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<?php
namespace Doctrine\DBAL;
use Closure;
use Doctrine\Common\EventManager;
use Doctrine\DBAL\Cache\ArrayResult;
use Doctrine\DBAL\Cache\CacheException;
use Doctrine\DBAL\Cache\QueryCacheProfile;
use Doctrine\DBAL\Driver\API\ExceptionConverter;
use Doctrine\DBAL\Driver\Connection as DriverConnection;
use Doctrine\DBAL\Driver\ServerInfoAwareConnection;
use Doctrine\DBAL\Driver\Statement as DriverStatement;
use Doctrine\DBAL\Event\TransactionBeginEventArgs;
use Doctrine\DBAL\Event\TransactionCommitEventArgs;
use Doctrine\DBAL\Event\TransactionRollBackEventArgs;
use Doctrine\DBAL\Exception\ConnectionLost;
use Doctrine\DBAL\Exception\DriverException;
use Doctrine\DBAL\Exception\InvalidArgumentException;
use Doctrine\DBAL\Platforms\AbstractPlatform;
use Doctrine\DBAL\Query\Expression\ExpressionBuilder;
use Doctrine\DBAL\Query\QueryBuilder;
use Doctrine\DBAL\Schema\AbstractSchemaManager;
use Doctrine\DBAL\SQL\Parser;
use Doctrine\DBAL\Types\Type;
use Doctrine\Deprecations\Deprecation;
use LogicException;
use Throwable;
use Traversable;
use function array_key_exists;
use function assert;
use function count;
use function get_class;
use function implode;
use function is_int;
use function is_string;
use function key;
use function method_exists;
use function sprintf;
/**
* A database abstraction-level connection that implements features like events, transaction isolation levels,
* configuration, emulated transaction nesting, lazy connecting and more.
*
* @psalm-import-type Params from DriverManager
* @psalm-consistent-constructor
*/
class Connection
{
/**
* Represents an array of ints to be expanded by Doctrine SQL parsing.
*/
public const PARAM_INT_ARRAY = ParameterType::INTEGER + self::ARRAY_PARAM_OFFSET;
/**
* Represents an array of strings to be expanded by Doctrine SQL parsing.
*/
public const PARAM_STR_ARRAY = ParameterType::STRING + self::ARRAY_PARAM_OFFSET;
/**
* Represents an array of ascii strings to be expanded by Doctrine SQL parsing.
*/
public const PARAM_ASCII_STR_ARRAY = ParameterType::ASCII + self::ARRAY_PARAM_OFFSET;
/**
* Offset by which PARAM_* constants are detected as arrays of the param type.
*
* @internal Should be used only within the wrapper layer.
*/
public const ARRAY_PARAM_OFFSET = 100;
/**
* The wrapped driver connection.
*
* @var \Doctrine\DBAL\Driver\Connection|null
*/
protected $_conn;
/** @var Configuration */
protected $_config;
/** @var EventManager */
protected $_eventManager;
/**
* @deprecated Use {@see createExpressionBuilder()} instead.
*
* @var ExpressionBuilder
*/
protected $_expr;
/**
* The current auto-commit mode of this connection.
*/
private bool $autoCommit = true;
/**
* The transaction nesting level.
*/
private int $transactionNestingLevel = 0;
/**
* The currently active transaction isolation level or NULL before it has been determined.
*
* @var TransactionIsolationLevel::*|null
*/
private $transactionIsolationLevel;
/**
* If nested transactions should use savepoints.
*/
private bool $nestTransactionsWithSavepoints = false;
/**
* The parameters used during creation of the Connection instance.
*
* @var array<string,mixed>
* @psalm-var Params
*/
private array $params;
/**
* The database platform object used by the connection or NULL before it's initialized.
*/
private ?AbstractPlatform $platform = null;
private ?ExceptionConverter $exceptionConverter = null;
private ?Parser $parser = null;
/**
* The schema manager.
*
* @deprecated Use {@see createSchemaManager()} instead.
*
* @var AbstractSchemaManager|null
*/
protected $_schemaManager;
/**
* The used DBAL driver.
*
* @var Driver
*/
protected $_driver;
/**
* Flag that indicates whether the current transaction is marked for rollback only.
*/
private bool $isRollbackOnly = false;
/**
* Initializes a new instance of the Connection class.
*
* @internal The connection can be only instantiated by the driver manager.
*
* @param array<string,mixed> $params The connection parameters.
* @param Driver $driver The driver to use.
* @param Configuration|null $config The configuration, optional.
* @param EventManager|null $eventManager The event manager, optional.
* @psalm-param Params $params
* @phpstan-param array<string,mixed> $params
*
* @throws Exception
*/
public function __construct(
array $params,
Driver $driver,
?Configuration $config = null,
?EventManager $eventManager = null
) {
$this->_driver = $driver;
$this->params = $params;
// Create default config and event manager if none given
$config ??= new Configuration();
$eventManager ??= new EventManager();
$this->_config = $config;
$this->_eventManager = $eventManager;
if (isset($params['platform'])) {
if (! $params['platform'] instanceof Platforms\AbstractPlatform) {
throw Exception::invalidPlatformType($params['platform']);
}
$this->platform = $params['platform'];
$this->platform->setEventManager($this->_eventManager);
}
$this->_expr = $this->createExpressionBuilder();
$this->autoCommit = $config->getAutoCommit();
}
/**
* Gets the parameters used during instantiation.
