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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace PeServer\Core\Database; |
| 6 | |
| 7 | use Exception; |
| 8 | use PDO; |
| 9 | use PDOException; |
| 10 | use PDOStatement; |
| 11 | use Throwable; |
| 12 | use PeServer\Core\Collection\Arr; |
| 13 | use PeServer\Core\Database\ConnectionSetting; |
| 14 | use PeServer\Core\Database\DatabaseColumn; |
| 15 | use PeServer\Core\Database\DatabaseSequenceResult; |
| 16 | use PeServer\Core\Database\DatabaseTableResult; |
| 17 | use PeServer\Core\Database\IDatabaseTransactionContext; |
| 18 | use PeServer\Core\DisposerBase; |
| 19 | use PeServer\Core\Log\ILogger; |
| 20 | use PeServer\Core\Regex; |
| 21 | use PeServer\Core\Text; |
| 22 | use PeServer\Core\Throws\DatabaseException; |
| 23 | use PeServer\Core\Throws\NotImplementedException; |
| 24 | use PeServer\Core\Throws\SqlException; |
| 25 | use PeServer\Core\Throws\Throws; |
| 26 | use PeServer\Core\Throws\TransactionException; |
| 27 | use PeServer\Core\TypeUtility; |
| 28 | |
| 29 | /** |
| 30 | * DB処理。 |
| 31 | */ |
| 32 | class DatabaseContext extends DisposerBase implements IDatabaseTransactionContext |
| 33 | { |
| 34 | #region variable |
| 35 | |
| 36 | /** |
| 37 | * 接続処理。 |
| 38 | */ |
| 39 | protected readonly PDO $pdo; |
| 40 | |
| 41 | /** |
| 42 | * ロガー |
| 43 | */ |
| 44 | protected readonly ILogger $logger; |
| 45 | |
| 46 | protected Regex $regex; |
| 47 | |
| 48 | #endregion |
| 49 | |
| 50 | /** |
| 51 | * 生成。 |
| 52 | * |
| 53 | * @param ConnectionSetting $setting |
| 54 | * @param ILogger $logger |
| 55 | * @throws DatabaseException |
| 56 | */ |
| 57 | public function __construct(ConnectionSetting $setting, ILogger $logger) |
| 58 | { |
| 59 | $this->logger = $logger; |
| 60 | $this->regex = new Regex(); |
| 61 | |
| 62 | $this->pdo = Throws::wrap(PDOException::class, DatabaseException::class, fn () => new PDO($setting->dsn, $setting->user, $setting->password, $setting->options)); |
| 63 | $this->pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); //cspell:disable-line |
| 64 | $this->pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC); //cspell:disable-line |
| 65 | } |
| 66 | |
| 67 | #region function |
| 68 | |
| 69 | /** |
| 70 | * 直近のエラーメッセージを取得。 |
| 71 | * |
| 72 | * @return string |
| 73 | */ |
| 74 | private function getErrorMessage(): string |
| 75 | { |
| 76 | return Text::dump($this->pdo->errorInfo()); |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * バインド実行。 |
| 81 | * |
| 82 | * @param PDOStatement $statement |
| 83 | * @param array<string|int,string|int|bool>|null $parameters |
| 84 | * @phpstan-param array<array-key,DatabaseBindValueAlias>|null $parameters |
| 85 | * @return void |
| 86 | */ |
| 87 | private function setParameters(PDOStatement $statement, ?array $parameters): void |
| 88 | { |
| 89 | if ($parameters !== null) { |
| 90 | foreach ($parameters as $key => $value) { |
| 91 | if (!$statement->bindValue($key, $value)) { |
| 92 | throw new SqlException('$key: ' . $key . ' -> ' . TypeUtility::getType($value)); |
| 93 | } |
| 94 | } |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * 文を実行。 |
| 100 | * |
| 101 | * @param string $statement |
| 102 | * @phpstan-param literal-string $statement |
| 103 | * @phpstan-param array<array-key,DatabaseBindValueAlias>|null $parameters |
| 104 | * @return PDOStatement |
| 105 | * @throws SqlException 実行失敗。 |
| 106 | */ |
