} |
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return []; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function fetchAll($SQL, array $parameters = []) |
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{ |
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$stmt = $this->getExecutedStatement($SQL, $parameters); |
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if (0 < $stmt->rowCount()) { |
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return $stmt->fetchAll(\PDO::FETCH_ASSOC); |
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} |
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return []; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function rowCount($SQL, array $parameters = []) |
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{ |
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$stmt = $this->getExecutedStatement($SQL, $parameters); |
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return $stmt->rowCount() ?: 0; |
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} |
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} |
phuria /
under-query
