1707 lines
51 KiB
PHP
1707 lines
51 KiB
PHP
<?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;
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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\Exception\InvalidArgumentException;
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use Closure;
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use Exception;
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use Doctrine\DBAL\Types\Type;
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use Doctrine\DBAL\Driver\Connection as DriverConnection;
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use Doctrine\DBAL\Driver\Statement as DriverStatement;
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use Doctrine\Common\EventManager;
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use Doctrine\DBAL\Cache\ResultCacheStatement;
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use Doctrine\DBAL\Cache\QueryCacheProfile;
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use Doctrine\DBAL\Cache\ArrayStatement;
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use Doctrine\DBAL\Cache\CacheException;
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use Doctrine\DBAL\Driver\PingableConnection;
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use Throwable;
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use function assert;
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use function array_key_exists;
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use function array_merge;
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use function func_get_args;
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use function implode;
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use function is_int;
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use function is_string;
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use function key;
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/**
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* A wrapper around a Doctrine\DBAL\Driver\Connection that adds features like
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* events, transaction isolation levels, configuration, emulated transaction nesting,
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* lazy connecting and more.
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*
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* @link www.doctrine-project.org
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* @since 2.0
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* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
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* @author Jonathan Wage <jonwage@gmail.com>
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* @author Roman Borschel <roman@code-factory.org>
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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* @author Lukas Smith <smith@pooteeweet.org> (MDB2 library)
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* @author Benjamin Eberlei <kontakt@beberlei.de>
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*/
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class Connection implements DriverConnection
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{
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/**
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* Constant for transaction isolation level READ UNCOMMITTED.
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*
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* @deprecated Use TransactionIsolationLevel::READ_UNCOMMITTED.
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*/
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public const TRANSACTION_READ_UNCOMMITTED = TransactionIsolationLevel::READ_UNCOMMITTED;
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/**
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* Constant for transaction isolation level READ COMMITTED.
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*
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* @deprecated Use TransactionIsolationLevel::READ_COMMITTED.
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*/
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public const TRANSACTION_READ_COMMITTED = TransactionIsolationLevel::READ_COMMITTED;
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/**
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* Constant for transaction isolation level REPEATABLE READ.
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*
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* @deprecated Use TransactionIsolationLevel::REPEATABLE_READ.
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*/
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public const TRANSACTION_REPEATABLE_READ = TransactionIsolationLevel::REPEATABLE_READ;
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/**
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* Constant for transaction isolation level SERIALIZABLE.
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*
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* @deprecated Use TransactionIsolationLevel::SERIALIZABLE.
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*/
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public const TRANSACTION_SERIALIZABLE = TransactionIsolationLevel::SERIALIZABLE;
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/**
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* Represents an array of ints to be expanded by Doctrine SQL parsing.
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*
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* @var int
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*/
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public const PARAM_INT_ARRAY = ParameterType::INTEGER + self::ARRAY_PARAM_OFFSET;
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/**
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* Represents an array of strings to be expanded by Doctrine SQL parsing.
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*
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* @var int
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*/
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public const PARAM_STR_ARRAY = ParameterType::STRING + self::ARRAY_PARAM_OFFSET;
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/**
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* Offset by which PARAM_* constants are detected as arrays of the param type.
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*
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* @var int
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*/
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const ARRAY_PARAM_OFFSET = 100;
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/**
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* The wrapped driver connection.
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*
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* @var \Doctrine\DBAL\Driver\Connection|null
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*/
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protected $_conn;
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/**
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* @var \Doctrine\DBAL\Configuration
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*/
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protected $_config;
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/**
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* @var \Doctrine\Common\EventManager
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*/
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protected $_eventManager;
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/**
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* @var \Doctrine\DBAL\Query\Expression\ExpressionBuilder
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*/
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protected $_expr;
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/**
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* Whether or not a connection has been established.
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*
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* @var bool
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*/
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private $_isConnected = false;
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/**
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* The current auto-commit mode of this connection.
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*
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* @var bool
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*/
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private $autoCommit = true;
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/**
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* The transaction nesting level.
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*
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* @var int
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*/
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private $_transactionNestingLevel = 0;
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/**
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* The currently active transaction isolation level.
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*
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* @var int
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*/
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private $_transactionIsolationLevel;
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/**
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* If nested transactions should use savepoints.
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*
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* @var bool
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*/
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private $_nestTransactionsWithSavepoints = false;
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/**
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* The parameters used during creation of the Connection instance.
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*
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* @var array
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*/
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private $_params = [];
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/**
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* The DatabasePlatform object that provides information about the
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* database platform used by the connection.
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*
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* @var \Doctrine\DBAL\Platforms\AbstractPlatform
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*/
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private $platform;
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/**
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* The schema manager.
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*
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* @var \Doctrine\DBAL\Schema\AbstractSchemaManager
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*/
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protected $_schemaManager;
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/**
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* The used DBAL driver.
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*
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* @var \Doctrine\DBAL\Driver
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*/
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protected $_driver;
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/**
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* Flag that indicates whether the current transaction is marked for rollback only.
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*
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* @var bool
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*/
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private $_isRollbackOnly = false;
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/**
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* @var int
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*/
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protected $defaultFetchMode = FetchMode::ASSOCIATIVE;
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/**
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* Initializes a new instance of the Connection class.
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*
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* @param array $params The connection parameters.
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* @param \Doctrine\DBAL\Driver $driver The driver to use.
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* @param \Doctrine\DBAL\Configuration|null $config The configuration, optional.
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* @param \Doctrine\Common\EventManager|null $eventManager The event manager, optional.
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*
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* @throws \Doctrine\DBAL\DBALException
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*/
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public function __construct(array $params, Driver $driver, Configuration $config = null,
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EventManager $eventManager = null)
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{
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$this->_driver = $driver;
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$this->_params = $params;
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if (isset($params['pdo'])) {
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$this->_conn = $params['pdo'];
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$this->_isConnected = true;
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unset($this->_params['pdo']);
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}
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if (isset($params["platform"])) {
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if ( ! $params['platform'] instanceof Platforms\AbstractPlatform) {
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throw DBALException::invalidPlatformType($params['platform']);
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}
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$this->platform = $params["platform"];
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unset($this->_params["platform"]);
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}
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// Create default config and event manager if none given
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if ( ! $config) {
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$config = new Configuration();
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}
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if ( ! $eventManager) {
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$eventManager = new EventManager();
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}
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$this->_config = $config;
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$this->_eventManager = $eventManager;
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$this->_expr = new Query\Expression\ExpressionBuilder($this);
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$this->autoCommit = $config->getAutoCommit();
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}
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/**
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* Gets the parameters used during instantiation.