| 107 | private function executeStatement(string $statement, ?array $parameters): PDOStatement |
| 108 | { |
| 109 | $this->throwIfDisposed(); |
| 110 | |
| 111 | /** @var PDOStatement|false|null */ |
| 112 | $query = null; |
| 113 | |
| 114 | try { |
| 115 | $query = $this->pdo->prepare($statement); |
| 116 | if ($query === false) { |
| 117 | throw new SqlException($this->getErrorMessage()); |
| 118 | } |
| 119 | |
| 120 | $this->setParameters($query, $parameters); |
| 121 | } catch (PDOException $ex) { |
| 122 | Throws::reThrow(SqlException::class, $ex); |
| 123 | } |
| 124 | |
| 125 | $this->logger->trace($query, $parameters); |
| 126 | |
| 127 | try { |
| 128 | if (!$query->execute()) { |
| 129 | throw new DatabaseException($this->getErrorMessage()); |
| 130 | } |
| 131 | } catch (PDOException $ex) { |
| 132 | Throws::reThrow(DatabaseException::class, $ex); |
| 133 | } |
| 134 | |
| 135 | return $query; |
| 136 | } |
| 137 | |
| 138 | /** |
| 139 | * カラム情報一覧の取得。 |
| 140 | * |
| 141 | * カラム情報は取得できたものだけを返す。 |
| 142 | * |
| 143 | * @param PDOStatement $pdoStatement |
| 144 | * @return DatabaseColumn[] 取得できたカラム一覧。 |
| 145 | */ |
| 146 | private function getColumns(PDOStatement $pdoStatement): array |
| 147 | { |
| 148 | $count = $pdoStatement->columnCount(); |
| 149 | if ($count === 0) { |
| 150 | return []; |
| 151 | } |
| 152 | |
| 153 | $columns = []; |
| 154 | |
| 155 | for ($i = 0; $i < $count; $i++) { |
| 156 | $meta = $pdoStatement->getColumnMeta($i); |
| 157 | if ($meta === false) { |
| 158 | continue; |
| 159 | } |
| 160 | |
| 161 | $column = DatabaseColumn::create($meta); |
| 162 | $columns[] = $column; |
| 163 | } |
| 164 | |
| 165 | return $columns; |
| 166 | } |
| 167 | |
| 168 | /** |
| 169 | * 単一行データに変換。 |
| 170 | * |
| 171 | * データが存在しない場合、`DatabaseRowResult->field` はから配列となるが、あくまで `Database` 内限定のデータ状態となる。 |
| 172 | * |
| 173 | * @template TFieldArray of FieldArrayAlias |
| 174 | * @param PDOStatement $pdoStatement |
| 175 | * @return DatabaseRowResult |
| 176 | * @phpstan-return DatabaseRowResult<TFieldArray> |
| 177 | */ |
| 178 | private function convertRowResult(PDOStatement $pdoStatement): DatabaseRowResult |
| 179 | { |
| 180 | $columns = $this->getColumns($pdoStatement); |
| 181 | |
| 182 | $resultCount = $pdoStatement->rowCount(); |
| 183 | |
| 184 | /** @phpstan-var TFieldArray|false */ |
| 185 | $row = $pdoStatement->fetch(); |
| 186 | if ($row === false) { |
| 187 | return new DatabaseRowResult($columns, $resultCount, []); //@phpstan-ignore-line 空データを本クラス内のみ許容 |
| 188 | } |
| 189 | |
| 190 | return new DatabaseRowResult($columns, $resultCount, $row); //@phpstan-ignore-line 空じゃないでしょ・・・ |
| 191 | } |
| 192 | |
| 193 | /** |
| 194 | * データセットに変換。 |
| 195 | * |
| 196 | * @template TFieldArray of FieldArrayAlias |
| 197 | * @param PDOStatement $pdoStatement |
| 198 | * @return DatabaseTableResult |
| 199 | * @phpstan-return DatabaseTableResult<TFieldArray> |
| 200 | */ |
| 201 | private function convertTableResult(PDOStatement $pdoStatement): DatabaseTableResult |
| 202 | { |
| 203 | $columns = $this->getColumns($pdoStatement); |
| 204 | |
| 205 | $resultCount = $pdoStatement->rowCount(); |
| 206 | |
| 207 | $rows = $pdoStatement->fetchAll(); |
| 208 | // @phpstan-ignore-next-line: [PHP_VERSION] |
| 209 | if ($rows === false) { |
| 210 | throw new DatabaseException($this->getErrorMessage()); |
| 211 | } |
| 212 | |
| 213 | $result = new DatabaseTableResult($columns, $resultCount, $rows); |
