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<?php |
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declare(strict_types=1); |
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namespace Doctrine\DBAL\Driver\OCI8; |
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use Doctrine\DBAL\Driver\Connection; |
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use Doctrine\DBAL\Driver\ResultStatement; |
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use Doctrine\DBAL\Driver\ServerInfoAwareConnection; |
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use Doctrine\DBAL\Driver\Statement as DriverStatement; |
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use UnexpectedValueException; |
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use const OCI_COMMIT_ON_SUCCESS; |
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use const OCI_DEFAULT; |
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use const OCI_NO_AUTO_COMMIT; |
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use function addcslashes; |
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use function oci_commit; |
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use function oci_connect; |
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use function oci_error; |
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use function oci_pconnect; |
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use function oci_rollback; |
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use function oci_server_version; |
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use function preg_match; |
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use function sprintf; |
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use function str_replace; |
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/** |
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* OCI8 implementation of the Connection interface. |
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*/ |
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class OCI8Connection implements Connection, ServerInfoAwareConnection |
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{ |
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/** @var resource */ |
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protected $dbh; |
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/** @var int */ |
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protected $executeMode = OCI_COMMIT_ON_SUCCESS; |
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/** |
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* Creates a Connection to an Oracle Database using oci8 extension. |
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* |
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* @throws OCI8Exception |
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*/ |
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public function __construct( |
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string $username, |
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string $password, |
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string $db, |
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string $charset = '', |
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int $sessionMode = OCI_DEFAULT, |
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bool $persistent = false |
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) { |
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$dbh = $persistent |
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? @oci_pconnect($username, $password, $db, $charset, $sessionMode) |
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: @oci_connect($username, $password, $db, $charset, $sessionMode); |
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if ($dbh === false) { |
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throw OCI8Exception::fromErrorInfo(oci_error()); |
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} |
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$this->dbh = $dbh; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws UnexpectedValueException If the version string returned by the database server |
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* does not contain a parsable version number. |
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*/ |
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public function getServerVersion() : string |
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{ |
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$version = oci_server_version($this->dbh); |
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if ($version === false) { |
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throw OCI8Exception::fromErrorInfo(oci_error($this->dbh)); |
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} |
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if (! preg_match('/\s+(\d+\.\d+\.\d+\.\d+\.\d+)\s+/', $version, $matches)) { |
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throw new UnexpectedValueException( |
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sprintf( |
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'Unexpected database version string "%s". Cannot parse an appropriate version number from it. ' . |
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'Please report this database version string to the Doctrine team.', |
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$version |
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) |
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); |
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} |
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return $matches[1]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function requiresQueryForServerVersion() : bool |
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{ |
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return false; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function prepare(string $sql) : DriverStatement |
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{ |
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return new OCI8Statement($this->dbh, $sql, $this); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function query(string $sql) : ResultStatement |
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{ |
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$stmt = $this->prepare($sql); |
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$stmt->execute(); |
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return $stmt; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function quote(string $input) : string |
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{ |
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return "'" . addcslashes(str_replace("'", "''", $input), "\000\n\r\\\032") . "'"; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function exec(string $statement) : int |
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{ |
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$stmt = $this->prepare($statement); |
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$stmt->execute(); |
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return $stmt->rowCount(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function lastInsertId() : string |
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{ |
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throw new OCI8Exception('The driver does not support identity columns.'); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getSequenceNumber(string $name) : string |
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{ |
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$sql = 'SELECT ' . $name . '.CURRVAL FROM DUAL'; |
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$stmt = $this->query($sql); |
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$result = $stmt->fetchColumn(); |
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if ($result === false) { |
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throw new OCI8Exception('lastInsertId failed: Query was executed but no result was returned.'); |
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} |
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return $result; |
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} |
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/** |
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* Returns the current execution mode. |
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*/ |
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public function getExecuteMode() : int |
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{ |
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return $this->executeMode; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function beginTransaction() : void |
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{ |
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$this->executeMode = OCI_NO_AUTO_COMMIT; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function commit() : void |
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{ |
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if (! oci_commit($this->dbh)) { |
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throw OCI8Exception::fromErrorInfo(oci_error($this->dbh)); |
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} |
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$this->executeMode = OCI_COMMIT_ON_SUCCESS; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function rollBack() : void |
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{ |
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if (! oci_rollback($this->dbh)) { |
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throw OCI8Exception::fromErrorInfo(oci_error($this->dbh)); |
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} |
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$this->executeMode = OCI_COMMIT_ON_SUCCESS; |
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} |
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} |
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doctrine /
dbal
