--- /dev/null
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\DBAL;
+
+use PDO, Closure, Exception,
+ Doctrine\DBAL\Types\Type,
+ Doctrine\DBAL\Driver\Connection as DriverConnection,
+ Doctrine\Common\EventManager,
+ Doctrine\DBAL\DBALException,
+ Doctrine\DBAL\Cache\ResultCacheStatement,
+ Doctrine\DBAL\Cache\QueryCacheProfile,
+ Doctrine\DBAL\Cache\ArrayStatement,
+ Doctrine\DBAL\Cache\CacheException;
+
+/**
+ * A wrapper around a Doctrine\DBAL\Driver\Connection that adds features like
+ * events, transaction isolation levels, configuration, emulated transaction nesting,
+ * lazy connecting and more.
+ *
+ *
+ * @link www.doctrine-project.org
+ * @since 2.0
+ * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
+ * @author Jonathan Wage <jonwage@gmail.com>
+ * @author Roman Borschel <roman@code-factory.org>
+ * @author Konsta Vesterinen <kvesteri@cc.hut.fi>
+ * @author Lukas Smith <smith@pooteeweet.org> (MDB2 library)
+ * @author Benjamin Eberlei <kontakt@beberlei.de>
+ */
+class Connection implements DriverConnection
+{
+ /**
+ * Constant for transaction isolation level READ UNCOMMITTED.
+ */
+ const TRANSACTION_READ_UNCOMMITTED = 1;
+
+ /**
+ * Constant for transaction isolation level READ COMMITTED.
+ */
+ const TRANSACTION_READ_COMMITTED = 2;
+
+ /**
+ * Constant for transaction isolation level REPEATABLE READ.
+ */
+ const TRANSACTION_REPEATABLE_READ = 3;
+
+ /**
+ * Constant for transaction isolation level SERIALIZABLE.
+ */
+ const TRANSACTION_SERIALIZABLE = 4;
+
+ /**
+ * Represents an array of ints to be expanded by Doctrine SQL parsing.
+ *
+ * @var int
+ */
+ const PARAM_INT_ARRAY = 101;
+
+ /**
+ * Represents an array of strings to be expanded by Doctrine SQL parsing.
+ *
+ * @var int
+ */
+ const PARAM_STR_ARRAY = 102;
+
+ /**
+ * Offset by which PARAM_* constants are detected as arrays of the param type.
+ *
+ * @var int
+ */
+ const ARRAY_PARAM_OFFSET = 100;
+
+ /**
+ * The wrapped driver connection.
+ *
+ * @var \Doctrine\DBAL\Driver\Connection
+ */
+ protected $_conn;
+
+ /**
+ * @var \Doctrine\DBAL\Configuration
+ */
+ protected $_config;
+
+ /**
+ * @var \Doctrine\Common\EventManager
+ */
+ protected $_eventManager;
+
+ /**
+ * @var \Doctrine\DBAL\Query\Expression\ExpressionBuilder
+ */
+ protected $_expr;
+
+ /**
+ * Whether or not a connection has been established.
+ *
+ * @var boolean
+ */
+ private $_isConnected = false;
+
+ /**
+ * The transaction nesting level.
+ *
+ * @var integer
+ */
+ private $_transactionNestingLevel = 0;
+
+ /**
+ * The currently active transaction isolation level.
+ *
+ * @var integer
+ */
+ private $_transactionIsolationLevel;
+
+ /**
+ * If nested transations should use savepoints
+ *
+ * @var integer
+ */
+ private $_nestTransactionsWithSavepoints;
+
+ /**
+ * The parameters used during creation of the Connection instance.
+ *
+ * @var array
+ */
+ private $_params = array();
+
+ /**
+ * The DatabasePlatform object that provides information about the
+ * database platform used by the connection.
+ *
+ * @var \Doctrine\DBAL\Platforms\AbstractPlatform
+ */
+ protected $_platform;
+
+ /**
+ * The schema manager.
+ *
+ * @var \Doctrine\DBAL\Schema\AbstractSchemaManager
+ */
+ protected $_schemaManager;
+
+ /**
+ * The used DBAL driver.
+ *
+ * @var \Doctrine\DBAL\Driver
+ */
+ protected $_driver;
+
+ /**
+ * Flag that indicates whether the current transaction is marked for rollback only.
