| 1 | <?php |
| 2 | |
| 3 | class Bd |
| 4 | { |
| 5 | |
| 6 | private static ?PDO $pdo = null; |
| 7 | |
| 8 | static function pdo(): PDO |
| 9 | { |
| 10 | if (self::$pdo === null) { |
| 11 | self::$pdo = new PDO( |
| 12 | |
| 13 | "sqlite:sincronizacion.db", |
| 14 | |
| 15 | null, |
| 16 | |
| 17 | null, |
| 18 | |
| 19 | [PDO::ATTR_PERSISTENT => false, PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION] |
| 20 | ); |
| 21 | |
| 22 | self::$pdo->exec( |
| 23 | 'CREATE TABLE IF NOT EXISTS PASATIEMPO ( |
| 24 | PAS_ID TEXT NOT NULL, |
| 25 | PAS_NOMBRE TEXT NOT NULL, |
| 26 | PAS_MODIFICACION INTEGER NOT NULL, |
| 27 | PAS_ELIMINADO INTEGER NOT NULL, |
| 28 | CONSTRAINT PAS_PK |
| 29 | PRIMARY KEY(PAS_ID), |
| 30 | CONSTRAINT PAS_ID_NV |
| 31 | CHECK(LENGTH(PAS_ID) > 0), |
| 32 | CONSTRAINT PAS_NOM_NV |
| 33 | CHECK(LENGTH(PAS_NOMBRE) > 0) |
| 34 | )' |
| 35 | ); |
| 36 | } |
| 37 | |
| 38 | return self::$pdo; |
| 39 | } |
| 40 | } |
| 41 | |