| 214 | |
| 215 | return $result; //@phpstan-ignore-line 空フィールドはない |
| 216 | } |
| 217 | |
| 218 | /** |
| 219 | * 逐次データセットに変換。 |
| 220 | * |
| 221 | * @template TFieldArray of FieldArrayAlias |
| 222 | * @param PDOStatement $pdoStatement |
| 223 | * @return DatabaseSequenceResult |
| 224 | * @phpstan-return DatabaseSequenceResult<TFieldArray> |
| 225 | */ |
| 226 | private function convertSequenceResult(PDOStatement $pdoStatement): DatabaseSequenceResult |
| 227 | { |
| 228 | $columns = $this->getColumns($pdoStatement); |
| 229 | |
| 230 | /** @var DatabaseSequenceResult<TFieldArray> */ |
| 231 | $result = new DatabaseSequenceResult($columns, $pdoStatement); |
| 232 | |
| 233 | return $result; |
| 234 | } |
| 235 | |
| 236 | #endregion |
| 237 | |
| 238 | #region DisposerBase |
| 239 | |
| 240 | protected function disposeImpl(): void |
| 241 | { |
| 242 | if ($this->inTransaction()) { |
| 243 | $this->rollback(); |
| 244 | } |
| 245 | |
| 246 | parent::disposeImpl(); |
| 247 | } |
| 248 | |
| 249 | #endregion |
| 250 | |
| 251 | #region IDatabaseTransactionContext |
| 252 | |
| 253 | public function inTransaction(): bool |
| 254 | { |
| 255 | $this->throwIfDisposed(); |
| 256 | |
| 257 | return $this->pdo->inTransaction(); |
| 258 | } |
| 259 | |
| 260 | public function beginTransaction(): void |
| 261 | { |
| 262 | $this->throwIfDisposed(); |
| 263 | |
| 264 | if ($this->inTransaction()) { |
| 265 | throw new TransactionException(); |
| 266 | } |
| 267 | |
| 268 | try { |
| 269 | if (!$this->pdo->beginTransaction()) { |
| 270 | throw new TransactionException($this->getErrorMessage()); |
| 271 | } |
| 272 | } catch (PDOException $ex) { |
| 273 | Throws::reThrow(TransactionException::class, $ex, $this->getErrorMessage()); |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | public function commit(): void |
| 278 | { |
| 279 | $this->throwIfDisposed(); |
| 280 | |
| 281 | if (!$this->inTransaction()) { |
| 282 | throw new TransactionException(); |
| 283 | } |
| 284 | |
| 285 | try { |
| 286 | if (!$this->pdo->commit()) { |
| 287 | throw new TransactionException($this->getErrorMessage()); |
| 288 | } |
| 289 | } catch (PDOException $ex) { |
| 290 | Throws::reThrow(TransactionException::class, $ex, $this->getErrorMessage()); |
| 291 | } |
| 292 | } |
| 293 | |
| 294 | public function rollback(): void |
| 295 | { |
| 296 | if (!$this->inTransaction()) { |
| 297 | throw new TransactionException(); |
| 298 | } |
| 299 | |
| 300 | try { |
| 301 | if (!$this->pdo->rollBack()) { |
| 302 | throw new TransactionException($this->getErrorMessage()); |
| 303 | } |
| 304 | } catch (PDOException $ex) { |
| 305 | Throws::reThrow(TransactionException::class, $ex, $this->getErrorMessage()); |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | public function transaction(callable $callback): bool |
| 310 | { |
| 311 | try { |
| 312 | $this->beginTransaction(); |
| 313 | |
| 314 | $result = $callback($this); |
| 315 | if ($result) { |
| 316 | $this->commit(); |
| 317 | return true; |
| 318 | } else { |
| 319 | $this->rollback(); |
| 320 | } |
| 321 | } catch (Throwable $ex) { |
| 322 | $this->logger->error($ex); |
| 323 | $this->rollback(); |
| 324 | Throws::reThrow(DatabaseException::class, $ex); |
| 325 | } |
| 326 | |
| 327 | return false; |
| 328 | } |
| 329 | |
| 330 | public function escapeLike(string $value): string |
| 331 | { |
| 332 | return Text::replace( |