*
* @internal
*
* @return array<string,mixed>
* @psalm-return Params
*/
public function getParams()
{
return $this->params;
}
/**
* Gets the name of the currently selected database.
*
* @return string|null The name of the database or NULL if a database is not selected.
* The platforms which don't support the concept of a database (e.g. embedded databases)
* must always return a string as an indicator of an implicitly selected database.
*
* @throws Exception
*/
public function getDatabase()
{
$platform = $this->getDatabasePlatform();
$query = $platform->getDummySelectSQL($platform->getCurrentDatabaseExpression());
$database = $this->fetchOne($query);
assert(is_string($database) || $database === null);
return $database;
}
/**
* Gets the DBAL driver instance.
*
* @return Driver
*/
public function getDriver()
{
return $this->_driver;
}
/**
* Gets the Configuration used by the Connection.
*
* @return Configuration
*/
public function getConfiguration()
{
return $this->_config;
}
/**
* Gets the EventManager used by the Connection.
*
* @return EventManager
*/
public function getEventManager()
{
return $this->_eventManager;
}
/**
* Gets the DatabasePlatform for the connection.
*
* @return AbstractPlatform
*
* @throws Exception
*/
public function getDatabasePlatform()
{
if ($this->platform === null) {
$this->platform = $this->detectDatabasePlatform();
$this->platform->setEventManager($this->_eventManager);
}
return $this->platform;
}
/**
* Creates an expression builder for the connection.
*/
public function createExpressionBuilder(): ExpressionBuilder
{
return new ExpressionBuilder($this);
}
/**
* Gets the ExpressionBuilder for the connection.
*
* @deprecated Use {@see createExpressionBuilder()} instead.
*
* @return ExpressionBuilder
*/
public function getExpressionBuilder()
{
Deprecation::triggerIfCalledFromOutside(
'doctrine/dbal',
'https://github.com/doctrine/dbal/issues/4515',
'Connection::getExpressionBuilder() is deprecated,'
. ' use Connection::createExpressionBuilder() instead.',
);
return $this->_expr;
}
/**
* Establishes the connection with the database.
*
* @internal This method will be made protected in DBAL 4.0.
*
* @return bool TRUE if the connection was successfully established, FALSE if
* the connection is already open.
*
* @throws Exception
*/
public function connect()
{
Deprecation::triggerIfCalledFromOutside(
'doctrine/dbal',
'https://github.com/doctrine/dbal/issues/4966',
'Public access to Connection::connect() is deprecated.',
);
if ($this->_conn !== null) {
return false;
}
try {
$this->_conn = $this->_driver->connect($this->params);
} catch (Driver\Exception $e) {
throw $this->convertException($e);
}
if ($this->autoCommit === false) {
$this->beginTransaction();
}
if ($this->_eventManager->hasListeners(Events::postConnect)) {
$eventArgs = new Event\ConnectionEventArgs($this);
$this->_eventManager->dispatchEvent(Events::postConnect, $eventArgs);
}
return true;
}
/**
* Detects and sets the database platform.
*
* Evaluates custom platform class and version in order to set the correct platform.
*
* @throws Exception If an invalid platform was specified for this connection.
*/
private function detectDatabasePlatform(): AbstractPlatform
{
$version = $this->getDatabasePlatformVersion();
if ($version !== null) {
assert($this->_driver instanceof VersionAwarePlatformDriver);
return $this->_driver->createDatabasePlatformForVersion($version);
}
return $this->_driver->getDatabasePlatform();
}
/**
* Returns the version of the related platform if applicable.
*
* Returns null if either the driver is not capable to create version
* specific platform instances, no explicit server version was specified
* or the underlying driver connection cannot determine the platform
* version without having to query it (performance reasons).
*
* @return string|null
*
* @throws Throwable
*/
private function getDatabasePlatformVersion()
{
// Driver does not support version specific platforms.
if (! $this->_driver instanceof VersionAwarePlatformDriver) {
return null;
}
// Explicit platform version requested (supersedes auto-detection).
if (isset($this->params['serverVersion'])) {
return $this->params['serverVersion'];
}
// If not connected, we need to connect now to determine the platform version.
if ($this->_conn === null) {
try {
$this->connect();
} catch (Exception $originalException) {
if (! isset($this->params['dbname'])) {
throw $originalException;
}
// The database to connect to might not yet exist.
// Retry detection without database name connection parameter.
$params = $this->params;
unset($this->params['dbname']);
try {
$this->connect();
} catch (Exception $fallbackException) {
// Either the platform does not support database-less connections
// or something else went wrong.
throw $originalException;
} finally {
$this->params = $params;
}
$serverVersion = $this->getServerVersion();
// Close "temporary" connection to allow connecting to the real database again.