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*
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* @return array
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*/
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public function getParams()
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{
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return $this->_params;
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}
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/**
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* Gets the name of the database this Connection is connected to.
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*
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* @return string
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*/
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public function getDatabase()
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{
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return $this->_driver->getDatabase($this);
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}
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/**
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* Gets the hostname of the currently connected database.
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*
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* @return string|null
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*/
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public function getHost()
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{
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return $this->_params['host'] ?? null;
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}
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/**
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* Gets the port of the currently connected database.
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*
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* @return mixed
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*/
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public function getPort()
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{
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return $this->_params['port'] ?? null;
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}
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/**
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* Gets the username used by this connection.
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*
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* @return string|null
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*/
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public function getUsername()
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{
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return $this->_params['user'] ?? null;
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}
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/**
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* Gets the password used by this connection.
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*
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* @return string|null
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*/
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public function getPassword()
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{
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return $this->_params['password'] ?? null;
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}
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/**
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* Gets the DBAL driver instance.
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*
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* @return \Doctrine\DBAL\Driver
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*/
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public function getDriver()
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{
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return $this->_driver;
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}
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/**
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* Gets the Configuration used by the Connection.
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*
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* @return \Doctrine\DBAL\Configuration
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*/
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public function getConfiguration()
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{
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return $this->_config;
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}
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/**
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* Gets the EventManager used by the Connection.
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*
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* @return \Doctrine\Common\EventManager
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*/
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public function getEventManager()
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{
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return $this->_eventManager;
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}
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/**
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* Gets the DatabasePlatform for the connection.
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*
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* @return \Doctrine\DBAL\Platforms\AbstractPlatform
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*
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* @throws \Doctrine\DBAL\DBALException
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*/
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public function getDatabasePlatform()
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{
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if (null === $this->platform) {
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$this->detectDatabasePlatform();
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}
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return $this->platform;
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}
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/**
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* Gets the ExpressionBuilder for the connection.
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*
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* @return \Doctrine\DBAL\Query\Expression\ExpressionBuilder
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*/
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public function getExpressionBuilder()
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{
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return $this->_expr;
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}
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/**
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* Establishes the connection with the database.
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*
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* @return bool TRUE if the connection was successfully established, FALSE if
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* the connection is already open.
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*/
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public function connect()
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{
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if ($this->_isConnected) {
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return false;
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}
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$driverOptions = $this->_params['driverOptions'] ?? [];
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$user = $this->_params['user'] ?? null;
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$password = $this->_params['password'] ?? null;
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$this->_conn = $this->_driver->connect($this->_params, $user, $password, $driverOptions);
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$this->_isConnected = true;
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if (false === $this->autoCommit) {
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$this->beginTransaction();
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}
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if ($this->_eventManager->hasListeners(Events::postConnect)) {
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$eventArgs = new Event\ConnectionEventArgs($this);
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$this->_eventManager->dispatchEvent(Events::postConnect, $eventArgs);
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}
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return true;
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}
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/**
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* Detects and sets the database platform.
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*
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* Evaluates custom platform class and version in order to set the correct platform.
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*
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* @throws DBALException if an invalid platform was specified for this connection.
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*/
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private function detectDatabasePlatform()
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{
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$version = $this->getDatabasePlatformVersion();
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if ($version !== null) {
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assert($this->_driver instanceof VersionAwarePlatformDriver);
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$this->platform = $this->_driver->createDatabasePlatformForVersion($version);
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} else {
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$this->platform = $this->_driver->getDatabasePlatform();
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}
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$this->platform->setEventManager($this->_eventManager);
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}
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/**
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* Returns the version of the related platform if applicable.
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*
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* Returns null if either the driver is not capable to create version
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* specific platform instances, no explicit server version was specified
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* or the underlying driver connection cannot determine the platform
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* version without having to query it (performance reasons).
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*
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* @return string|null
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*
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* @throws Exception
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*/
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private function getDatabasePlatformVersion()
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{
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// Driver does not support version specific platforms.
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if ( ! $this->_driver instanceof VersionAwarePlatformDriver) {
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return null;
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}
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// Explicit platform version requested (supersedes auto-detection).
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if (isset($this->_params['serverVersion'])) {
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return $this->_params['serverVersion'];
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}
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// If not connected, we need to connect now to determine the platform version.
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if (null === $this->_conn) {
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try {
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$this->connect();
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} catch (\Exception $originalException) {
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if (empty($this->_params['dbname'])) {
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throw $originalException;
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}
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// The database to connect to might not yet exist.
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// Retry detection without database name connection parameter.
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$databaseName = $this->_params['dbname'];
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$this->_params['dbname'] = null;
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try {
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$this->connect();
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} catch (\Exception $fallbackException) {
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// Either the platform does not support database-less connections
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// or something else went wrong.
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// Reset connection parameters and rethrow the original exception.
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$this->_params['dbname'] = $databaseName;
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throw $originalException;
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}
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// Reset connection parameters.
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$this->_params['dbname'] = $databaseName;
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$serverVersion = $this->getServerVersion();
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// Close "temporary" connection to allow connecting to the real database again.
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$this->close();
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return $serverVersion;
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}
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}
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return $this->getServerVersion();
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}
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/**
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* Returns the database server version if the underlying driver supports it.
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*
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* @return string|null
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*/
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private function getServerVersion()
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{
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// Automatic platform version detection.
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if ($this->_conn instanceof ServerInfoAwareConnection &&
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! $this->_conn->requiresQueryForServerVersion()
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) {
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return $this->_conn->getServerVersion();
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}
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// Unable to detect platform version.
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return null;
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}
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/**
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* Returns the current auto-commit mode for this connection.
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*
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* @return bool True if auto-commit mode is currently enabled for this connection, false otherwise.
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*
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* @see setAutoCommit
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*/
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public function isAutoCommit()
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{
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return true === $this->autoCommit;
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}
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/**
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* Sets auto-commit mode for this connection.
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*
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* If a connection is in auto-commit mode, then all its SQL statements will be executed and committed as individual
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* transactions. Otherwise, its SQL statements are grouped into transactions that are terminated by a call to either
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* the method commit or the method rollback. By default, new connections are in auto-commit mode.
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*
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* NOTE: If this method is called during a transaction and the auto-commit mode is changed, the transaction is
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* committed. If this method is called and the auto-commit mode is not changed, the call is a no-op.
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*
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* @param bool $autoCommit True to enable auto-commit mode; false to disable it.
