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add SAP SQL Anywhere database vendor
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‎docs/en/reference/portability.rst‎

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@@ -4,9 +4,9 @@ Portability
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There are often cases when you need to write an application or library that is portable
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across multiple different database vendors. The Doctrine ORM is one example of such
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a library. It is an abstraction layer over all the currently supported vendors (MySQL, Oracle,
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PostgreSQL, SQLite and Microsoft SQL Server). If you want to use the DBAL to write a portable application
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or library you have to follow lots of rules to make all the different vendors work the
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same.
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PostgreSQL, SQLite, SAP SQL Anywhere and Microsoft SQL Server). If you want to use the DBAL
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to write a portable application or library you have to follow lots of rules to make
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all the different vendors work the same.
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There are many different layers that you need to take care of, here is a quick list:
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@@ -39,7 +39,7 @@ Connection Wrapper
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This functionality is only implemented with Doctrine 2.1 upwards.
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To handle all the points 1-3 you have to use a special wrapper around the database
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connection. The handling and differences to tackle are all taken from the great
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connection. The handling and differences to tackle are all taken from the great
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`PEAR MDB2 library <http://pear.php.net/package/MDB2/redirected>`_.
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Using the following code block in your initialization will:

‎lib/Doctrine/DBAL/Driver/SQLAnywhere/Driver.php‎

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<?php
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/*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the MIT license. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\DBAL\Driver\SQLAnywhere;
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use Doctrine\DBAL\Connection;
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use Doctrine\DBAL\Platforms\SQLAnywhere12Platform;
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use Doctrine\DBAL\Schema\SQLAnywhereSchemaManager;
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/**
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* A Doctrine DBAL driver for the SAP Sybase SQL Anywhere PHP extension.
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*
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* @author Steve Müller <[email protected]>
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* @link www.doctrine-project.org
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* @since 2.5
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*/
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class Driver implements \Doctrine\DBAL\Driver
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{
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/**
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* Build the connection string for given connection parameters and driver options.
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*
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* @param string $host Host address to connect to.
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* @param integer $port Port to use for the connection (default to SQL Anywhere standard port 2683).
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* @param string $server Database server name on the host to connect to.
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* SQL Anywhere allows multiple database server instances on the same host,
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* therefore specifying the server instance name to use is mandatory.
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* @param string $dbname Name of the database on the server instance to connect to.
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* @param string $username User name to use for connection authentication.
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* @param string $password Password to use for connection authentication.
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* @param array $driverOptions Additional parameters to use for the connection.
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*
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* @return string
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*/
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public function buildDsn($host, $port, $server, $dbname, $username = null, $password = null, array $driverOptions = array())
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{
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$port = $port ?: 2683;
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return
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'LINKS=tcpip(HOST=' . $host . ';PORT=' . $port . ';DoBroadcast=Direct)' .
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';SERVER=' . $server .
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';DBN=' . $dbname .
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';UID=' . $username .
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';PWD=' . $password .
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';' . implode(
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';',
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array_map(function ($key, $value) {
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return $key . '=' . $value;
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}, array_keys($driverOptions), $driverOptions)
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);
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}
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/**
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* {@inheritdoc}
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*
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* @throws SQLAnywhereException
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*/
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public function connect(array $params, $username = null, $password = null, array $driverOptions = array())
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{
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if ( ! isset($params['host'])) {
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throw new SQLAnywhereException("Missing 'host' in configuration for sqlanywhere driver.");
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}
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if ( ! isset($params['server'])) {
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throw new SQLAnywhereException("Missing 'server' in configuration for sqlanywhere driver.");
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}
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if ( ! isset($params['dbname'])) {
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throw new SQLAnywhereException("Missing 'dbname' in configuration for sqlanywhere driver.");
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}
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return new SQLAnywhereConnection(
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$this->buildDsn(
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$params['host'],
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isset($params['port']) ? $params['port'] : null,
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$params['server'],
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$params['dbname'],
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$username,
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$password,
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$driverOptions
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),
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isset($params['persistent']) ? $params['persistent'] : false
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);
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}
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/**
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* {@inheritdoc}
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*/
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public function getDatabase(Connection $conn)
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{
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$params = $conn->getParams();
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return $params['dbname'];
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}
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/**
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* {@inheritdoc}
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*/
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public function getDatabasePlatform()
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{
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return new SQLAnywhere12Platform();
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}
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/**
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* {@inheritdoc}
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*/
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public function getName()
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{
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return 'sqlanywhere';
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}
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/**
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* {@inheritdoc}
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*/
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public function getSchemaManager(Connection $conn)
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{
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return new SQLAnywhereSchemaManager($conn);
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}
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}