+ *
+ * @var boolean
+ */
+ private $_isRollbackOnly = false;
+
+ private $_defaultFetchMode = PDO::FETCH_ASSOC;
+
+ /**
+ * Initializes a new instance of the Connection class.
+ *
+ * @param array $params The connection parameters.
+ * @param Driver $driver
+ * @param Configuration $config
+ * @param EventManager $eventManager
+ */
+ public function __construct(array $params, Driver $driver, Configuration $config = null,
+ EventManager $eventManager = null)
+ {
+ $this->_driver = $driver;
+ $this->_params = $params;
+
+ if (isset($params['pdo'])) {
+ $this->_conn = $params['pdo'];
+ $this->_isConnected = true;
+ }
+
+ // Create default config and event manager if none given
+ if ( ! $config) {
+ $config = new Configuration();
+ }
+
+ if ( ! $eventManager) {
+ $eventManager = new EventManager();
+ }
+
+ $this->_config = $config;
+ $this->_eventManager = $eventManager;
+
+ $this->_expr = new Query\Expression\ExpressionBuilder($this);
+
+ if ( ! isset($params['platform'])) {
+ $this->_platform = $driver->getDatabasePlatform();
+ } else if ($params['platform'] instanceof Platforms\AbstractPlatform) {
+ $this->_platform = $params['platform'];
+ } else {
+ throw DBALException::invalidPlatformSpecified();
+ }
+
+ $this->_platform->setEventManager($eventManager);
+
+ $this->_transactionIsolationLevel = $this->_platform->getDefaultTransactionIsolationLevel();
+ }
+
+ /**
+ * Gets the parameters used during instantiation.
+ *
+ * @return array $params
+ */
+ public function getParams()
+ {
+ return $this->_params;
+ }
+
+ /**
+ * Gets the name of the database this Connection is connected to.
+ *
+ * @return string $database
+ */
+ public function getDatabase()
+ {
+ return $this->_driver->getDatabase($this);
+ }
+
+ /**
+ * Gets the hostname of the currently connected database.
+ *
+ * @return string
+ */
+ public function getHost()
+ {
+ return isset($this->_params['host']) ? $this->_params['host'] : null;
+ }
+
+ /**
+ * Gets the port of the currently connected database.
+ *
+ * @return mixed
+ */
+ public function getPort()
+ {
+ return isset($this->_params['port']) ? $this->_params['port'] : null;
+ }
+
+ /**
+ * Gets the username used by this connection.
+ *
+ * @return string
+ */
+ public function getUsername()
+ {
+ return isset($this->_params['user']) ? $this->_params['user'] : null;
+ }
+
+ /**
+ * Gets the password used by this connection.
+ *
+ * @return string
+ */
+ public function getPassword()
+ {
+ return isset($this->_params['password']) ? $this->_params['password'] : null;
+ }
+
+ /**
+ * Gets the DBAL driver instance.
+ *
+ * @return \Doctrine\DBAL\Driver
+ */
+ public function getDriver()
+ {
+ return $this->_driver;
+ }
+
+ /**
+ * Gets the Configuration used by the Connection.
+ *
+ * @return \Doctrine\DBAL\Configuration
+ */
+ public function getConfiguration()
+ {
+ return $this->_config;
+ }
+
+ /**
+ * Gets the EventManager used by the Connection.
+ *
+ * @return \Doctrine\Common\EventManager
+ */
+ public function getEventManager()
+ {
+ return $this->_eventManager;
+ }
+
+ /**
+ * Gets the DatabasePlatform for the connection.
+ *
+ * @return \Doctrine\DBAL\Platforms\AbstractPlatform
+ */
+ public function getDatabasePlatform()
+ {
+ return $this->_platform;
+ }
+
+ /**
+ * Gets the ExpressionBuilder for the connection.
+ *
+ * @return \Doctrine\DBAL\Query\Expression\ExpressionBuilder
+ */
+ public function getExpressionBuilder()
+ {
+ return $this->_expr;
+ }
+
+ /**
+ * Establishes the connection with the database.
+ *
+ * @return boolean TRUE if the connection was successfully established, FALSE if
+ * the connection is already open.
+ */
+ public function connect()
+ {
+ if ($this->_isConnected) return false;
+
+ $driverOptions = isset($this->_params['driverOptions']) ?