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*
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* @see isAutoCommit
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*/
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public function setAutoCommit($autoCommit)
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{
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$autoCommit = (boolean) $autoCommit;
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// Mode not changed, no-op.
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if ($autoCommit === $this->autoCommit) {
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return;
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}
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$this->autoCommit = $autoCommit;
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// Commit all currently active transactions if any when switching auto-commit mode.
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if (true === $this->_isConnected && 0 !== $this->_transactionNestingLevel) {
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$this->commitAll();
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}
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}
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|
|
/**
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* Sets the fetch mode.
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*
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* @param int $fetchMode
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*
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* @return void
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*/
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public function setFetchMode($fetchMode)
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{
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$this->defaultFetchMode = $fetchMode;
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}
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|
|
/**
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* Prepares and executes an SQL query and returns the first row of the result
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* as an associative array.
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*
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* @param string $statement The SQL query.
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* @param array $params The query parameters.
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* @param array $types The query parameter types.
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*
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* @return array|bool False is returned if no rows are found.
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*
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* @throws \Doctrine\DBAL\DBALException
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*/
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public function fetchAssoc($statement, array $params = [], array $types = [])
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{
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return $this->executeQuery($statement, $params, $types)->fetch(FetchMode::ASSOCIATIVE);
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}
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|
|
/**
|
|
* Prepares and executes an SQL query and returns the first row of the result
|
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* as a numerically indexed array.
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|
*
|
|
* @param string $statement The SQL query to be executed.
|
|
* @param array $params The prepared statement params.
|
|
* @param array $types The query parameter types.
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|
*
|
|
* @return array|bool False is returned if no rows are found.
|
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*/
|
|
public function fetchArray($statement, array $params = [], array $types = [])
|
|
{
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return $this->executeQuery($statement, $params, $types)->fetch(FetchMode::NUMERIC);
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}
|
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|
|
/**
|
|
* Prepares and executes an SQL query and returns the value of a single column
|
|
* of the first row of the result.
|
|
*
|
|
* @param string $statement The SQL query to be executed.
|
|
* @param array $params The prepared statement params.
|
|
* @param int $column The 0-indexed column number to retrieve.
|
|
* @param array $types The query parameter types.
|
|
*
|
|
* @return mixed|bool False is returned if no rows are found.
|
|
*
|
|
* @throws \Doctrine\DBAL\DBALException
|
|
*/
|
|
public function fetchColumn($statement, array $params = [], $column = 0, array $types = [])
|
|
{
|
|
return $this->executeQuery($statement, $params, $types)->fetchColumn($column);
|
|
}
|
|
|
|
/**
|
|
* Whether an actual connection to the database is established.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function isConnected()
|
|
{
|
|
return $this->_isConnected;
|
|
}
|
|
|
|
/**
|
|
* Checks whether a transaction is currently active.
|
|
*
|
|
* @return bool TRUE if a transaction is currently active, FALSE otherwise.
|
|
*/
|
|
public function isTransactionActive()
|
|
{
|
|
return $this->_transactionNestingLevel > 0;
|
|
}
|
|
|
|
/**
|
|
* Gathers conditions for an update or delete call.
|
|
*
|
|
* @param array $identifiers Input array of columns to values
|
|
*
|
|
* @return string[][] a triplet with:
|
|
* - the first key being the columns
|
|
* - the second key being the values
|
|
* - the third key being the conditions
|
|
*/
|
|
private function gatherConditions(array $identifiers)
|
|
{
|
|
$columns = [];
|
|
$values = [];
|
|
$conditions = [];
|
|
|
|
foreach ($identifiers as $columnName => $value) {
|
|
if (null === $value) {
|
|
$conditions[] = $this->getDatabasePlatform()->getIsNullExpression($columnName);
|
|
continue;
|
|
}
|
|
|
|
$columns[] = $columnName;
|
|
$values[] = $value;
|
|
$conditions[] = $columnName . ' = ?';
|
|
}
|
|
|
|
return [$columns, $values, $conditions];
|
|
}
|
|
|
|
/**
|
|
* Executes an SQL DELETE statement on a table.
|
|
*
|
|
* Table expression and columns are not escaped and are not safe for user-input.
|
|
*
|
|
* @param string $tableExpression The expression of the table on which to delete.
|
|
* @param array $identifier The deletion criteria. An associative array containing column-value pairs.
|
|
* @param array $types The types of identifiers.
|
|
*
|
|
* @return int The number of affected rows.
|
|
*
|
|
* @throws \Doctrine\DBAL\DBALException
|
|
* @throws InvalidArgumentException
|
|
*/
|
|
public function delete($tableExpression, array $identifier, array $types = [])
|
|
{
|
|
if (empty($identifier)) {
|
|
throw InvalidArgumentException::fromEmptyCriteria();
|
|
}
|
|
|
|
list($columns, $values, $conditions) = $this->gatherConditions($identifier);
|
|
|
|
return $this->executeUpdate(
|
|
'DELETE FROM ' . $tableExpression . ' WHERE ' . implode(' AND ', $conditions),
|
|
$values,
|
|
is_string(key($types)) ? $this->extractTypeValues($columns, $types) : $types
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Closes the connection.
|
|
*
|
|
* @return void
|
|
*/
|
|
public function close()
|
|
{
|
|
$this->_conn = null;
|
|
|
|
$this->_isConnected = false;
|
|
}
|
|
|
|
/**
|
|
* Sets the transaction isolation level.
|
|
*
|
|
* @param int $level The level to set.
|
|
*
|
|
* @return int
|
|
*/
|
|
public function setTransactionIsolation($level)
|
|
{
|
|
$this->_transactionIsolationLevel = $level;
|
|
|
|
return $this->executeUpdate($this->getDatabasePlatform()->getSetTransactionIsolationSQL($level));
|
|
}
|
|
|
|
/**
|
|
* Gets the currently active transaction isolation level.
|
|
*
|
|
* @return int The current transaction isolation level.
|
|
*/
|
|
public function getTransactionIsolation()
|
|
{
|
|
if (null === $this->_transactionIsolationLevel) {
|
|
$this->_transactionIsolationLevel = $this->getDatabasePlatform()->getDefaultTransactionIsolationLevel();
|
|
}
|
|
|
|
return $this->_transactionIsolationLevel;
|
|
}
|
|
|
|
/**
|
|
* Executes an SQL UPDATE statement on a table.
|
|
*
|
|
* Table expression and columns are not escaped and are not safe for user-input.
|
|
*
|
|
* @param string $tableExpression The expression of the table to update quoted or unquoted.