$this->close();
return $serverVersion;
}
}
return $this->getServerVersion();
}
/**
* Returns the database server version if the underlying driver supports it.
*
* @return string|null
*
* @throws Exception
*/
private function getServerVersion()
{
$connection = $this->getWrappedConnection();
// Automatic platform version detection.
if ($connection instanceof ServerInfoAwareConnection) {
try {
return $connection->getServerVersion();
} catch (Driver\Exception $e) {
throw $this->convertException($e);
}
}
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/4750',
'Not implementing the ServerInfoAwareConnection interface in %s is deprecated',
get_class($connection),
);
// Unable to detect platform version.
return null;
}
/**
* Returns the current auto-commit mode for this connection.
*
* @see setAutoCommit
*
* @return bool True if auto-commit mode is currently enabled for this connection, false otherwise.
*/
public function isAutoCommit()
{
return $this->autoCommit === true;
}
/**
* Sets auto-commit mode for this connection.
*
* If a connection is in auto-commit mode, then all its SQL statements will be executed and committed as individual
* transactions. Otherwise, its SQL statements are grouped into transactions that are terminated by a call to either
* the method commit or the method rollback. By default, new connections are in auto-commit mode.
*
* NOTE: If this method is called during a transaction and the auto-commit mode is changed, the transaction is
* committed. If this method is called and the auto-commit mode is not changed, the call is a no-op.
*
* @see isAutoCommit
*
* @param bool $autoCommit True to enable auto-commit mode; false to disable it.
*
* @return void
*/
public function setAutoCommit($autoCommit)
{
$autoCommit = (bool) $autoCommit;
// Mode not changed, no-op.
if ($autoCommit === $this->autoCommit) {
return;
}
$this->autoCommit = $autoCommit;
// Commit all currently active transactions if any when switching auto-commit mode.
if ($this->_conn === null || $this->transactionNestingLevel === 0) {
return;
}
$this->commitAll();
}
/**
* Prepares and executes an SQL query and returns the first row of the result
* as an associative array.
*
* @param string $query SQL query
* @param list<mixed>|array<string, mixed> $params Query parameters
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @return array<string, mixed>|false False is returned if no rows are found.
*
* @throws Exception
*/
public function fetchAssociative(string $query, array $params = [], array $types = [])
{
return $this->executeQuery($query, $params, $types)->fetchAssociative();
}
/**
* Prepares and executes an SQL query and returns the first row of the result
* as a numerically indexed array.
*
* @param string $query SQL query
* @param list<mixed>|array<string, mixed> $params Query parameters
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @return list<mixed>|false False is returned if no rows are found.
*
* @throws Exception
*/
public function fetchNumeric(string $query, array $params = [], array $types = [])
{
return $this->executeQuery($query, $params, $types)->fetchNumeric();
}
/**
* Prepares and executes an SQL query and returns the value of a single column
* of the first row of the result.
*
* @param string $query SQL query
* @param list<mixed>|array<string, mixed> $params Query parameters
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @return mixed|false False is returned if no rows are found.
*
* @throws Exception
*/
public function fetchOne(string $query, array $params = [], array $types = [])
{
return $this->executeQuery($query, $params, $types)->fetchOne();
}
/**
* Whether an actual connection to the database is established.
*
* @return bool
*/
public function isConnected()
{
return $this->_conn !== null;
}
/**
* 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;
}
/**
* Adds condition based on the criteria to the query components
*
* @param array<string,mixed> $criteria Map of key columns to their values
* @param string[] $columns Column names
* @param mixed[] $values Column values
* @param string[] $conditions Key conditions
*
* @throws Exception
*/
private function addCriteriaCondition(
array $criteria,
array &$columns,
array &$values,
array &$conditions
): void {
$platform = $this->getDatabasePlatform();
foreach ($criteria as $columnName => $value) {
if ($value === null) {
$conditions[] = $platform->getIsNullExpression($columnName);
continue;
}
$columns[] = $columnName;
$values[] = $value;
$conditions[] = $columnName . ' = ?';
}
}
/**
* Executes an SQL DELETE statement on a table.
*
* Table expression and columns are not escaped and are not safe for user-input.
*
* @param string $table Table name
* @param array<string, mixed> $criteria Deletion criteria
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @return int|string The number of affected rows.
*
* @throws Exception
*/
public function delete($table, array $criteria, array $types = [])
{
if (count($criteria) === 0) {
throw InvalidArgumentException::fromEmptyCriteria();
}
$columns = $values = $conditions = [];
$this->addCriteriaCondition($criteria, $columns, $values, $conditions);
return $this->executeStatement(
'DELETE FROM ' . $table . ' 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->transactionNestingLevel = 0;
}
/**
* Sets the transaction isolation level.
*
* @param TransactionIsolationLevel::* $level The level to set.
*
* @return int|string
*
* @throws Exception
*/
public function setTransactionIsolation($level)
{
$this->transactionIsolationLevel = $level;
return $this->executeStatement($this->getDatabasePlatform()->getSetTransactionIsolationSQL($level));
}
/**
* Gets the currently active transaction isolation level.
