1
1
Fork 0
mirror of https://code.mensbeam.com/MensBeam/Arsse.git synced 2024-12-23 17:12:41 +00:00
Arsse/lib/Db/Driver.php
2017-03-27 23:12:12 -05:00

29 lines
No EOL
1.6 KiB
PHP

<?php
declare(strict_types=1);
namespace JKingWeb\Arsse\Db;
interface Driver {
function __construct(\JKingWeb\Arsse\RuntimeData $data, bool $install = false);
// returns a human-friendly name for the driver (for display in installer, for example)
static function driverName(): string;
// returns the version of the scheme of the opened database; if uninitialized should return 0
function schemaVersion(): int;
// begin a real or synthetic transactions, with real or synthetic nesting
function begin(): bool;
// commit either the latest or all pending nested transactions; use of this method should assume a partial commit is a no-op
function commit(bool $all = false): bool;
// rollback either the latest or all pending nested transactions; use of this method should assume a partial rollback will not work
function rollback(bool $all = false): bool;
// attempt to advise other processes that they should not attempt to access the database; used during live upgrades
function lock(): bool;
function unlock(): bool;
function isLocked(): bool;
// attempt to perform an in-place upgrade of the database schema; this may be a no-op which always throws an exception
function schemaUpdate(int $to): bool;
// execute one or more unsanitized SQL queries and return an indication of success
function exec(string $query): bool;
// perform a single unsanitized query and return a result set
function query(string $query): Result;
// ready a prepared statement for later execution
function prepare(string $query, string ...$paramType): Statement;
}