.htaccess
1 year ago
ArrayData.php
1 year ago
DBObject.php
1 year ago
Engine.php
1 year ago
Mysqldump.php
3 days ago
ReflectionObject.php
1 year ago
SleekStore.php
1 year ago
SqlStatementParser.php
3 days ago
index.html
1 year ago
web.config
1 year ago
Mysqldump.php
515 lines
| 1 | <?php |
| 2 | |
| 3 | namespace JetBackup\Data; |
| 4 | |
| 5 | use Exception; |
| 6 | use JetBackup\Factory; |
| 7 | use JetBackup\Filesystem\AtomicWrite; |
| 8 | use JetBackup\Log\LogController; |
| 9 | use Mysqldump\Mysqldump as MysqldumpAlias; |
| 10 | use PDO; |
| 11 | use PDOException; |
| 12 | |
| 13 | if (!defined( '__JETBACKUP__')) die('Direct access is not allowed'); |
| 14 | |
| 15 | class Mysqldump extends MysqldumpAlias { |
| 16 | |
| 17 | private ArrayData $_data; |
| 18 | private LogController $_logController; |
| 19 | |
| 20 | const QUERY_MAX_RETRIES = 10; |
| 21 | const SQLSTATE_ERRORS = ['08S01', '08001', '40001', 'HY000']; |
| 22 | |
| 23 | /*** |
| 24 | * These SQLSTATE errors indicate connection failures and trigger a retry. |
| 25 | * - '08S01' → Communication link failure (e.g., network disconnect, timeout, or dropped connection) |
| 26 | * - '08001' → Client unable to establish a connection (e.g., incorrect credentials, DNS issues) |
| 27 | * - '40001' → Transaction deadlock detected (e.g., deadlock errors requiring retry) |
| 28 | * - 'HY000' → General MySQL error (covers various issues, including MySQL server disconnects) |
| 29 | */ |
| 30 | |
| 31 | /** |
| 32 | * @throws Exception |
| 33 | */ |
| 34 | public function __construct($db_name, $db_user, $db_password, $db_host) { |
| 35 | |
| 36 | $this->_data = new ArrayData(); |
| 37 | |
| 38 | $this->_setDBName($db_name); |
| 39 | $this->_setDBPassword($db_password); |
| 40 | $this->_setDBUser($db_user); |
| 41 | $this->_setDBHost($db_host); |
| 42 | |
| 43 | parent::__construct( |
| 44 | 'mysql:host='.$this->getDBHost().';port='.$this->getDBPort().';dbname='.$this->getDBName(), |
| 45 | $this->getDBUser(), |
| 46 | $this->getDBPassword(), |
| 47 | [ |
| 48 | 'compress' => MysqldumpAlias::NONE, |
| 49 | 'add-drop-table' => true, |
| 50 | 'if-not-exists' => true, |
| 51 | 'reset-auto-increment' => true, |
| 52 | 'complete-insert' => true, |
| 53 | 'default-character-set' => MysqldumpAlias::UTF8MB4, |
| 54 | 'extended-insert' => false, |
| 55 | 'insert-ignore' => true, |
| 56 | 'lock-tables' => false, |
| 57 | 'init_commands' => [ |
| 58 | // Snapshot current mode safely (NULL-safe) |
| 59 | "SET @jb_sql_mode := IFNULL(@@SESSION.sql_mode, '');", |
| 60 | |
| 61 | // Remove modes that commonly break dumps |
| 62 | "SET SESSION sql_mode = TRIM(BOTH ',' FROM |
| 63 | REPLACE( |
| 64 | REPLACE( |
| 65 | REPLACE( |
| 66 | REPLACE( |
| 67 | REPLACE( |
| 68 | CONCAT(',', @jb_sql_mode, ','), |
| 69 | ',ONLY_FULL_GROUP_BY,', ',' |
| 70 | ), |
| 71 | ',STRICT_TRANS_TABLES,', ',' |
| 72 | ), |
| 73 | ',STRICT_ALL_TABLES,', ',' |
| 74 | ), |
| 75 | ',NO_ZERO_DATE,', ',' |
| 76 | ), |
| 77 | ',TRADITIONAL,', ',' |
| 78 | ) |
| 79 | );", |
| 80 | ], |
| 81 | ] |
| 82 | ); |
| 83 | } |
| 84 | |
| 85 | public function setDumpSetting($key, $value): void { $this->dumpSettings[$key] = $value; } |
| 86 | public function getDumpSetting($key, $default = null) { return $this->dumpSettings[$key] ?? $default; } |
| 87 | public function set($key, $value) { $this->_data->set($key, $value); } |