*
* @return TransactionIsolationLevel::* The current transaction isolation level.
*
* @throws Exception
*/
public function getTransactionIsolation()
{
return $this->transactionIsolationLevel ??= $this->getDatabasePlatform()->getDefaultTransactionIsolationLevel();
}
/**
* Executes an SQL UPDATE statement on a table.
*
* Table expression and columns are not escaped and are not safe for user-input.
*
* @param string $table Table name
* @param array<string, mixed> $data Column-value pairs
* @param array<string, mixed> $criteria Update criteria
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @return int|string The number of affected rows.
*
* @throws Exception
*/
public function update($table, array $data, array $criteria, array $types = [])
{
$columns = $values = $conditions = $set = [];
foreach ($data as $columnName => $value) {
$columns[] = $columnName;
$values[] = $value;
$set[] = $columnName . ' = ?';
}
$this->addCriteriaCondition($criteria, $columns, $values, $conditions);
if (is_string(key($types))) {
$types = $this->extractTypeValues($columns, $types);
}
$sql = 'UPDATE ' . $table . ' SET ' . implode(', ', $set)
. ' WHERE ' . implode(' AND ', $conditions);
return $this->executeStatement($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 $table Table name
* @param array<string, mixed> $data Column-value pairs
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @return int|string The number of affected rows.
*
* @throws Exception
*/
public function insert($table, array $data, array $types = [])
{
if (count($data) === 0) {
return $this->executeStatement('INSERT INTO ' . $table . ' () VALUES ()');
}
$columns = [];
$values = [];
$set = [];
foreach ($data as $columnName => $value) {
$columns[] = $columnName;
$values[] = $value;
$set[] = '?';
}
return $this->executeStatement(
'INSERT INTO ' . $table . ' (' . 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<int, string> $columnList
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types
*
* @return array<int, int|string|Type|null>|array<string, int|string|Type|null>
*/
private function extractTypeValues(array $columnList, array $types): array
{
$typeValues = [];
foreach ($columnList as $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);
}
/**
* The usage of this method is discouraged. Use prepared statements
* or {@see AbstractPlatform::quoteStringLiteral()} instead.
*
* @param mixed $value
* @param int|string|Type|null $type
*
* @return mixed
*/
public function quote($value, $type = ParameterType::STRING)
{
$connection = $this->getWrappedConnection();
[$value, $bindingType] = $this->getBindingInfo($value, $type);
return $connection->quote($value, $bindingType);
}
/**
* Prepares and executes an SQL query and returns the result as an array of numeric arrays.
*
* @param string $query SQL query
* @param list<mixed>|array<string, mixed> $params Query parameters
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @return list<list<mixed>>
*
* @throws Exception
*/
public function fetchAllNumeric(string $query, array $params = [], array $types = []): array
{
return $this->executeQuery($query, $params, $types)->fetchAllNumeric();
}
/**
* Prepares and executes an SQL query and returns the result as an array of associative arrays.
*
* @param string $query SQL query
* @param list<mixed>|array<string, mixed> $params Query parameters
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @return list<array<string,mixed>>
*
* @throws Exception
*/
public function fetchAllAssociative(string $query, array $params = [], array $types = []): array
{
return $this->executeQuery($query, $params, $types)->fetchAllAssociative();
}
/**
* Prepares and executes an SQL query and returns the result as an associative array with the keys
* mapped to the first column and the values mapped to the second column.
*
* @param string $query SQL query
* @param list<mixed>|array<string, mixed> $params Query parameters
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @return array<mixed,mixed>
*
* @throws Exception
*/
public function fetchAllKeyValue(string $query, array $params = [], array $types = []): array
{
return $this->executeQuery($query, $params, $types)->fetchAllKeyValue();
}
/**
* Prepares and executes an SQL query and returns the result as an associative array with the keys mapped
* to the first column and the values being an associative array representing the rest of the columns
* and their values.
*
* @param string $query SQL query
* @param list<mixed>|array<string, mixed> $params Query parameters
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @return array<mixed,array<string,mixed>>
*
* @throws Exception
*/
public function fetchAllAssociativeIndexed(string $query, array $params = [], array $types = []): array
{
return $this->executeQuery($query, $params, $types)->fetchAllAssociativeIndexed();
}
/**
* Prepares and executes an SQL query and returns the result as an array of the first column values.
*
* @param string $query SQL query
* @param list<mixed>|array<string, mixed> $params Query parameters
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @return list<mixed>
*
* @throws Exception
*/
public function fetchFirstColumn(string $query, array $params = [], array $types = []): array
{
return $this->executeQuery($query, $params, $types)->fetchFirstColumn();
}
/**
* Prepares and executes an SQL query and returns the result as an iterator over rows represented as numeric arrays.
*
* @param string $query SQL query
* @param list<mixed>|array<string, mixed> $params Query parameters
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @return Traversable<int,list<mixed>>
*
* @throws Exception
*/
public function iterateNumeric(string $query, array $params = [], array $types = []): Traversable
{
return $this->executeQuery($query, $params, $types)->iterateNumeric();
}
/**
* Prepares and executes an SQL query and returns the result as an iterator over rows represented
* as associative arrays.
