126 lines
3.0 KiB
PHP
126 lines
3.0 KiB
PHP
<?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 as ConnectionInterface;
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use Doctrine\DBAL\Driver\Exception;
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use Doctrine\DBAL\Driver\Exception\IdentityColumnsNotSupported;
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use Doctrine\DBAL\Driver\OCI8\Exception\Error;
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use Doctrine\DBAL\SQL\Parser;
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use function addcslashes;
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use function assert;
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use function is_resource;
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use function oci_commit;
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use function oci_parse;
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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 str_replace;
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final class Connection implements ConnectionInterface
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{
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private readonly Parser $parser;
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private readonly ExecutionMode $executionMode;
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/**
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* @internal The connection can be only instantiated by its driver.
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*
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* @param resource $connection
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*/
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public function __construct(private readonly mixed $connection)
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{
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$this->parser = new Parser(false);
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$this->executionMode = new ExecutionMode();
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}
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public function getServerVersion(): string
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{
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$version = oci_server_version($this->connection);
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assert($version !== false);
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$result = preg_match('/\s+(\d+\.\d+\.\d+\.\d+\.\d+)\s+/', $version, $matches);
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assert($result === 1);
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return $matches[1];
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}
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/**
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* @throws Parser\Exception
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* @throws Error
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*/
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public function prepare(string $sql): Statement
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{
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$visitor = new ConvertPositionalToNamedPlaceholders();
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$this->parser->parse($sql, $visitor);
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$statement = @oci_parse($this->connection, $visitor->getSQL());
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if (! is_resource($statement)) {
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throw Error::new($this->connection);
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}
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return new Statement($this->connection, $statement, $visitor->getParameterMap(), $this->executionMode);
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}
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/**
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* @throws Exception
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* @throws Parser\Exception
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*/
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public function query(string $sql): Result
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{
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return $this->prepare($sql)->execute();
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}
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public function quote(string $value): string
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{
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return "'" . addcslashes(str_replace("'", "''", $value), "\000\n\r\\\032") . "'";
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}
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/**
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* @throws Exception
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* @throws Parser\Exception
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*/
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public function exec(string $sql): int|string
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{
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return $this->prepare($sql)->execute()->rowCount();
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}
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public function lastInsertId(): int|string
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{
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throw IdentityColumnsNotSupported::new();
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}
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public function beginTransaction(): void
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{
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$this->executionMode->disableAutoCommit();
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}
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public function commit(): void
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{
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if (! @oci_commit($this->connection)) {
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throw Error::new($this->connection);
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}
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$this->executionMode->enableAutoCommit();
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}
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public function rollBack(): void
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{
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if (! oci_rollback($this->connection)) {
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throw Error::new($this->connection);
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}
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$this->executionMode->enableAutoCommit();
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}
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/** @return resource */
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public function getNativeConnection()
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{
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return $this->connection;
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}
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}
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