|
|
* @param array $data An associative array containing column-value pairs.
|
|
* @param array $identifier The update criteria. An associative array containing column-value pairs.
|
|
* @param array $types Types of the merged $data and $identifier arrays in that order.
|
|
*
|
|
* @return int The number of affected rows.
|
|
*
|
|
* @throws \Doctrine\DBAL\DBALException
|
|
*/
|
|
public function update($tableExpression, array $data, array $identifier, array $types = [])
|
|
{
|
|
$setColumns = [];
|
|
$setValues = [];
|
|
$set = [];
|
|
|
|
foreach ($data as $columnName => $value) {
|
|
$setColumns[] = $columnName;
|
|
$setValues[] = $value;
|
|
$set[] = $columnName . ' = ?';
|
|
}
|
|
|
|
list($conditionColumns, $conditionValues, $conditions) = $this->gatherConditions($identifier);
|
|
$columns = array_merge($setColumns, $conditionColumns);
|
|
$values = array_merge($setValues, $conditionValues);
|
|
|
|
if (is_string(key($types))) {
|
|
$types = $this->extractTypeValues($columns, $types);
|
|
}
|
|
|
|
$sql = 'UPDATE ' . $tableExpression . ' SET ' . implode(', ', $set)
|
|
. ' WHERE ' . implode(' AND ', $conditions);
|
|
|
|
return $this->executeUpdate($sql, $values, $types);
|
|
}
|
|
|
|
/**
|
|
* Inserts a table row with specified data.
|
|
*
|
|
* Table expression and columns are not escaped and are not safe for user-input.
|
|
*
|
|
* @param string $tableExpression The expression of the table to insert data into, quoted or unquoted.
|
|
* @param array $data An associative array containing column-value pairs.
|
|
* @param array $types Types of the inserted data.
|
|
*
|
|
* @return int The number of affected rows.
|
|
*
|
|
* @throws \Doctrine\DBAL\DBALException
|
|
*/
|
|
public function insert($tableExpression, array $data, array $types = [])
|
|
{
|
|
if (empty($data)) {
|
|
return $this->executeUpdate('INSERT INTO ' . $tableExpression . ' ()' . ' VALUES ()');
|
|
}
|
|
|
|
$columns = [];
|
|
$values = [];
|
|
$set = [];
|
|
|
|
foreach ($data as $columnName => $value) {
|
|
$columns[] = $columnName;
|
|
$values[] = $value;
|
|
$set[] = '?';
|
|
}
|
|
|
|
return $this->executeUpdate(
|
|
'INSERT INTO ' . $tableExpression . ' (' . implode(', ', $columns) . ')' .
|
|
' VALUES (' . implode(', ', $set) . ')',
|
|
$values,
|
|
is_string(key($types)) ? $this->extractTypeValues($columns, $types) : $types
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Extract ordered type list from an ordered column list and type map.
|
|
*
|
|
* @param array $columnList
|
|
* @param array $types
|
|
*
|
|
* @return array
|
|
*/
|
|
private function extractTypeValues(array $columnList, array $types)
|
|
{
|
|
$typeValues = [];
|
|
|
|
foreach ($columnList as $columnIndex => $columnName) {
|
|
$typeValues[] = $types[$columnName] ?? ParameterType::STRING;
|
|
}
|
|
|
|
return $typeValues;
|
|
}
|
|
|
|
/**
|
|
* Quotes a string so it can be safely used as a table or column name, even if
|
|
* it is a reserved name.
|
|
*
|
|
* Delimiting style depends on the underlying database platform that is being used.
|
|
*
|
|
* NOTE: Just because you CAN use quoted identifiers does not mean
|
|
* you SHOULD use them. In general, they end up causing way more
|
|
* problems than they solve.
|
|
*
|
|
* @param string $str The name to be quoted.
|
|
*
|
|
* @return string The quoted name.
|
|
*/
|
|
public function quoteIdentifier($str)
|
|
{
|
|
return $this->getDatabasePlatform()->quoteIdentifier($str);
|
|
}
|
|
|
|
/**
|
|
* Quotes a given input parameter.
|
|
*
|
|
* @param mixed $input The parameter to be quoted.
|
|
* @param int|null $type The type of the parameter.
|
|
*
|
|
* @return string The quoted parameter.
|
|
*/
|
|
public function quote($input, $type = null)
|
|
{
|
|
$this->connect();
|
|
|
|
list($value, $bindingType) = $this->getBindingInfo($input, $type);
|
|
|
|
return $this->_conn->quote($value, $bindingType);
|
|
}
|
|
|
|
/**
|
|
* Prepares and executes an SQL query and returns the result as an associative array.
|
|
*
|
|
* @param string $sql The SQL query.
|
|
* @param array $params The query parameters.
|
|
* @param array $types The query parameter types.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function fetchAll($sql, array $params = [], $types = [])
|
|
{
|
|
return $this->executeQuery($sql, $params, $types)->fetchAll();
|
|
}
|
|
|
|
/**
|
|
* Prepares an SQL statement.
|
|
*
|
|
* @param string $statement The SQL statement to prepare.
|
|
*
|
|
* @return DriverStatement The prepared statement.
|
|
*
|
|
* @throws \Doctrine\DBAL\DBALException
|
|
*/
|
|
public function prepare($statement)
|
|
{
|
|
try {
|
|
$stmt = new Statement($statement, $this);
|
|
} catch (Exception $ex) {
|
|
throw DBALException::driverExceptionDuringQuery($this->_driver, $ex, $statement);
|
|
}
|
|
|
|
$stmt->setFetchMode($this->defaultFetchMode);
|
|
|
|
return $stmt;
|
|
}
|
|
|
|
/**
|
|
* Executes an, optionally parametrized, SQL query.
|
|
*
|
|
* If the query is parametrized, a prepared statement is used.
|
|
* If an SQLLogger is configured, the execution is logged.
|
|
*
|
|
* @param string $query The SQL query to execute.
|
|
* @param array $params The parameters to bind to the query, if any.
|
|
* @param array $types The types the previous parameters are in.
|
|
* @param \Doctrine\DBAL\Cache\QueryCacheProfile|null $qcp The query cache profile, optional.
|
|
*
|
|
* @return ResultStatement The executed statement.