+ $this->_params['driverOptions'] : array();
+ $user = isset($this->_params['user']) ? $this->_params['user'] : null;
+ $password = isset($this->_params['password']) ?
+ $this->_params['password'] : null;
+
+ $this->_conn = $this->_driver->connect($this->_params, $user, $password, $driverOptions);
+ $this->_isConnected = true;
+
+ if ($this->_eventManager->hasListeners(Events::postConnect)) {
+ $eventArgs = new Event\ConnectionEventArgs($this);
+ $this->_eventManager->dispatchEvent(Events::postConnect, $eventArgs);
+ }
+
+ return true;
+ }
+
+ /**
+ * setFetchMode
+ *
+ * @param integer $fetchMode
+ */
+ public function setFetchMode($fetchMode)
+ {
+ $this->_defaultFetchMode = $fetchMode;
+ }
+
+ /**
+ * Prepares and executes an SQL query and returns the first row of the result
+ * as an associative array.
+ *
+ * @param string $statement The SQL query.
+ * @param array $params The query parameters.
+ * @return array
+ */
+ public function fetchAssoc($statement, array $params = array())
+ {
+ return $this->executeQuery($statement, $params)->fetch(PDO::FETCH_ASSOC);
+ }
+
+ /**
+ * Prepares and executes an SQL query and returns the first row of the result
+ * as a numerically indexed array.
+ *
+ * @param string $statement sql query to be executed
+ * @param array $params prepared statement params
+ * @return array
+ */
+ public function fetchArray($statement, array $params = array())
+ {
+ return $this->executeQuery($statement, $params)->fetch(PDO::FETCH_NUM);
+ }
+
+ /**
+ * Prepares and executes an SQL query and returns the value of a single column
+ * of the first row of the result.
+ *
+ * @param string $statement sql query to be executed
+ * @param array $params prepared statement params
+ * @param int $colnum 0-indexed column number to retrieve
+ * @return mixed
+ */
+ public function fetchColumn($statement, array $params = array(), $colnum = 0)
+ {
+ return $this->executeQuery($statement, $params)->fetchColumn($colnum);
+ }
+
+ /**
+ * Whether an actual connection to the database is established.
+ *
+ * @return boolean
+ */
+ public function isConnected()
+ {
+ return $this->_isConnected;
+ }
+
+ /**
+ * Checks whether a transaction is currently active.
+ *
+ * @return boolean TRUE if a transaction is currently active, FALSE otherwise.
+ */
+ public function isTransactionActive()
+ {
+ return $this->_transactionNestingLevel > 0;
+ }
+
+ /**
+ * Executes an SQL DELETE statement on a table.
+ *
+ * @param string $tableName The name of the table on which to delete.
+ * @param array $identifier The deletion criteria. An associative array containing column-value pairs.
+ * @return integer The number of affected rows.
+ */
+ public function delete($tableName, array $identifier)
+ {
+ $this->connect();
+
+ $criteria = array();
+
+ foreach (array_keys($identifier) as $columnName) {
+ $criteria[] = $columnName . ' = ?';
+ }
+
+ $query = 'DELETE FROM ' . $tableName . ' WHERE ' . implode(' AND ', $criteria);
+
+ return $this->executeUpdate($query, array_values($identifier));
+ }
+
+ /**
+ * Closes the connection.
+ *
+ * @return void
+ */
+ public function close()
+ {
+ unset($this->_conn);
+
+ $this->_isConnected = false;
+ }
+
+ /**
+ * Sets the transaction isolation level.
+ *
+ * @param integer $level The level to set.
+ * @return integer
+ */
+ public function setTransactionIsolation($level)
+ {
+ $this->_transactionIsolationLevel = $level;
+
+ return $this->executeUpdate($this->_platform->getSetTransactionIsolationSQL($level));
+ }
+
+ /**
+ * Gets the currently active transaction isolation level.
+ *
+ * @return integer The current transaction isolation level.
+ */
+ public function getTransactionIsolation()
+ {
+ return $this->_transactionIsolationLevel;
+ }
+
+ /**
+ * Executes an SQL UPDATE statement on a table.
+ *
+ * @param string $tableName The name of the table to update.