| 333 | $value, |
| 334 | ["\\", '%', '_'], |
| 335 | ["\\\\", '\\%', '\\_'], |
| 336 | ); |
| 337 | } |
| 338 | |
| 339 | public function escapeValue(mixed $value): string |
| 340 | { |
| 341 | if ($value === null) { |
| 342 | return 'null'; |
| 343 | } |
| 344 | |
| 345 | return $this->pdo->quote($value); |
| 346 | } |
| 347 | |
| 348 | /** |
| 349 | * @template TFieldArray of FieldArrayAlias |
| 350 | * @phpstan-return DatabaseSequenceResult<TFieldArray> |
| 351 | */ |
| 352 | public function fetch(string $statement, ?array $parameters = null): DatabaseSequenceResult |
| 353 | { |
| 354 | $query = $this->executeStatement($statement, $parameters); |
| 355 | |
| 356 | /** @phpstan-var DatabaseSequenceResult<TFieldArray> */ |
| 357 | $result = $this->convertSequenceResult($query); |
| 358 | |
| 359 | return $result; |
| 360 | } |
| 361 | |
| 362 | /** |
| 363 | * @template TFieldArray of FieldArrayAlias |
| 364 | * @phpstan-return DatabaseTableResult<TFieldArray> |
| 365 | */ |
| 366 | public function query(string $statement, ?array $parameters = null): DatabaseTableResult |
| 367 | { |
| 368 | $query = $this->executeStatement($statement, $parameters); |
| 369 | |
| 370 | /** @phpstan-var DatabaseTableResult<TFieldArray> */ |
| 371 | $result = $this->convertTableResult($query); |
| 372 | |
| 373 | return $result; |
| 374 | } |
| 375 | |
| 376 | /** |
| 377 | * @template TFieldArray of FieldArrayAlias |
| 378 | * @phpstan-return DatabaseRowResult<TFieldArray> |
| 379 | */ |
| 380 | public function queryFirst(string $statement, ?array $parameters = null): DatabaseRowResult |
| 381 | { |
| 382 | $query = $this->executeStatement($statement, $parameters); |
| 383 | |
| 384 | /** @phpstan-var DatabaseRowResult<TFieldArray> */ |
| 385 | $result = $this->convertRowResult($query); |
| 386 | if (Arr::isNullOrEmpty($result->fields)) { |
| 387 | throw new DatabaseException($this->getErrorMessage()); |
| 388 | } |
| 389 | |
| 390 | return $result; |
| 391 | } |
| 392 | |
| 393 | /** |
| 394 | * @template TFieldArray of FieldArrayAlias |
| 395 | * @phpstan-return DatabaseRowResult<TFieldArray> |
| 396 | */ |
| 397 | public function queryFirstOrNull(string $statement, ?array $parameters = null): ?DatabaseRowResult |
| 398 | { |
| 399 | $query = $this->executeStatement($statement, $parameters); |
| 400 | |
| 401 | /** @phpstan-var DatabaseRowResult<TFieldArray> */ |
| 402 | $result = $this->convertRowResult($query); |
| 403 | if (Arr::isNullOrEmpty($result->fields)) { |
| 404 | return null; |
| 405 | } |
| 406 | |
| 407 | return $result; |
| 408 | } |
| 409 | |
| 410 | /** |
| 411 | * @template TFieldArray of FieldArrayAlias |
| 412 | * @phpstan-return DatabaseRowResult<TFieldArray> |
| 413 | */ |
| 414 | public function querySingle(string $statement, ?array $parameters = null): DatabaseRowResult |
| 415 | { |
| 416 | $query = $this->executeStatement($statement, $parameters); |
| 417 | |
| 418 | /** @phpstan-var DatabaseRowResult<TFieldArray> */ |
| 419 | $result = $this->convertRowResult($query); |
| 420 | if (Arr::isNullOrEmpty($result->fields)) { |
| 421 | throw new DatabaseException($this->getErrorMessage()); |
| 422 | } |
| 423 | |
| 424 | $next = $query->fetch(); |
| 425 | if ($next !== false) { |
| 426 | throw new DatabaseException($this->getErrorMessage()); |
| 427 | } |
| 428 | |
| 429 | return $result; |
| 430 | } |
| 431 | |
| 432 | /** |
| 433 | * @template TFieldArray of FieldArrayAlias |