|
|
*
|
|
* @throws \Doctrine\DBAL\DBALException
|
|
*/
|
|
public function executeQuery($query, array $params = [], $types = [], QueryCacheProfile $qcp = null)
|
|
{
|
|
if ($qcp !== null) {
|
|
return $this->executeCacheQuery($query, $params, $types, $qcp);
|
|
}
|
|
|
|
$this->connect();
|
|
|
|
$logger = $this->_config->getSQLLogger();
|
|
if ($logger) {
|
|
$logger->startQuery($query, $params, $types);
|
|
}
|
|
|
|
try {
|
|
if ($params) {
|
|
list($query, $params, $types) = SQLParserUtils::expandListParameters($query, $params, $types);
|
|
|
|
$stmt = $this->_conn->prepare($query);
|
|
if ($types) {
|
|
$this->_bindTypedValues($stmt, $params, $types);
|
|
$stmt->execute();
|
|
} else {
|
|
$stmt->execute($params);
|
|
}
|
|
} else {
|
|
$stmt = $this->_conn->query($query);
|
|
}
|
|
} catch (Exception $ex) {
|
|
throw DBALException::driverExceptionDuringQuery($this->_driver, $ex, $query, $this->resolveParams($params, $types));
|
|
}
|
|
|
|
$stmt->setFetchMode($this->defaultFetchMode);
|
|
|
|
if ($logger) {
|
|
$logger->stopQuery();
|
|
}
|
|
|
|
return $stmt;
|
|
}
|
|
|
|
/**
|
|
* Executes a caching query.
|
|
*
|
|
* @param string $query The SQL query to execute.
|
|
* @param array $params The parameters to bind to the query, if any.
|
|
* @param array $types The types the previous parameters are in.
|
|
* @param \Doctrine\DBAL\Cache\QueryCacheProfile $qcp The query cache profile.
|
|
*
|
|
* @return ResultStatement
|
|
*
|
|
* @throws \Doctrine\DBAL\Cache\CacheException
|
|
*/
|
|
public function executeCacheQuery($query, $params, $types, QueryCacheProfile $qcp)
|
|
{
|
|
$resultCache = $qcp->getResultCacheDriver() ?: $this->_config->getResultCacheImpl();
|
|
if ( ! $resultCache) {
|
|
throw CacheException::noResultDriverConfigured();
|
|
}
|
|
|
|
list($cacheKey, $realKey) = $qcp->generateCacheKeys($query, $params, $types, $this->getParams());
|
|
|
|
// fetch the row pointers entry
|
|
if ($data = $resultCache->fetch($cacheKey)) {
|
|
// is the real key part of this row pointers map or is the cache only pointing to other cache keys?
|
|
if (isset($data[$realKey])) {
|
|
$stmt = new ArrayStatement($data[$realKey]);
|
|
} elseif (array_key_exists($realKey, $data)) {
|
|
$stmt = new ArrayStatement([]);
|
|
}
|
|
}
|
|
|
|
if (!isset($stmt)) {
|
|
$stmt = new ResultCacheStatement($this->executeQuery($query, $params, $types), $resultCache, $cacheKey, $realKey, $qcp->getLifetime());
|
|
}
|
|
|
|
$stmt->setFetchMode($this->defaultFetchMode);
|
|
|
|
return $stmt;
|
|
}
|
|
|
|
/**
|
|
* Executes an, optionally parametrized, SQL query and returns the result,
|
|
* applying a given projection/transformation function on each row of the result.
|
|
*
|
|
* @param string $query The SQL query to execute.
|
|
* @param array $params The parameters, if any.
|
|
* @param \Closure $function The transformation function that is applied on each row.
|
|
* The function receives a single parameter, an array, that
|
|
* represents a row of the result set.
|
|
*
|
|
* @return array The projected result of the query.
|
|
*/
|
|
public function project($query, array $params, Closure $function)
|
|
{
|
|
$result = [];
|
|
$stmt = $this->executeQuery($query, $params);
|
|
|
|
while ($row = $stmt->fetch()) {
|
|
$result[] = $function($row);
|
|
}
|
|
|
|
$stmt->closeCursor();
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Executes an SQL statement, returning a result set as a Statement object.
|
|
*
|
|
* @return \Doctrine\DBAL\Driver\Statement
|
|
*
|
|
* @throws \Doctrine\DBAL\DBALException
|
|
*/
|
|
public function query()
|
|
{
|
|
$this->connect();
|
|
|
|
$args = func_get_args();
|
|
|
|
$logger = $this->_config->getSQLLogger();
|
|
if ($logger) {
|
|
$logger->startQuery($args[0]);
|
|
}
|
|
|
|
try {
|
|
$statement = $this->_conn->query(...$args);
|
|
} catch (Exception $ex) {
|
|
throw DBALException::driverExceptionDuringQuery($this->_driver, $ex, $args[0]);
|
|
}
|
|
|
|
$statement->setFetchMode($this->defaultFetchMode);
|
|
|
|
if ($logger) {
|
|
$logger->stopQuery();
|
|
}
|
|
|
|
return $statement;
|
|
}
|
|
|
|
/**
|
|
* Executes an SQL INSERT/UPDATE/DELETE query with the given parameters
|
|
* and returns the number of affected rows.
|
|
*
|
|
* This method supports PDO binding types as well as DBAL mapping types.
|
|
*
|
|
* @param string $query The SQL query.
|
|
* @param array $params The query parameters.
|
|
* @param array $types The parameter types.
|
|
*
|
|
* @return int The number of affected rows.
|
|
*
|
|
* @throws \Doctrine\DBAL\DBALException
|
|
*/
|
|
public function executeUpdate($query, array $params = [], array $types = [])
|
|
{
|
|
$this->connect();
|
|
|
|
$logger = $this->_config->getSQLLogger();
|
|
if ($logger) {
|
|
$logger->startQuery($query, $params, $types);
|
|
}
|
|
|
|
try {
|
|
if ($params) {
|
|
list($query, $params, $types) = SQLParserUtils::expandListParameters($query, $params, $types);
|
|
|
|
$stmt = $this->_conn->prepare($query);
|
|
if ($types) {
|
|
$this->_bindTypedValues($stmt, $params, $types);
|
|
$stmt->execute();
|
|
} else {
|
|
$stmt->execute($params);
|
|
}
|
|
$result = $stmt->rowCount();
|
|
} else {
|
|
$result = $this->_conn->exec($query);
|
|
}
|
|
} catch (Exception $ex) {
|
|
throw DBALException::driverExceptionDuringQuery($this->_driver, $ex, $query, $this->resolveParams($params, $types));
|
|
}
|
|
|
|
if ($logger) {
|
|
$logger->stopQuery();
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Executes an SQL statement and return the number of affected rows.
|
|
*
|
|
* @param string $statement
|
|
*
|
|
* @return int The number of affected rows.