+ * @param array $data
+ * @param array $identifier The update criteria. An associative array containing column-value pairs.
+ * @param array $types Types of the merged $data and $identifier arrays in that order.
+ * @return integer The number of affected rows.
+ */
+ public function update($tableName, array $data, array $identifier, array $types = array())
+ {
+ $this->connect();
+ $set = array();
+ foreach ($data as $columnName => $value) {
+ $set[] = $columnName . ' = ?';
+ }
+
+ $params = array_merge(array_values($data), array_values($identifier));
+
+ $sql = 'UPDATE ' . $tableName . ' SET ' . implode(', ', $set)
+ . ' WHERE ' . implode(' = ? AND ', array_keys($identifier))
+ . ' = ?';
+
+ return $this->executeUpdate($sql, $params, $types);
+ }
+
+ /**
+ * Inserts a table row with specified data.
+ *
+ * @param string $tableName The name of the table to insert data into.
+ * @param array $data An associative array containing column-value pairs.
+ * @param array $types Types of the inserted data.
+ * @return integer The number of affected rows.
+ */
+ public function insert($tableName, array $data, array $types = array())
+ {
+ $this->connect();
+
+ // column names are specified as array keys
+ $cols = array();
+ $placeholders = array();
+
+ foreach ($data as $columnName => $value) {
+ $cols[] = $columnName;
+ $placeholders[] = '?';
+ }
+
+ $query = 'INSERT INTO ' . $tableName
+ . ' (' . implode(', ', $cols) . ')'
+ . ' VALUES (' . implode(', ', $placeholders) . ')';
+
+ return $this->executeUpdate($query, array_values($data), $types);
+ }
+
+ /**
+ * Quote 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 $this->_platform->quoteIdentifier($str);
+ }
+
+ /**
+ * Quotes a given input parameter.
+ *
+ * @param mixed $input Parameter to be quoted.
+ * @param string $type Type of the parameter.
+ * @return string The quoted parameter.
+ */
+ public function quote($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 $params The query parameters.
+ * @return array
+ */
+ public function fetchAll($sql, array $params = array())
+ {
+ return $this->executeQuery($sql, $params)->fetchAll();
+ }
+
+ /**
+ * Prepares an SQL statement.
+ *
+ * @param string $statement The SQL statement to prepare.
+ * @return \Doctrine\DBAL\Driver\Statement The prepared statement.
+ */
+ public function prepare($statement)
+ {
+ $this->connect();
+
+ try {
+ $stmt = new Statement($statement, $this);
+ } catch (\Exception $ex) {
+ throw DBALException::driverExceptionDuringQuery($ex, $statement);
+ }
+
+ $stmt->setFetchMode($this->_defaultFetchMode);
+
+ return $stmt;
+ }
+
+ /**
+ * Executes an, optionally parameterized, SQL query.
+ *
+ * If the query is parameterized, 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 QueryCacheProfile $qcp
+ * @return \Doctrine\DBAL\Driver\Statement The executed statement.
+ * @internal PERF: Directly prepares a driver statement, not a wrapper.
+ */
+ public function executeQuery($query, array $params = array(), $types = array(), 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 $ex) {
+ throw DBALException::driverExceptionDuringQuery($ex, $query, $this->resolveParams($params, $types));
+ }
+
+ $stmt->setFetchMode($this->_defaultFetchMode);
+
+ if ($logger) {
+ $logger->stopQuery();
+ }
+
+ return $stmt;
+ }
+
+ /**
+ * Execute a caching query and
+ *
+ * @param string $query
+ * @param array $params
+ * @param array $types
+ * @param QueryCacheProfile $qcp
+ * @return \Doctrine\DBAL\Driver\ResultStatement
+ */
+ public function executeCacheQuery($query, $params, $types, QueryCacheProfile $qcp)
+ {
+ $resultCache = $qcp->getResultCacheDriver() ?: $this->_config->getResultCacheImpl();
+ if ( ! $resultCache) {
+ throw CacheException::noResultDriverConfigured();
+ }
+
+ list($cacheKey, $realKey) = $qcp->generateCacheKeys($query, $params, $types);
+
+ // fetch the row pointers entry
+ if ($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[$realKey]);
+ } else if (array_key_exists($realKey, $data)) {
+ $stmt = new ArrayStatement(array());
+ }
+ }
+
+ if (!isset($stmt)) {
+ $stmt = new ResultCacheStatement($this->executeQuery($query, $params, $types), $resultCache, $cacheKey, $realKey, $qcp->getLifetime());
+ }
+
+ $stmt->setFetchMode($this->_defaultFetchMode);
+
+ return $stmt;
+ }
+
+ /**
+ * Executes an, optionally parameterized, 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 $mapper The transformation function that is applied on each row.