*
* @param string $query SQL query
* @param list<mixed>|array<string, mixed> $params Query parameters
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @return Traversable<int,array<string,mixed>>
*
* @throws Exception
*/
public function iterateAssociative(string $query, array $params = [], array $types = []): Traversable
{
return $this->executeQuery($query, $params, $types)->iterateAssociative();
}
/**
* Prepares and executes an SQL query and returns the result as an iterator with the keys
* mapped to the first column and the values mapped to the second column.
*
* @param string $query SQL query
* @param list<mixed>|array<string, mixed> $params Query parameters
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @return Traversable<mixed,mixed>
*
* @throws Exception
*/
public function iterateKeyValue(string $query, array $params = [], array $types = []): Traversable
{
return $this->executeQuery($query, $params, $types)->iterateKeyValue();
}
/**
* Prepares and executes an SQL query and returns the result as an iterator with the keys mapped
* to the first column and the values being an associative array representing the rest of the columns
* and their values.
*
* @param string $query SQL query
* @param list<mixed>|array<string, mixed> $params Query parameters
* @param array<int, int|string>|array<string, int|string> $types Parameter types
*
* @return Traversable<mixed,array<string,mixed>>
*
* @throws Exception
*/
public function iterateAssociativeIndexed(string $query, array $params = [], array $types = []): Traversable
{
return $this->executeQuery($query, $params, $types)->iterateAssociativeIndexed();
}
/**
* Prepares and executes an SQL query and returns the result as an iterator over the first column values.
*
* @param string $query SQL query
* @param list<mixed>|array<string, mixed> $params Query parameters
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @return Traversable<int,mixed>
*
* @throws Exception
*/
public function iterateColumn(string $query, array $params = [], array $types = []): Traversable
{
return $this->executeQuery($query, $params, $types)->iterateColumn();
}
/**
* Prepares an SQL statement.
*
* @param string $sql The SQL statement to prepare.
*
* @throws Exception
*/
public function prepare(string $sql): Statement
{
$connection = $this->getWrappedConnection();
try {
$statement = $connection->prepare($sql);
} catch (Driver\Exception $e) {
throw $this->convertExceptionDuringQuery($e, $sql);
}
return new Statement($this, $statement, $sql);
}
/**
* 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 $sql SQL query
* @param list<mixed>|array<string, mixed> $params Query parameters
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @throws Exception
*/
public function executeQuery(
string $sql,
array $params = [],
$types = [],
?QueryCacheProfile $qcp = null
): Result {
if ($qcp !== null) {
return $this->executeCacheQuery($sql, $params, $types, $qcp);
}
$connection = $this->getWrappedConnection();
$logger = $this->_config->getSQLLogger();
if ($logger !== null) {
$logger->startQuery($sql, $params, $types);
}
try {
if (count($params) > 0) {
if ($this->needsArrayParameterConversion($params, $types)) {
[$sql, $params, $types] = $this->expandArrayParameters($sql, $params, $types);
}
$stmt = $connection->prepare($sql);
$this->bindParameters($stmt, $params, $types);
$result = $stmt->execute();
} else {
$result = $connection->query($sql);
}
return new Result($result, $this);
} catch (Driver\Exception $e) {
throw $this->convertExceptionDuringQuery($e, $sql, $params, $types);
} finally {
if ($logger !== null) {
$logger->stopQuery();
}
}
}
/**
* Executes a caching query.
*
* @param string $sql SQL query
* @param list<mixed>|array<string, mixed> $params Query parameters
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @throws CacheException
* @throws Exception
*/
public function executeCacheQuery($sql, $params, $types, QueryCacheProfile $qcp): Result
{
$resultCache = $qcp->getResultCache() ?? $this->_config->getResultCache();
if ($resultCache === null) {
throw CacheException::noResultDriverConfigured();
}
$connectionParams = $this->params;
unset($connectionParams['platform']);
[$cacheKey, $realKey] = $qcp->generateCacheKeys($sql, $params, $types, $connectionParams);
$item = $resultCache->getItem($cacheKey);
if ($item->isHit()) {
$value = $item->get();
if (isset($value[$realKey])) {
return new Result(new ArrayResult($value[$realKey]), $this);
}
} else {
$value = [];
}
$data = $this->fetchAllAssociative($sql, $params, $types);
$value[$realKey] = $data;
$item->set($value);
$lifetime = $qcp->getLifetime();
if ($lifetime > 0) {
$item->expiresAfter($lifetime);
}
$resultCache->save($item);
return new Result(new ArrayResult($data), $this);
}
/**
* Executes an SQL statement with the given parameters and returns the number of affected rows.
*
* Could be used for:
* - DML statements: INSERT, UPDATE, DELETE, etc.
* - DDL statements: CREATE, DROP, ALTER, etc.
* - DCL statements: GRANT, REVOKE, etc.
* - Session control statements: ALTER SESSION, SET, DECLARE, etc.
* - Other statements that don't yield a row set.
