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<?php |
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/** |
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* @license LGPLv3, https://opensource.org/licenses/LGPL-3.0 |
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* @copyright Aimeos (aimeos.org), 2015-2025 |
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* @package Base |
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* @subpackage DB |
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*/ |
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namespace Aimeos\Base\DB\Statement\PDO; |
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/** |
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* Database statement class for prepared PDO statements. |
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* |
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* @package Base |
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* @subpackage DB |
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*/ |
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class Prepared extends \Aimeos\Base\DB\Statement\Base implements \Aimeos\Base\DB\Statement\Iface |
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{ |
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private array $binds = []; |
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private string $sql; |
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/** |
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* Initializes the statement object |
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* |
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* @param \Aimeos\Base\DB\Connection\PDO $conn Database connection object |
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* @param string $sql SQL statement |
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*/ |
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public function __construct( \Aimeos\Base\DB\Connection\PDO $conn, string $sql ) |
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{ |
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parent::__construct( $conn ); |
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$this->sql = $sql; |
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} |
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/** |
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* Returns the SQL string as sent to the database (magic PHP method) |
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* |
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* @return string SQL statement |
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*/ |
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public function __toString() |
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{ |
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return $this->sql . ":\n" . print_r( array_column( $this->binds, 0 ), true ); |
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} |
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/** |
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* Binds a value to a parameter in the statement |
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* |
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* @param int $position Position index of the placeholder |
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* @param mixed $value Value which should be bound to the placeholder |
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* @param int $type Type of given value defined in \Aimeos\Base\DB\Statement\Base as constant |
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* @return \Aimeos\Base\DB\Statement\Iface Statement instance for method chaining |
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* @throws \Aimeos\Base\DB\Exception If an error occured in the unterlying driver |
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*/ |
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public function bind( int $position, $value, int $type = \Aimeos\Base\DB\Statement\Base::PARAM_STR ) : \Aimeos\Base\DB\Statement\Iface |
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{ |
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$this->binds[$position] = [$value, $type]; |
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return $this; |
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} |
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/** |
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* Executes the statement |
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* |
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* @return \Aimeos\Base\DB\Result\Iface Result object |
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* @throws \Aimeos\Base\DB\Exception If an error occured in the unterlying driver |
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*/ |
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public function execute() : \Aimeos\Base\DB\Result\Iface |
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{ |
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try { |
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$stmt = $this->exec(); |
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} catch( \PDOException $e ) { |
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throw new \Aimeos\Base\DB\Exception( $e->getMessage() . ': ' . $this->sql . json_encode( array_column( $this->binds, 0 ) ), $e->getCode(), $e->errorInfo ); |
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} |
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return new \Aimeos\Base\DB\Result\PDO( $stmt ); |
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} |
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/** |
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* Binds the parameters and executes the SQL statment |
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* |
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* @return \PDOStatement Executed PDO statement |
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*/ |
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protected function exec() : \PDOStatement |
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{ |
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$conn = $this->getConnection(); |
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$stmt = $conn->getRawObject()->prepare( $this->sql ); |
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foreach( $this->binds as $position => $list ) { |
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$stmt->bindValue( $position, $list[0], $this->getPdoType( $list[1], $list[0] ) ); |
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} |
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try |
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{ |
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$stmt->execute(); |
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} |
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catch( \PDOException $e ) |
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{ |
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// recover from lost connection (MySQL) |
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if( !isset( $e->errorInfo[1] ) || $e->errorInfo[1] != 2006 || $conn->inTransaction() === true ) { |
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throw $e; |
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} |
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$conn->connect(); |
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return $this->exec(); |
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} |
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return $stmt; |
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} |
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/** |
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* Returns the PDO type mapped to the Aimeos type |
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* |
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* @param integer $type Type of given value defined in \Aimeos\Base\DB\Statement\Base as constant |
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* @param mixed $value Value which should be bound to the placeholder |
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* @return integer PDO parameter type constant |
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* @throws \Aimeos\Base\DB\Exception If the type is unknown |
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*/ |
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protected function getPdoType( int $type, $value ) : int |
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{ |
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switch( $type ) |
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{ |
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case \Aimeos\Base\DB\Statement\Base::PARAM_NULL: |
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$pdotype = \PDO::PARAM_NULL; break; |
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case \Aimeos\Base\DB\Statement\Base::PARAM_BOOL: |
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$pdotype = \PDO::PARAM_BOOL; break; |
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case \Aimeos\Base\DB\Statement\Base::PARAM_INT: |
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$pdotype = \PDO::PARAM_INT; break; |
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case \Aimeos\Base\DB\Statement\Base::PARAM_FLOAT: |
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$pdotype = \PDO::PARAM_STR; break; |
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case \Aimeos\Base\DB\Statement\Base::PARAM_STR: |
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$pdotype = \PDO::PARAM_STR; break; |
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case \Aimeos\Base\DB\Statement\Base::PARAM_LOB: |
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$pdotype = \PDO::PARAM_LOB; break; |
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default: |
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throw new \Aimeos\Base\DB\Exception( sprintf( 'Invalid parameter type "%1$s"', $type ) ); |
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} |
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if( is_null( $value ) ) { |
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$pdotype = \PDO::PARAM_NULL; |
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} |
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return $pdotype; |
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} |
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} |
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aimeos /
aimeos-base
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