|
|
*
|
|
* @throws \Doctrine\DBAL\DBALException
|
|
*/
|
|
public function exec($statement)
|
|
{
|
|
$this->connect();
|
|
|
|
$logger = $this->_config->getSQLLogger();
|
|
if ($logger) {
|
|
$logger->startQuery($statement);
|
|
}
|
|
|
|
try {
|
|
$result = $this->_conn->exec($statement);
|
|
} catch (Exception $ex) {
|
|
throw DBALException::driverExceptionDuringQuery($this->_driver, $ex, $statement);
|
|
}
|
|
|
|
if ($logger) {
|
|
$logger->stopQuery();
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Returns the current transaction nesting level.
|
|
*
|
|
* @return int The nesting level. A value of 0 means there's no active transaction.
|
|
*/
|
|
public function getTransactionNestingLevel()
|
|
{
|
|
return $this->_transactionNestingLevel;
|
|
}
|
|
|
|
/**
|
|
* Fetches the SQLSTATE associated with the last database operation.
|
|
*
|
|
* @return string|null The last error code.
|
|
*/
|
|
public function errorCode()
|
|
{
|
|
$this->connect();
|
|
|
|
return $this->_conn->errorCode();
|
|
}
|
|
|
|
/**
|
|
* Fetches extended error information associated with the last database operation.
|
|
*
|
|
* @return array The last error information.
|
|
*/
|
|
public function errorInfo()
|
|
{
|
|
$this->connect();
|
|
|
|
return $this->_conn->errorInfo();
|
|
}
|
|
|
|
/**
|
|
* Returns the ID of the last inserted row, or the last value from a sequence object,
|
|
* depending on the underlying driver.
|
|
*
|
|
* Note: This method may not return a meaningful or consistent result across different drivers,
|
|
* because the underlying database may not even support the notion of AUTO_INCREMENT/IDENTITY
|
|
* columns or sequences.
|
|
*
|
|
* @param string|null $seqName Name of the sequence object from which the ID should be returned.
|
|
*
|
|
* @return string A string representation of the last inserted ID.
|
|
*/
|
|
public function lastInsertId($seqName = null)
|
|
{
|
|
$this->connect();
|
|
|
|
return $this->_conn->lastInsertId($seqName);
|
|
}
|
|
|
|
/**
|
|
* Executes a function in a transaction.
|
|
*
|
|
* The function gets passed this Connection instance as an (optional) parameter.
|
|
*
|
|
* If an exception occurs during execution of the function or transaction commit,
|
|
* the transaction is rolled back and the exception re-thrown.
|
|
*
|
|
* @param \Closure $func The function to execute transactionally.
|
|
*
|
|
* @return mixed The value returned by $func
|
|
*
|
|
* @throws Exception
|
|
* @throws Throwable
|
|
*/
|
|
public function transactional(Closure $func)
|
|
{
|
|
$this->beginTransaction();
|
|
try {
|
|
$res = $func($this);
|
|
$this->commit();
|
|
return $res;
|
|
} catch (Exception $e) {
|
|
$this->rollBack();
|
|
throw $e;
|
|
} catch (Throwable $e) {
|
|
$this->rollBack();
|
|
throw $e;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets if nested transactions should use savepoints.
|
|
*
|
|
* @param bool $nestTransactionsWithSavepoints
|
|
*
|
|
* @return void
|
|
*
|
|
* @throws \Doctrine\DBAL\ConnectionException
|
|
*/
|
|
public function setNestTransactionsWithSavepoints($nestTransactionsWithSavepoints)
|
|
{
|
|
if ($this->_transactionNestingLevel > 0) {
|
|
throw ConnectionException::mayNotAlterNestedTransactionWithSavepointsInTransaction();
|
|
}
|
|
|
|
if ( ! $this->getDatabasePlatform()->supportsSavepoints()) {
|
|
throw ConnectionException::savepointsNotSupported();
|
|
}
|
|
|
|
$this->_nestTransactionsWithSavepoints = (bool) $nestTransactionsWithSavepoints;
|
|
}
|
|
|
|
/**
|
|
* Gets if nested transactions should use savepoints.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function getNestTransactionsWithSavepoints()
|
|
{
|
|
return $this->_nestTransactionsWithSavepoints;
|
|
}
|
|
|
|
/**
|
|
* Returns the savepoint name to use for nested transactions are false if they are not supported
|
|
* "savepointFormat" parameter is not set
|
|
*
|
|
* @return mixed A string with the savepoint name or false.
|
|
*/
|
|
protected function _getNestedTransactionSavePointName()
|
|
{
|
|
return 'DOCTRINE2_SAVEPOINT_'.$this->_transactionNestingLevel;
|
|
}
|
|
|
|
/**
|
|
* Starts a transaction by suspending auto-commit mode.
|
|
*
|
|
* @return void
|
|
*/
|
|
public function beginTransaction()
|
|
{
|
|
$this->connect();
|
|
|
|
++$this->_transactionNestingLevel;
|
|
|
|
$logger = $this->_config->getSQLLogger();
|
|
|
|
if ($this->_transactionNestingLevel == 1) {
|
|
if ($logger) {
|
|
$logger->startQuery('"START TRANSACTION"');
|
|
}
|
|
$this->_conn->beginTransaction();
|
|
if ($logger) {
|
|
$logger->stopQuery();
|
|
}
|
|
} elseif ($this->_nestTransactionsWithSavepoints) {
|
|
if ($logger) {
|
|
$logger->startQuery('"SAVEPOINT"');
|
|
}
|
|
$this->createSavepoint($this->_getNestedTransactionSavePointName());
|
|
if ($logger) {
|
|
$logger->stopQuery();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Commits the current transaction.
|
|
*
|
|
* @return void
|
|
*
|
|
* @throws \Doctrine\DBAL\ConnectionException If the commit failed due to no active transaction or
|
|
* because the transaction was marked for rollback only.