*
* This method supports PDO binding types as well as DBAL mapping types.
*
* @param string $sql SQL statement
* @param list<mixed>|array<string, mixed> $params Statement parameters
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @return int|string The number of affected rows.
*
* @throws Exception
*/
public function executeStatement($sql, array $params = [], array $types = [])
{
$connection = $this->getWrappedConnection();
$logger = $this->_config->getSQLLogger();
if ($logger !== null) {
$logger->startQuery($sql, $params, $types);
}
try {
if (count($params) > 0) {
if ($this->needsArrayParameterConversion($params, $types)) {
[$sql, $params, $types] = $this->expandArrayParameters($sql, $params, $types);
}
$stmt = $connection->prepare($sql);
$this->bindParameters($stmt, $params, $types);
return $stmt->execute()
->rowCount();
}
return $connection->exec($sql);
} catch (Driver\Exception $e) {
throw $this->convertExceptionDuringQuery($e, $sql, $params, $types);
} finally {
if ($logger !== null) {
$logger->stopQuery();
}
}
}
/**
* 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;
}
/**
* 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 $name Name of the sequence object from which the ID should be returned.
*
* @return string|int|false A string representation of the last inserted ID.
*
* @throws Exception
*/
public function lastInsertId($name = null)
{
if ($name !== null) {
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/issues/4687',
'The usage of Connection::lastInsertId() with a sequence name is deprecated.',
);
}
try {
return $this->getWrappedConnection()->lastInsertId($name);
} catch (Driver\Exception $e) {
throw $this->convertException($e);
}
}
/**
* 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(self):T $func The function to execute transactionally.
*
* @return T The value returned by $func
*
* @throws Throwable
*
* @template T
*/
public function transactional(Closure $func)
{
$this->beginTransaction();
try {
$res = $func($this);
$this->commit();
return $res;
} catch (Throwable $e) {
$this->rollBack();
throw $e;
}
}
/**
* Sets if nested transactions should use savepoints.
*
* @param bool $nestTransactionsWithSavepoints
*
* @return void
*
* @throws Exception
*/
public function setNestTransactionsWithSavepoints($nestTransactionsWithSavepoints)
{
if (! $nestTransactionsWithSavepoints) {
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/5383',
<<<'DEPRECATION'
Nesting transactions without enabling savepoints is deprecated.
Call %s::setNestTransactionsWithSavepoints(true) to enable savepoints.
DEPRECATION,
self::class,
);
}
if ($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.
*
* @return string
*/
protected function _getNestedTransactionSavePointName()
{
return 'DOCTRINE2_SAVEPOINT_' . $this->transactionNestingLevel;
}
/**
* @return bool
*
* @throws Exception
*/
public function beginTransaction()
{
$connection = $this->getWrappedConnection();
++$this->transactionNestingLevel;
$logger = $this->_config->getSQLLogger();
if ($this->transactionNestingLevel === 1) {
if ($logger !== null) {
$logger->startQuery('"START TRANSACTION"');
}
$connection->beginTransaction();
if ($logger !== null) {
$logger->stopQuery();
}
} elseif ($this->nestTransactionsWithSavepoints) {
if ($logger !== null) {
$logger->startQuery('"SAVEPOINT"');
}
$this->createSavepoint($this->_getNestedTransactionSavePointName());
if ($logger !== null) {
$logger->stopQuery();
}
} else {
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/5383',
<<<'DEPRECATION'
Nesting transactions without enabling savepoints is deprecated.
Call %s::setNestTransactionsWithSavepoints(true) to enable savepoints.
DEPRECATION,
self::class,
);
}
$this->getEventManager()->dispatchEvent(Events::onTransactionBegin, new TransactionBeginEventArgs($this));
return true;
}
/**
* @return bool
*
* @throws Exception
*/
public function commit()
{
if ($this->transactionNestingLevel === 0) {
throw ConnectionException::noActiveTransaction();
}
if ($this->isRollbackOnly) {
throw ConnectionException::commitFailedRollbackOnly();
}
$result = true;
$connection = $this->getWrappedConnection();
$logger = $this->_config->getSQLLogger();
if ($this->transactionNestingLevel === 1) {
if ($logger !== null) {
$logger->startQuery('"COMMIT"');
}
$result = $connection->commit();
if ($logger !== null) {
$logger->stopQuery();
}
} elseif ($this->nestTransactionsWithSavepoints) {
if ($logger !== null) {
$logger->startQuery('"RELEASE SAVEPOINT"');
}
$this->releaseSavepoint($this->_getNestedTransactionSavePointName());
if ($logger !== null) {
$logger->stopQuery();
}
}
--$this->transactionNestingLevel;
$this->getEventManager()->dispatchEvent(Events::onTransactionCommit, new TransactionCommitEventArgs($this));
if ($this->autoCommit !== false || $this->transactionNestingLevel !== 0) {
return $result;
}
$this->beginTransaction();
return $result;
}
/**
* Commits all current nesting transactions.