+ * The function receives a single paramater, an array, that
+ * represents a row of the result set.
+ * @return mixed The projected result of the query.
+ */
+ public function project($query, array $params, Closure $function)
+ {
+ $result = array();
+ $stmt = $this->executeQuery($query, $params ?: array());
+
+ while ($row = $stmt->fetch()) {
+ $result[] = $function($row);
+ }
+
+ $stmt->closeCursor();
+
+ return $result;
+ }
+
+ /**
+ * Executes an SQL statement, returning a result set as a Statement object.
+ *
+ * @param string $statement
+ * @param integer $fetchType
+ * @return \Doctrine\DBAL\Driver\Statement
+ */
+ public function query()
+ {
+ $this->connect();
+
+ $args = func_get_args();
+
+ $logger = $this->_config->getSQLLogger();
+ if ($logger) {
+ $logger->startQuery($args[0]);
+ }
+
+ try {
+ $statement = call_user_func_array(array($this->_conn, 'query'), $args);
+ } catch (\Exception $ex) {
+ throw DBALException::driverExceptionDuringQuery($ex, func_get_arg(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 $types The parameter types.
+ * @return integer The number of affected rows.
+ * @internal PERF: Directly prepares a driver statement, not a wrapper.
+ */
+ public function executeUpdate($query, array $params = array(), array $types = array())
+ {
+ $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 $ex) {
+ throw DBALException::driverExceptionDuringQuery($ex, $query, $this->resolveParams($params, $types));
+ }
+
+ if ($logger) {
+ $logger->stopQuery();
+ }
+
+ return $result;
+ }
+
+ /**
+ * Execute an SQL statement and return the number of affected rows.
+ *
+ * @param string $statement
+ * @return integer The number of affected rows.
+ */
+ public function exec($statement)
+ {
+ $this->connect();
+
+ $logger = $this->_config->getSQLLogger();
+ if ($logger) {
+ $logger->startQuery($statement);
+ }
+
+ try {
+ $result = $this->_conn->exec($statement);
+ } catch (\Exception $ex) {
+ throw DBALException::driverExceptionDuringQuery($ex, $statement);
+ }
+
+ if ($logger) {
+ $logger->stopQuery();
+ }
+
+ return $result;
+ }
+
+ /**
+ * Returns the current transaction nesting level.
+ *
+ * @return integer The nesting level. A value of 0 means there's no active transaction.
+ */
+ public function getTransactionNestingLevel()
+ {
+ return $this->_transactionNestingLevel;
+ }
+
+ /**
+ * Fetch the SQLSTATE associated with the last database operation.
+ *
+ * @return integer The last error code.
+ */
+ public function errorCode()
+ {
+ $this->connect();
+ return $this->_conn->errorCode();
+ }
+
+ /**
+ * Fetch 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 $seqName Name of the sequence object from which the ID should be returned.
+ * @return string A string representation of the last inserted ID.
+ */
+ public function lastInsertId($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.
+ */
+ public function transactional(Closure $func)
+ {
+ $this->beginTransaction();
+ try {
+ $func($this);
+ $this->commit();
+ } catch (Exception $e) {
+ $this->rollback();
+ throw $e;
+ }
+ }
+
+ /**
+ * Set if nested transactions should use savepoints
+ *
+ * @param boolean $nestTransactionsWithSavepoints
+ * @return void
+ */
+ public function setNestTransactionsWithSavepoints($nestTransactionsWithSavepoints)
+ {
+ if ($this->_transactionNestingLevel > 0) {
+ throw ConnectionException::mayNotAlterNestedTransactionWithSavepointsInTransaction();
+ }
+
+ if ( ! $this->_platform->supportsSavepoints()) {
+ throw ConnectionException::savepointsNotSupported();
+ }
+
+ $this->_nestTransactionsWithSavepoints = $nestTransactionsWithSavepoints;
+ }
+
+ /**
+ * Get if nested transactions should use savepoints
+ *
+ * @return boolean
+ */
+ 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) {
+ $logger->stopQuery();
+ }
+ } else if ($this->_nestTransactionsWithSavepoints) {
+ if ($logger) {
+ $logger->startQuery('"SAVEPOINT"');
+ }
+ $this->createSavepoint($this->_getNestedTransactionSavePointName());
+ if ($logger) {
+ $logger->stopQuery();
+ }
+ }
+ }
+
+ /**
+ * Commits the current transaction.