‎lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereConnection.php‎

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<?php
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/*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
10+
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the MIT license. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\DBAL\Driver\SQLAnywhere;
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use Doctrine\DBAL\Driver\Connection;
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/**
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* SAP Sybase SQL Anywhere implementation of the Connection interface.
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*
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* @author Steve Müller <[email protected]>
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* @link www.doctrine-project.org
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* @since 2.5
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*/
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class SQLAnywhereConnection implements Connection
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{
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/**
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* @var resource The SQL Anywhere connection resource.
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*/
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private $conn;
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/**
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* Constructor.
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*
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* Connects to database with given connection string.
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*
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* @param string $dsn The connection string.
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* @param boolean $persistent Whether or not to establish a persistent connection.
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*
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* @throws SQLAnywhereException
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*/
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public function __construct($dsn, $persistent = false)
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{
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$this->conn = $persistent ? @sasql_pconnect($dsn) : @sasql_connect($dsn);
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if ( ! is_resource($this->conn) || get_resource_type($this->conn) != 'SQLAnywhere connection') {
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throw SQLAnywhereException::fromSQLAnywhereError();
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}
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/**
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* Disable PHP warnings on error
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*/
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if ( ! sasql_set_option($this->conn, 'verbose_errors', false)) {
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throw SQLAnywhereException::fromSQLAnywhereError($this->conn);
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}
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/**
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* Enable auto committing by default
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*/
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if ( ! sasql_set_option($this->conn, 'auto_commit', 'on')) {
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throw SQLAnywhereException::fromSQLAnywhereError($this->conn);
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}
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/**
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* Enable exact, non-approximated row count retrieval
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*/
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if ( ! sasql_set_option($this->conn, 'row_counts', true)) {
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throw SQLAnywhereException::fromSQLAnywhereError($this->conn);
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}
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}
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/**
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* {@inheritdoc}
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*
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* @throws SQLAnywhereException
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*/
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public function beginTransaction()
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{
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if ( ! sasql_set_option($this->conn, 'auto_commit', 'off')) {
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throw SQLAnywhereException::fromSQLAnywhereError($this->conn);
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}
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return true;
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}
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/**
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* {@inheritdoc}
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*
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* @throws SQLAnywhereException
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*/
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public function commit()
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{
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if ( ! sasql_commit($this->conn)) {
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throw SQLAnywhereException::fromSQLAnywhereError($this->conn);
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}
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$this->endTransaction();
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return true;
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}
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/**
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* {@inheritdoc}
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*/
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public function errorCode()
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{
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return sasql_errorcode($this->conn);
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}
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/**
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* {@inheritdoc}
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*/
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public function errorInfo()
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{
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return sasql_error($this->conn);
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}
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/**
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* {@inheritdoc}
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*/
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public function exec($statement)
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{
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$stmt = $this->prepare($statement);
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$stmt->execute();
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return $stmt->rowCount();
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}
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/**
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* {@inheritdoc}
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*/
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public function lastInsertId($name = null)
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{
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if ($name === null) {
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return sasql_insert_id($this->conn);
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}
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return $this->query('SELECT ' . $name . '.CURRVAL')->fetchColumn();
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}
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/**
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* {@inheritdoc}
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*/
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public function prepare($prepareString)
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{
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return new SQLAnywhereStatement($this->conn, $prepareString);
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}
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/**
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* {@inheritdoc}
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*/
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public function query()
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{
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$args = func_get_args();
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$stmt = $this->prepare($args[0]);
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$stmt->execute();
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return $stmt;
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}
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/**
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* {@inheritdoc}
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*/
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public function quote($input, $type = \PDO::PARAM_STR)
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{
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if (is_int($input) || is_float($input)) {
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return $input;
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}
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return "'" . sasql_escape_string($this->conn, $input) . "'";
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}
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/**
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* {@inheritdoc}
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*
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* @throws SQLAnywhereException
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*/
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public function rollBack()
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{
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if ( ! sasql_rollback($this->conn)) {
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throw SQLAnywhereException::fromSQLAnywhereError($this->conn);
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}
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$this->endTransaction();
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return true;
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}
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/**
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* Ends transactional mode and enables auto commit again.
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*
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* @throws SQLAnywhereException
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*
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* @return boolean Whether or not ending transactional mode succeeded.
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*/
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private function endTransaction()
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{
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if ( ! sasql_set_option($this->conn, 'auto_commit', 'on')) {
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throw SQLAnywhereException::fromSQLAnywhereError($this->conn);
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}
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return true;
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}
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}

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