*
* @throws Exception
*/
private function commitAll(): void
{
while ($this->transactionNestingLevel !== 0) {
if ($this->autoCommit === false && $this->transactionNestingLevel === 1) {
// 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;
}
$this->commit();
}
}
/**
* Cancels any database changes done during the current transaction.
*
* @return bool
*
* @throws Exception
*/
public function rollBack()
{
if ($this->transactionNestingLevel === 0) {
throw ConnectionException::noActiveTransaction();
}
$connection = $this->getWrappedConnection();
$logger = $this->_config->getSQLLogger();
if ($this->transactionNestingLevel === 1) {
if ($logger !== null) {
$logger->startQuery('"ROLLBACK"');
}
$this->transactionNestingLevel = 0;
$connection->rollBack();
$this->isRollbackOnly = false;
if ($logger !== null) {
$logger->stopQuery();
}
if ($this->autoCommit === false) {
$this->beginTransaction();
}
} elseif ($this->nestTransactionsWithSavepoints) {
if ($logger !== null) {
$logger->startQuery('"ROLLBACK TO SAVEPOINT"');
}
$this->rollbackSavepoint($this->_getNestedTransactionSavePointName());
--$this->transactionNestingLevel;
if ($logger !== null) {
$logger->stopQuery();
}
} else {
$this->isRollbackOnly = true;
--$this->transactionNestingLevel;
}
$this->getEventManager()->dispatchEvent(Events::onTransactionRollBack, new TransactionRollBackEventArgs($this));
return true;
}
/**
* Creates a new savepoint.
*
* @param string $savepoint The name of the savepoint to create.
*
* @return void
*
* @throws Exception
*/
public function createSavepoint($savepoint)
{
$platform = $this->getDatabasePlatform();
if (! $platform->supportsSavepoints()) {
throw ConnectionException::savepointsNotSupported();
}
$this->executeStatement($platform->createSavePoint($savepoint));
}
/**
* Releases the given savepoint.
*
* @param string $savepoint The name of the savepoint to release.
*
* @return void
*
* @throws Exception
*/
public function releaseSavepoint($savepoint)
{
$platform = $this->getDatabasePlatform();
if (! $platform->supportsSavepoints()) {
throw ConnectionException::savepointsNotSupported();
}
if (! $platform->supportsReleaseSavepoints()) {
return;
}
$this->executeStatement($platform->releaseSavePoint($savepoint));
}
/**
* Rolls back to the given savepoint.
*
* @param string $savepoint The name of the savepoint to rollback to.
*
* @return void
*
* @throws Exception
*/
public function rollbackSavepoint($savepoint)
{
$platform = $this->getDatabasePlatform();
if (! $platform->supportsSavepoints()) {
throw ConnectionException::savepointsNotSupported();
}
$this->executeStatement($platform->rollbackSavePoint($savepoint));
}
/**
* Gets the wrapped driver connection.
*
* @deprecated Use {@link getNativeConnection()} to access the native connection.
*
* @return DriverConnection
*
* @throws Exception
*/
public function getWrappedConnection()
{
Deprecation::triggerIfCalledFromOutside(
'doctrine/dbal',
'https://github.com/doctrine/dbal/issues/4966',
'Connection::getWrappedConnection() is deprecated.'
. ' Use Connection::getNativeConnection() to access the native connection.',
);
$this->connect();
assert($this->_conn !== null);
return $this->_conn;
}
/** @return resource|object */
public function getNativeConnection()
{
$this->connect();
assert($this->_conn !== null);
if (! method_exists($this->_conn, 'getNativeConnection')) {
throw new LogicException(sprintf(
'The driver connection %s does not support accessing the native connection.',
get_class($this->_conn),
));
}
return $this->_conn->getNativeConnection();
}
/**
* Creates a SchemaManager that can be used to inspect or change the
* database schema through the connection.
*
* @throws Exception
*/
public function createSchemaManager(): AbstractSchemaManager
{
return $this->_driver->getSchemaManager(
$this,
$this->getDatabasePlatform(),
);
}
/**
* Gets the SchemaManager that can be used to inspect or change the
* database schema through the connection.
*
* @deprecated Use {@see createSchemaManager()} instead.
*
* @return AbstractSchemaManager
*
* @throws Exception
*/
public function getSchemaManager()
{
Deprecation::triggerIfCalledFromOutside(
'doctrine/dbal',
'https://github.com/doctrine/dbal/issues/4515',
'Connection::getSchemaManager() is deprecated, use Connection::createSchemaManager() instead.',
);
return $this->_schemaManager ??= $this->createSchemaManager();
}
/**
* Marks the current transaction so that the only possible
* outcome for the transaction to be rolled back.
*
* @return void
*
* @throws ConnectionException If no transaction is active.
*/
public function setRollbackOnly()
{
if ($this->transactionNestingLevel === 0) {
throw ConnectionException::noActiveTransaction();
}
$this->isRollbackOnly = true;
}
/**
* Checks whether the current transaction is marked for rollback only.
*
* @return bool
*
* @throws ConnectionException If no transaction is active.
*/
public function isRollbackOnly()
{
if ($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 $type The name of the DBAL mapping type.
