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<?php
declare(strict_types=1);
namespace Doctrine\DBAL\Driver;
use Doctrine\DBAL\ServerVersionProvider;
/**
* Connection interface.
* Driver connections must implement this interface.
*/
interface Connection extends ServerVersionProvider
{
/**
* 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.
*/
public function quote(string $value): string;
/**
* Executes an SQL statement and return the number of affected rows.
* If the number of affected rows is greater than the maximum int value (PHP_INT_MAX),
* the number of affected rows may be returned as a string.
*
* @return int|numeric-string
*
* @throws Exception
*/
public function exec(string $sql): int|string;
/**
* Returns the ID of the last inserted row.
*
* This method returns an integer or a string representing the value of the auto-increment column
* from the last row inserted into the database, if any, or throws an exception if a value cannot be returned,
* in particular when:
*
* - the driver does not support identity columns;
* - the last statement dit not return an identity (caution: see note below).
*
* Note: if the last statement was not an INSERT to an autoincrement column, this method MAY return an ID from a
* previous statement. DO NOT RELY ON THIS BEHAVIOR which is driver-dependent: always call this method right after
* executing an INSERT statement.
*
* @throws Exception
*/
public function lastInsertId(): int|string;
/**
* Initiates a transaction.
*
* @throws Exception
*/
public function beginTransaction(): void;
/**
* Commits a transaction.
*
* @throws Exception
*/
public function commit(): void;
/**
* Rolls back the current transaction, as initiated by beginTransaction().
*
* @throws Exception
*/
public function rollBack(): void;
/**
* Provides access to the native database connection.
*
* @return resource|object
*/
public function getNativeConnection();
}
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