+ *
+ * @return void
+ * @throws ConnectionException If the commit failed due to no active transaction or
+ * because the transaction was marked for rollback only.
+ */
+ public function commit()
+ {
+ if ($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) {
+ $logger->stopQuery();
+ }
+ } else if ($this->_nestTransactionsWithSavepoints) {
+ if ($logger) {
+ $logger->startQuery('"RELEASE SAVEPOINT"');
+ }
+ $this->releaseSavepoint($this->_getNestedTransactionSavePointName());
+ if ($logger) {
+ $logger->stopQuery();
+ }
+ }
+
+ --$this->_transactionNestingLevel;
+ }
+
+ /**
+ * Cancel any database changes done during the current transaction.
+ *
+ * this method can be listened with onPreTransactionRollback and onTransactionRollback
+ * eventlistener methods
+ *
+ * @throws 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) {
+ $logger->stopQuery();
+ }
+ } else if ($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;
+ }
+ }
+
+ /**
+ * createSavepoint
+ * creates a new savepoint
+ *
+ * @param string $savepoint name of a savepoint to set
+ * @return void
+ */
+ public function createSavepoint($savepoint)
+ {
+ if ( ! $this->_platform->supportsSavepoints()) {
+ throw ConnectionException::savepointsNotSupported();
+ }
+
+ $this->_conn->exec($this->_platform->createSavePoint($savepoint));
+ }
+
+ /**
+ * releaseSavePoint
+ * releases given savepoint
+ *
+ * @param string $savepoint name of a savepoint to release
+ * @return void
+ */
+ public function releaseSavepoint($savepoint)
+ {
+ if ( ! $this->_platform->supportsSavepoints()) {
+ throw ConnectionException::savepointsNotSupported();
+ }
+
+ if ($this->_platform->supportsReleaseSavepoints()) {
+ $this->_conn->exec($this->_platform->releaseSavePoint($savepoint));
+ }
+ }
+
+ /**
+ * rollbackSavePoint
+ * releases given savepoint
+ *
+ * @param string $savepoint name of a savepoint to rollback to
+ * @return void
+ */
+ public function rollbackSavepoint($savepoint)
+ {
+ if ( ! $this->_platform->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 $this->_schemaManager;
+ }
+
+ /**
+ * Marks the current transaction so that the only possible
+ * outcome for the transaction to be rolled back.
+ *
+ * @throws ConnectionException If no transaction is active.
+ */
+ public function setRollbackOnly()
+ {
+ if ($this->_transactionNestingLevel == 0) {
+ throw ConnectionException::noActiveTransaction();
+ }
+ $this->_isRollbackOnly = true;
+ }
+
+ /**
+ * Check whether the current transaction is marked for rollback only.
+ *
+ * @return boolean
+ * @throws ConnectionException If no transaction is active.
+ */
+ public function isRollbackOnly()
+ {
+ if ($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->_platform);
+ }
+
+ /**
+ * 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->_platform);
+ }
+
+ /**
+ * 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 string $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).
+ * @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->_platform);
+ $bindingType = $type->getBindingType();
+ } else {
+ $bindingType = $type; // PDO::PARAM_* constants
+ }
+ return array($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)
+ {
+ $resolvedParams = array();
+
+ // Check whether parameters are positional or named. Mixing is not allowed, just like in PDO.
+ if (is_int(key($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 $resolvedParams;
+ }
+
+ /**
+ * Create a new instance of a SQL query builder.
+ *
+ * @return \Doctrine\DBAL\Query\QueryBuilder
+ */
+ public function createQueryBuilder()
+ {
+ return new Query\QueryBuilder($this);
+ }
+}
projects / zf2.biz / application_blanche.git / blobdiff