|
|
*/
|
|
public function commit()
|
|
{
|
|
if ($this->_transactionNestingLevel == 0) {
|
|
throw ConnectionException::noActiveTransaction();
|
|
}
|
|
if ($this->_isRollbackOnly) {
|
|
throw ConnectionException::commitFailedRollbackOnly();
|
|
}
|
|
|
|
$this->connect();
|
|
|
|
$logger = $this->_config->getSQLLogger();
|
|
|
|
if ($this->_transactionNestingLevel == 1) {
|
|
if ($logger) {
|
|
$logger->startQuery('"COMMIT"');
|
|
}
|
|
$this->_conn->commit();
|
|
if ($logger) {
|
|
$logger->stopQuery();
|
|
}
|
|
} elseif ($this->_nestTransactionsWithSavepoints) {
|
|
if ($logger) {
|
|
$logger->startQuery('"RELEASE SAVEPOINT"');
|
|
}
|
|
$this->releaseSavepoint($this->_getNestedTransactionSavePointName());
|
|
if ($logger) {
|
|
$logger->stopQuery();
|
|
}
|
|
}
|
|
|
|
--$this->_transactionNestingLevel;
|
|
|
|
if (false === $this->autoCommit && 0 === $this->_transactionNestingLevel) {
|
|
$this->beginTransaction();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Commits all current nesting transactions.
|
|
*/
|
|
private function commitAll()
|
|
{
|
|
while (0 !== $this->_transactionNestingLevel) {
|
|
if (false === $this->autoCommit && 1 === $this->_transactionNestingLevel) {
|
|
// When in no auto-commit mode, the last nesting commit immediately starts a new transaction.
|
|
// Therefore we need to do the final commit here and then leave to avoid an infinite loop.
|
|
$this->commit();
|
|
|
|
return;
|
|
}
|
|
|
|
$this->commit();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Cancels any database changes done during the current transaction.
|
|
*
|
|
* @throws \Doctrine\DBAL\ConnectionException If the rollback operation failed.
|
|
*/
|
|
public function rollBack()
|
|
{
|
|
if ($this->_transactionNestingLevel == 0) {
|
|
throw ConnectionException::noActiveTransaction();
|
|
}
|
|
|
|
$this->connect();
|
|
|
|
$logger = $this->_config->getSQLLogger();
|
|
|
|
if ($this->_transactionNestingLevel == 1) {
|
|
if ($logger) {
|
|
$logger->startQuery('"ROLLBACK"');
|
|
}
|
|
$this->_transactionNestingLevel = 0;
|
|
$this->_conn->rollBack();
|
|
$this->_isRollbackOnly = false;
|
|
if ($logger) {
|
|
$logger->stopQuery();
|
|
}
|
|
|
|
if (false === $this->autoCommit) {
|
|
$this->beginTransaction();
|
|
}
|
|
} elseif ($this->_nestTransactionsWithSavepoints) {
|
|
if ($logger) {
|
|
$logger->startQuery('"ROLLBACK TO SAVEPOINT"');
|
|
}
|
|
$this->rollbackSavepoint($this->_getNestedTransactionSavePointName());
|
|
--$this->_transactionNestingLevel;
|
|
if ($logger) {
|
|
$logger->stopQuery();
|
|
}
|
|
} else {
|
|
$this->_isRollbackOnly = true;
|
|
--$this->_transactionNestingLevel;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates a new savepoint.
|
|
*
|
|
* @param string $savepoint The name of the savepoint to create.
|
|
*
|
|
* @return void
|
|
*
|
|
* @throws \Doctrine\DBAL\ConnectionException
|
|
*/
|
|
public function createSavepoint($savepoint)
|
|
{
|
|
if ( ! $this->getDatabasePlatform()->supportsSavepoints()) {
|
|
throw ConnectionException::savepointsNotSupported();
|
|
}
|
|
|
|
$this->_conn->exec($this->platform->createSavePoint($savepoint));
|
|
}
|
|
|
|
/**
|
|
* Releases the given savepoint.
|
|
*
|
|
* @param string $savepoint The name of the savepoint to release.
|
|
*
|
|
* @return void
|
|
*
|
|
* @throws \Doctrine\DBAL\ConnectionException
|
|
*/
|
|
public function releaseSavepoint($savepoint)
|
|
{
|
|
if ( ! $this->getDatabasePlatform()->supportsSavepoints()) {
|
|
throw ConnectionException::savepointsNotSupported();
|
|
}
|
|
|
|
if ($this->platform->supportsReleaseSavepoints()) {
|
|
$this->_conn->exec($this->platform->releaseSavePoint($savepoint));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Rolls back to the given savepoint.
|
|
*
|
|
* @param string $savepoint The name of the savepoint to rollback to.
|
|
*
|
|
* @return void
|
|
*
|
|
* @throws \Doctrine\DBAL\ConnectionException
|
|
*/
|
|
public function rollbackSavepoint($savepoint)
|
|
{
|
|
if ( ! $this->getDatabasePlatform()->supportsSavepoints()) {
|
|
throw ConnectionException::savepointsNotSupported();
|
|
}
|
|
|
|
$this->_conn->exec($this->platform->rollbackSavePoint($savepoint));
|
|
}
|
|
|
|
/**
|
|
* Gets the wrapped driver connection.
|
|
*
|
|
* @return \Doctrine\DBAL\Driver\Connection
|
|
*/
|
|
public function getWrappedConnection()
|
|
{
|
|
$this->connect();
|
|
|
|
return $this->_conn;
|
|
}
|
|
|
|
/**
|
|
* Gets the SchemaManager that can be used to inspect or change the
|
|
* database schema through the connection.
|
|
*
|
|
* @return \Doctrine\DBAL\Schema\AbstractSchemaManager
|
|
*/
|
|
public function getSchemaManager()
|
|
{
|
|
if ( ! $this->_schemaManager) {
|
|
$this->_schemaManager = $this->_driver->getSchemaManager($this);
|
|
}
|
|
|
|
return $this->_schemaManager;
|
|
}
|
|
|
|
/**
|
|
* Marks the current transaction so that the only possible
|
|
* outcome for the transaction to be rolled back.
|
|
*
|
|
* @return void
|
|
*
|
|
* @throws \Doctrine\DBAL\ConnectionException If no transaction is active.
|
|
*/
|
|
public function setRollbackOnly()
|
|
{
|
|
if ($this->_transactionNestingLevel == 0) {
|
|
throw ConnectionException::noActiveTransaction();
|
|
}
|
|
$this->_isRollbackOnly = true;
|
|
}
|
|
|
|
/**
|
|
* Checks whether the current transaction is marked for rollback only.
|
|
*
|
|
* @return bool
|
|
*
|
|
* @throws \Doctrine\DBAL\ConnectionException If no transaction is active.
|
|
*/
|
|
public function isRollbackOnly()
|
|
{
|
|
if ($this->_transactionNestingLevel == 0) {
|
|
throw ConnectionException::noActiveTransaction();
|
|
}
|
|
|
|
return $this->_isRollbackOnly;
|
|
}
|
|
|
|
/**
|
|
* Converts a given value to its database representation according to the conversion
|
|
* rules of a specific DBAL mapping type.
