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