| 434 | * @phpstan-return DatabaseRowResult<TFieldArray> |
| 435 | */ |
| 436 | public function querySingleOrNull(string $statement, ?array $parameters = null): ?DatabaseRowResult |
| 437 | { |
| 438 | $query = $this->executeStatement($statement, $parameters); |
| 439 | |
| 440 | /** @phpstan-var DatabaseRowResult<TFieldArray> */ |
| 441 | $result = $this->convertRowResult($query); |
| 442 | if (Arr::isNullOrEmpty($result->fields)) { |
| 443 | return null; |
| 444 | } |
| 445 | |
| 446 | $next = $query->fetch(); |
| 447 | if ($next !== false) { |
| 448 | return null; |
| 449 | } |
| 450 | |
| 451 | return $result; |
| 452 | } |
| 453 | |
| 454 | /** |
| 455 | * ソートを強制。 |
| 456 | * |
| 457 | * 単純な文字列処理のため無理な時は無理。 |
| 458 | * |
| 459 | * @param string $statement |
| 460 | * @return void |
| 461 | */ |
| 462 | protected function throwIfInvalidOrdered(string $statement): void |
| 463 | { |
| 464 | if (!$this->regex->isMatch($statement, '/\\border\\s+by\\b/i')) { |
| 465 | throw new SqlException('order by'); |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | /** |
| 470 | * @template TFieldArray of FieldArrayAlias |
| 471 | * @phpstan-return DatabaseTableResult<TFieldArray> |
| 472 | */ |
| 473 | public function selectOrdered(string $statement, ?array $parameters = null): DatabaseTableResult |
| 474 | { |
| 475 | $this->throwIfInvalidOrdered($statement); |
| 476 | |
| 477 | /** @phpstan-var DatabaseTableResult<TFieldArray> */ |
| 478 | $result = $this->query($statement, $parameters); |
| 479 | |
| 480 | return $result; |
| 481 | } |
| 482 | |
| 483 | /** |
| 484 | * 単独件数取得を強制。 |
| 485 | * |
| 486 | * 単純な文字列処理のため無理な時は無理。 |
| 487 | * |
| 488 | * @param string $statement |
| 489 | * @return void |
| 490 | */ |
| 491 | protected function throwIfInvalidSingleCount(string $statement): void |
| 492 | { |
| 493 | if (!$this->regex->isMatch($statement, '/\\bselect\\s+count\\s*\\(/i')) { |
| 494 | throw new SqlException('select count'); |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | public function selectSingleCount(string $statement, ?array $parameters = null): int |
| 499 | { |
| 500 | $this->throwIfInvalidSingleCount($statement); |
| 501 | |
| 502 | /** @-var array<string,mixed> */ |
| 503 | $result = $this->queryFirst($statement, $parameters); |
| 504 | $val = strval(current($result->fields)); |
| 505 | if (TypeUtility::tryParseInteger($val, $count)) { |
| 506 | /** @var non-negative-int */ |
| 507 | return $count; |
| 508 | } |
| 509 | |
| 510 | throw new DatabaseException(); |
| 511 | } |
| 512 | |
| 513 | /** |
| 514 | * @template TFieldArray of FieldArrayAlias |
| 515 | * @phpstan-return DatabaseTableResult<TFieldArray> |
| 516 | */ |
| 517 | public function execute(string $statement, ?array $parameters = null): DatabaseTableResult |
| 518 | { |
| 519 | $query = $this->executeStatement($statement, $parameters); |
| 520 | |
| 521 | /** @phpstan-var DatabaseTableResult<TFieldArray> */ |
| 522 | $result = $this->convertTableResult($query); |
| 523 | |
| 524 | return $result; |
| 525 | } |
| 526 | |
| 527 | /** |
| 528 | * INSERT文を強制。 |
| 529 | * |
| 530 | * 単純な文字列処理のため無理な時は無理。 |
| 531 | * |
| 532 | * @param string $statement |
| 533 | * @return void |
| 534 | */ |
| 535 | protected function throwIfInvalidInsert(string $statement): void |
| 536 | { |
| 537 | if (!$this->regex->isMatch($statement, '/\\binsert\\b/i')) { |
| 538 | throw new SqlException('insert'); |
| 539 | } |