|
|
*
|
|
* @param mixed $value The value to convert.
|
|
* @param string $type The name of the DBAL mapping type.
|
|
*
|
|
* @return mixed The converted value.
|
|
*/
|
|
public function convertToDatabaseValue($value, $type)
|
|
{
|
|
return Type::getType($type)->convertToDatabaseValue($value, $this->getDatabasePlatform());
|
|
}
|
|
|
|
/**
|
|
* Converts a given value to its PHP representation according to the conversion
|
|
* rules of a specific DBAL mapping type.
|
|
*
|
|
* @param mixed $value The value to convert.
|
|
* @param string $type The name of the DBAL mapping type.
|
|
*
|
|
* @return mixed The converted type.
|
|
*/
|
|
public function convertToPHPValue($value, $type)
|
|
{
|
|
return Type::getType($type)->convertToPHPValue($value, $this->getDatabasePlatform());
|
|
}
|
|
|
|
/**
|
|
* Binds a set of parameters, some or all of which are typed with a PDO binding type
|
|
* or DBAL mapping type, to a given statement.
|
|
*
|
|
* @param \Doctrine\DBAL\Driver\Statement $stmt The statement to bind the values to.
|
|
* @param array $params The map/list of named/positional parameters.
|
|
* @param array $types The parameter types (PDO binding types or DBAL mapping types).
|
|
*
|
|
* @return void
|
|
*
|
|
* @internal Duck-typing used on the $stmt parameter to support driver statements as well as
|
|
* raw PDOStatement instances.
|
|
*/
|
|
private function _bindTypedValues($stmt, array $params, array $types)
|
|
{
|
|
// Check whether parameters are positional or named. Mixing is not allowed, just like in PDO.
|
|
if (is_int(key($params))) {
|
|
// Positional parameters
|
|
$typeOffset = array_key_exists(0, $types) ? -1 : 0;
|
|
$bindIndex = 1;
|
|
foreach ($params as $value) {
|
|
$typeIndex = $bindIndex + $typeOffset;
|
|
if (isset($types[$typeIndex])) {
|
|
$type = $types[$typeIndex];
|
|
list($value, $bindingType) = $this->getBindingInfo($value, $type);
|
|
$stmt->bindValue($bindIndex, $value, $bindingType);
|
|
} else {
|
|
$stmt->bindValue($bindIndex, $value);
|
|
}
|
|
++$bindIndex;
|
|
}
|
|
} else {
|
|
// Named parameters
|
|
foreach ($params as $name => $value) {
|
|
if (isset($types[$name])) {
|
|
$type = $types[$name];
|
|
list($value, $bindingType) = $this->getBindingInfo($value, $type);
|
|
$stmt->bindValue($name, $value, $bindingType);
|
|
} else {
|
|
$stmt->bindValue($name, $value);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the binding type of a given type. The given type can be a PDO or DBAL mapping type.
|
|
*
|
|
* @param mixed $value The value to bind.
|
|
* @param mixed $type The type to bind (PDO or DBAL).
|
|
*
|
|
* @return array [0] => the (escaped) value, [1] => the binding type.
|
|
*/
|
|
private function getBindingInfo($value, $type)
|
|
{
|
|
if (is_string($type)) {
|
|
$type = Type::getType($type);
|
|
}
|
|
if ($type instanceof Type) {
|
|
$value = $type->convertToDatabaseValue($value, $this->getDatabasePlatform());
|
|
$bindingType = $type->getBindingType();
|
|
} else {
|
|
$bindingType = $type;
|
|
}
|
|
|
|
return [$value, $bindingType];
|
|
}
|
|
|
|
/**
|
|
* Resolves the parameters to a format which can be displayed.
|
|
*
|
|
* @internal This is a purely internal method. If you rely on this method, you are advised to
|
|
* copy/paste the code as this method may change, or be removed without prior notice.
|
|
*
|
|
* @param array $params
|
|
* @param array $types
|
|
*
|
|
* @return array
|
|
*/
|
|
public function resolveParams(array $params, array $types)
|
|
{
|
|
$resolvedParams = [];
|
|
|
|
// Check whether parameters are positional or named. Mixing is not allowed, just like in PDO.
|
|
if (is_int(key($params))) {
|
|
// Positional parameters
|
|
$typeOffset = array_key_exists(0, $types) ? -1 : 0;
|
|
$bindIndex = 1;
|
|
foreach ($params as $value) {
|
|
$typeIndex = $bindIndex + $typeOffset;
|
|
if (isset($types[$typeIndex])) {
|
|
$type = $types[$typeIndex];
|
|
list($value,) = $this->getBindingInfo($value, $type);
|
|
$resolvedParams[$bindIndex] = $value;
|
|
} else {
|
|
$resolvedParams[$bindIndex] = $value;
|
|
}
|
|
++$bindIndex;
|
|
}
|
|
} else {
|
|
// Named parameters
|
|
foreach ($params as $name => $value) {
|
|
if (isset($types[$name])) {
|
|
$type = $types[$name];
|
|
list($value,) = $this->getBindingInfo($value, $type);
|
|
$resolvedParams[$name] = $value;
|
|
} else {
|
|
$resolvedParams[$name] = $value;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $resolvedParams;
|
|
}
|
|
|
|
/**
|
|
* Creates a new instance of a SQL query builder.
|
|
*
|
|
* @return \Doctrine\DBAL\Query\QueryBuilder
|
|
*/
|
|
public function createQueryBuilder()
|
|
{
|
|
return new Query\QueryBuilder($this);
|
|
}
|
|
|
|
/**
|
|
* Ping the server
|
|
*
|
|
* When the server is not available the method returns FALSE.
|
|
* It is responsibility of the developer to handle this case
|
|
* and abort the request or reconnect manually:
|
|
*
|
|
* @example
|
|
*
|
|
* if ($conn->ping() === false) {
|
|
* $conn->close();
|
|
* $conn->connect();
|
|
* }
|
|
*
|
|
* It is undefined if the underlying driver attempts to reconnect
|
|
* or disconnect when the connection is not available anymore
|
|
* as long it returns TRUE when a reconnect succeeded and
|
|
* FALSE when the connection was dropped.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function ping()
|
|
{
|
|
$this->connect();
|
|
|
|
if ($this->_conn instanceof PingableConnection) {
|
|
return $this->_conn->ping();
|
|
}
|
|
|
|
try {
|
|
$this->query($this->getDatabasePlatform()->getDummySelectSQL());
|
|
|
|
return true;
|
|
} catch (DBALException $e) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|