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<?php
namespace Doctrine\DBAL\Driver;
use Doctrine\DBAL\ParameterType;
/**
* Connection interface.
* Driver connections must implement this interface.
*
* @method resource|object getNativeConnection()
*/
interface Connection
{
/**
* Prepares a statement for execution and returns a Statement object.
*
* @throws Exception
*/
public function prepare(string $sql): Statement;
/**
* Executes an SQL statement, returning a result set as a Statement object.
*
* @throws Exception
*/
public function query(string $sql): Result;
/**
* Quotes a string for use in a query.
*
* The usage of this method is discouraged. Use prepared statements
* or {@see AbstractPlatform::quoteStringLiteral()} instead.
*
* @param mixed $value
* @param int $type
*
* @return mixed
*/
public function quote($value, $type = ParameterType::STRING);
/**
* Executes an SQL statement and return the number of affected rows.
*
* @throws Exception
*/
public function exec(string $sql): int;
/**
* Returns the ID of the last inserted row or sequence value.
*
* @param string|null $name
*
* @return string|int|false
*
* @throws Exception
*/
public function lastInsertId($name = null);
/**
* Initiates a transaction.
*
* @return bool TRUE on success or FALSE on failure.
*
* @throws Exception
*/
public function beginTransaction();
/**
* Commits a transaction.
*
* @return bool TRUE on success or FALSE on failure.
*
* @throws Exception
*/
public function commit();
/**
* Rolls back the current transaction, as initiated by beginTransaction().
*
* @return bool TRUE on success or FALSE on failure.
*
* @throws Exception
*/
public function rollBack();
}