*
* @return mixed The converted value.
*
* @throws Exception
*/
public function convertToDatabaseValue($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 $type The name of the DBAL mapping type.
*
* @return mixed The converted type.
*
* @throws Exception
*/
public function convertToPHPValue($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 DriverStatement $stmt Prepared statement
* @param list<mixed>|array<string, mixed> $params Statement parameters
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types Parameter types
*
* @throws Exception
*/
private function bindParameters(DriverStatement $stmt, array $params, array $types): void
{
// Check whether parameters are positional or named. Mixing is not allowed.
if (is_int(key($params))) {
$bindIndex = 1;
foreach ($params as $key => $value) {
if (isset($types[$key])) {
$type = $types[$key];
[$value, $bindingType] = $this->getBindingInfo($value, $type);
} else {
if (array_key_exists($key, $types)) {
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/5550',
'Using NULL as prepared statement parameter type is deprecated.'
. 'Omit or use Parameter::STRING instead',
);
}
$bindingType = ParameterType::STRING;
}
$stmt->bindValue($bindIndex, $value, $bindingType);
++$bindIndex;
}
} else {
// Named parameters
foreach ($params as $name => $value) {
if (isset($types[$name])) {
$type = $types[$name];
[$value, $bindingType] = $this->getBindingInfo($value, $type);
} else {
if (array_key_exists($name, $types)) {
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/5550',
'Using NULL as prepared statement parameter type is deprecated.'
. 'Omit or use Parameter::STRING instead',
);
}
$bindingType = ParameterType::STRING;
}
$stmt->bindValue($name, $value, $bindingType);
}
}
}
/**
* Gets the binding type of a given type.
*
* @param mixed $value The value to bind.
* @param int|string|Type|null $type The type to bind (PDO or DBAL).
*
* @return array{mixed, int} [0] => the (escaped) value, [1] => the binding type.
*
* @throws Exception
*/
private function getBindingInfo($value, $type): array
{
if (is_string($type)) {
$type = Type::getType($type);
}
if ($type instanceof Type) {
$value = $type->convertToDatabaseValue($value, $this->getDatabasePlatform());
$bindingType = $type->getBindingType();
} else {
$bindingType = $type ?? ParameterType::STRING;
}
return [$value, $bindingType];
}
/**
* Creates a new instance of a SQL query builder.
*
* @return QueryBuilder
*/
public function createQueryBuilder()
{
return new Query\QueryBuilder($this);
}
/**
* @internal
*
* @param list<mixed>|array<string, mixed> $params
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types
*/
final public function convertExceptionDuringQuery(
Driver\Exception $e,
string $sql,
array $params = [],
array $types = []
): DriverException {
return $this->handleDriverException($e, new Query($sql, $params, $types));
}
/** @internal */
final public function convertException(Driver\Exception $e): DriverException
{
return $this->handleDriverException($e, null);
}
/**
* @param array<int, mixed>|array<string, mixed> $params
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types
*
* @return array{string, list<mixed>, array<int,Type|int|string|null>}
*/
private function expandArrayParameters(string $sql, array $params, array $types): array
{
$this->parser ??= $this->getDatabasePlatform()->createSQLParser();
$visitor = new ExpandArrayParameters($params, $types);
$this->parser->parse($sql, $visitor);
return [
$visitor->getSQL(),
$visitor->getParameters(),
$visitor->getTypes(),
];
}
/**
* @param array<int, mixed>|array<string, mixed> $params
* @param array<int, int|string|Type|null>|array<string, int|string|Type|null> $types
*/
private function needsArrayParameterConversion(array $params, array $types): bool
{
if (is_string(key($params))) {
return true;
}
foreach ($types as $type) {
if (
$type === self::PARAM_INT_ARRAY
|| $type === self::PARAM_STR_ARRAY
|| $type === self::PARAM_ASCII_STR_ARRAY
) {
return true;
}
}
return false;
}
private function handleDriverException(
Driver\Exception $driverException,
?Query $query
): DriverException {
$this->exceptionConverter ??= $this->_driver->getExceptionConverter();
$exception = $this->exceptionConverter->convert($driverException, $query);
if ($exception instanceof ConnectionLost) {
$this->close();
}
return $exception;
}
/**
* BC layer for a wide-spread use-case of old DBAL APIs
*
* @deprecated This API is deprecated and will be removed after 2022
*
* @param array<mixed> $params The query parameters
* @param array<int|string|null> $types The parameter types
*/
public function executeUpdate(string $sql, array $params = [], array $types = []): int
{
return $this->executeStatement($sql, $params, $types);
}
/**
* BC layer for a wide-spread use-case of old DBAL APIs
*
* @deprecated This API is deprecated and will be removed after 2022
*/
public function query(string $sql): Result
{
return $this->executeQuery($sql);
}
/**
* BC layer for a wide-spread use-case of old DBAL APIs
*
* @deprecated This API is deprecated and will be removed after 2022
*/
public function exec(string $sql): int
{
return $this->executeStatement($sql);
}
}

vendor/doctrine/dbal/src/Connection.php line 1761