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vendor/doctrine/dbal/src/Driver/IBMDB2/Connection.php

@@ -0,0 +1,141 @@
+<?php
+
+namespace Doctrine\DBAL\Driver\IBMDB2;
+
+use Doctrine\DBAL\Driver\IBMDB2\Exception\ConnectionError;
+use Doctrine\DBAL\Driver\IBMDB2\Exception\PrepareFailed;
+use Doctrine\DBAL\Driver\IBMDB2\Exception\StatementError;
+use Doctrine\DBAL\Driver\Result as ResultInterface;
+use Doctrine\DBAL\Driver\ServerInfoAwareConnection;
+use Doctrine\DBAL\Driver\Statement as DriverStatement;
+use Doctrine\DBAL\ParameterType;
+use Doctrine\Deprecations\Deprecation;
+use stdClass;
+
+use function assert;
+use function db2_autocommit;
+use function db2_commit;
+use function db2_escape_string;
+use function db2_exec;
+use function db2_last_insert_id;
+use function db2_num_rows;
+use function db2_prepare;
+use function db2_rollback;
+use function db2_server_info;
+use function error_get_last;
+
+use const DB2_AUTOCOMMIT_OFF;
+use const DB2_AUTOCOMMIT_ON;
+
+final class Connection implements ServerInfoAwareConnection
+{
+    /** @var resource */
+    private $connection;
+
+    /**
+     * @internal The connection can be only instantiated by its driver.
+     *
+     * @param resource $connection
+     */
+    public function __construct($connection)
+    {
+        $this->connection = $connection;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getServerVersion()
+    {
+        $serverInfo = db2_server_info($this->connection);
+        assert($serverInfo instanceof stdClass);
+
+        return $serverInfo->DBMS_VER;
+    }
+
+    public function prepare(string $sql): DriverStatement
+    {
+        $stmt = @db2_prepare($this->connection, $sql);
+
+        if ($stmt === false) {
+            throw PrepareFailed::new(error_get_last());
+        }
+
+        return new Statement($stmt);
+    }
+
+    public function query(string $sql): ResultInterface
+    {
+        return $this->prepare($sql)->execute();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function quote($value, $type = ParameterType::STRING)
+    {
+        $value = db2_escape_string($value);
+
+        if ($type === ParameterType::INTEGER) {
+            return $value;
+        }
+
+        return "'" . $value . "'";
+    }
+
+    public function exec(string $sql): int
+    {
+        $stmt = @db2_exec($this->connection, $sql);
+
+        if ($stmt === false) {
+            throw StatementError::new();
+        }
+
+        return db2_num_rows($stmt);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function lastInsertId($name = null)
+    {
+        if ($name !== null) {
+            Deprecation::triggerIfCalledFromOutside(
+                'doctrine/dbal',
+                'https://github.com/doctrine/dbal/issues/4687',
+                'The usage of Connection::lastInsertId() with a sequence name is deprecated.',
+            );
+        }
+
+        return db2_last_insert_id($this->connection) ?? false;
+    }
+
+    public function beginTransaction(): bool
+    {
+        return db2_autocommit($this->connection, DB2_AUTOCOMMIT_OFF);
+    }
+
+    public function commit(): bool
+    {
+        if (! db2_commit($this->connection)) {
+            throw ConnectionError::new($this->connection);
+        }
+
+        return db2_autocommit($this->connection, DB2_AUTOCOMMIT_ON);
+    }
+
+    public function rollBack(): bool
+    {
+        if (! db2_rollback($this->connection)) {
+            throw ConnectionError::new($this->connection);
+        }
+
+        return db2_autocommit($this->connection, DB2_AUTOCOMMIT_ON);
+    }
+
+    /** @return resource */
+    public function getNativeConnection()
+    {
+        return $this->connection;
+    }
+}