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Arsse/vendor/JKingWeb/NewsSync/Db/CommonSQLite3.php
2016-10-15 09:45:23 -04:00

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1.1 KiB
PHP

<?php
declare(strict_types=1);
namespace JKingWeb\NewsSync\Db;
Trait CommonSQLite3 {
static public function driverName(): string {
return "SQLite 3";
}
public function schemaVersion(string $schema = "main"): int {
return $this->unsafeQuery("PRAGMA $schema.user_version")->getSingle();
}
public function update($to) {
$sep = \DIRECTORY_SEPARATOR;
$path = \JKingWeb\NewsSync\BASE."sql".$sep."SQLite3".$sep;
$this->begin();
for($a = $this->schemaVersion(); $a < $to; $a++) {
$file = $path.$a.".sql";
if(!file_exists($file)) $this->fail(new Exception("updateMissing", ['version' => $a, 'driver_name' => $this->driverName()]));
if(!is_readable($file)) $this->fail(new Exception("updateUnreadable", ['version' => $a, 'driver_name' => $this->driverName()]));
$sql = @file_get_contents($file);
if($sql===false) $this->fail(new Exception("updateUnusable", ['version' => $a, 'driver_name' => $this->driverName()]));
$this->exec($sql);
}
$this->commit();
}
public function exec(string $query): bool {
return (bool) $this->db->exec($query);
}
}