| 540 | } |
| 541 | |
| 542 | public function insert(string $statement, ?array $parameters = null): int |
| 543 | { |
| 544 | $this->throwIfInvalidInsert($statement); |
| 545 | return $this->execute($statement, $parameters)->getResultCount(); |
| 546 | } |
| 547 | |
| 548 | public function insertSingle(string $statement, ?array $parameters = null): void |
| 549 | { |
| 550 | $this->throwIfInvalidInsert($statement); |
| 551 | $result = $this->execute($statement, $parameters); |
| 552 | if ($result->getResultCount() !== 1) { |
| 553 | throw new DatabaseException(); |
| 554 | } |
| 555 | } |
| 556 | |
| 557 | /** |
| 558 | * UPDATE文を強制。 |
| 559 | * |
| 560 | * 単純な文字列処理のため無理な時は無理。 |
| 561 | * |
| 562 | * @param string $statement |
| 563 | * @return void |
| 564 | */ |
| 565 | protected function throwIfInvalidUpdate(string $statement): void |
| 566 | { |
| 567 | if (!$this->regex->isMatch($statement, '/\\bupdate\\b/i')) { |
| 568 | throw new SqlException('update'); |
| 569 | } |
| 570 | } |
| 571 | |
| 572 | public function update(string $statement, ?array $parameters = null): int |
| 573 | { |
| 574 | $this->throwIfInvalidUpdate($statement); |
| 575 | return $this->execute($statement, $parameters)->getResultCount(); |
| 576 | } |
| 577 | |
| 578 | public function updateByKey(string $statement, ?array $parameters = null): void |
| 579 | { |
| 580 | $this->throwIfInvalidUpdate($statement); |
| 581 | $result = $this->execute($statement, $parameters); |
| 582 | if ($result->getResultCount() !== 1) { |
| 583 | throw new DatabaseException(); |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | public function updateByKeyOrNothing(string $statement, ?array $parameters = null): bool |
| 588 | { |
| 589 | $this->throwIfInvalidUpdate($statement); |
| 590 | $result = $this->execute($statement, $parameters); |
| 591 | if (1 < $result->getResultCount()) { |
| 592 | throw new DatabaseException(); |
| 593 | } |
| 594 | |
| 595 | return $result->getResultCount() === 1; |
| 596 | } |
| 597 | |
| 598 | /** |
| 599 | * DELETE文を強制。 |
| 600 | * |
| 601 | * 単純な文字列処理のため無理な時は無理。 |
| 602 | * |
| 603 | * @param string $statement |
| 604 | * @return void |
| 605 | */ |
| 606 | protected function throwIfInvalidDelete(string $statement): void |
| 607 | { |
| 608 | if (!$this->regex->isMatch($statement, '/\\bdelete\\b/i')) { |
| 609 | throw new SqlException('delete'); |
| 610 | } |
| 611 | } |
| 612 | |
| 613 | public function delete(string $statement, ?array $parameters = null): int |
| 614 | { |
| 615 | $this->throwIfInvalidDelete($statement); |
| 616 | return $this->execute($statement, $parameters)->getResultCount(); |
| 617 | } |
| 618 | |
| 619 | public function deleteByKey(string $statement, ?array $parameters = null): void |
| 620 | { |
| 621 | $this->throwIfInvalidDelete($statement); |
| 622 | $result = $this->execute($statement, $parameters); |
| 623 | if ($result->getResultCount() !== 1) { |
| 624 | throw new DatabaseException(); |
| 625 | } |
| 626 | } |
| 627 | |
| 628 | public function deleteByKeyOrNothing(string $statement, ?array $parameters = null): bool |
| 629 | { |
| 630 | $this->throwIfInvalidDelete($statement); |
| 631 | $result = $this->execute($statement, $parameters); |
| 632 | if (1 < $result->getResultCount()) { |
| 633 | throw new DatabaseException(); |
| 634 | } |
| 635 | |
| 636 | return $result->getResultCount() === 1; |
| 637 | } |
| 638 | |
| 639 | #endregion |
| 640 | } |