| 88 | public function get($key, $default = '') {return $this->_data->get($key, $default);} |
| 89 | public function setLogController(LogController $log) {$this->_logController = $log;} |
| 90 | |
| 91 | private function getLogController(): LogController { |
| 92 | if (!isset($this->_logController)) $this->_logController = new LogController(); |
| 93 | return $this->_logController; |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Check if the given object is a VIEW in the current database. |
| 98 | * |
| 99 | * @param string $name Table or view name |
| 100 | * @return bool true if it's a VIEW, false otherwise |
| 101 | * @throws Exception on query failure |
| 102 | */ |
| 103 | public function _isView(string $name): bool { |
| 104 | if (!$this->dbHandler) { |
| 105 | $this->connect(); |
| 106 | } |
| 107 | |
| 108 | $sql = "SELECT TABLE_TYPE |
| 109 | FROM INFORMATION_SCHEMA.TABLES |
| 110 | WHERE TABLE_SCHEMA = :db |
| 111 | AND TABLE_NAME = :name |
| 112 | LIMIT 1"; |
| 113 | |
| 114 | $stmt = $this->dbHandler->prepare($sql); |
| 115 | $stmt->execute([ |
| 116 | ':db' => $this->getDBName(), |
| 117 | ':name' => $name |
| 118 | ]); |
| 119 | |
| 120 | $type = $stmt->fetchColumn(); |
| 121 | |
| 122 | return ($type === 'VIEW'); |
| 123 | } |
| 124 | |
| 125 | private function _setDBHost($db_host) { |
| 126 | if (strpos($db_host, ':') !== false) { |
| 127 | $parts = explode(':', $db_host, 2); |
| 128 | $db_host = $parts[0] ?? 'localhost'; |
| 129 | $this->_setDBPort((int) ($parts[1] ?? 3306)); |
| 130 | } |
| 131 | $this->set('db_host', $db_host); |
| 132 | } |
| 133 | |
| 134 | public function getDBHost() { return $this->get('db_host'); } |
| 135 | private function _setDBPort($db_port) { $this->set('db_port', $db_port); } |
| 136 | public function getDBPort() { return $this->get('db_port', Factory::getSettingsGeneral()->getMySQLDefaultPort()); } |
| 137 | private function _setDBName($db_name) { $this->set('db_name', $db_name); } |
| 138 | public function getDBName() { return $this->get('db_name'); } |
| 139 | private function _setDBUser($db_user) { $this->set('db_user', $db_user); } |
| 140 | public function getDBUser() { return $this->get('db_user'); } |
| 141 | private function _setDBPassword($db_password) { $this->set('db_password', $db_password); } |
| 142 | public function getDBPassword() { return $this->get('db_password'); } |
| 143 | |
| 144 | /** |
| 145 | * @throws Exception |
| 146 | */ |
| 147 | public function setInclude(array $include) { |
| 148 | |
| 149 | $name = $include[0] ?? null; |
| 150 | |
| 151 | // reset first |
| 152 | $this->setDumpSetting('include-tables', []); |
| 153 | $this->setDumpSetting('include-views', []); |
| 154 | $this->setDumpSetting('exclude-tables', []); |
| 155 | |
| 156 | if (!$name) return; |
| 157 | |
| 158 | $isView = $this->_isView($name); |
| 159 | |
| 160 | if ($isView) { |
| 161 | $this->setDumpSetting('include-views', [$name]); |
| 162 | $pattern = '/^(?!' . preg_quote($name, '/') . '$).*/'; |
| 163 | $this->setDumpSetting('exclude-tables', [$pattern]); |
| 164 | $this->setDumpSetting('skip-triggers', true); |
| 165 | $this->setDumpSetting('add-drop-table', false); |
| 166 | $this->setDumpSetting('no-create-info', false); |
| 167 | } else { |
| 168 | $this->setDumpSetting('include-tables', [$name]); |
| 169 | $this->setDumpSetting('include-views', [$name]); |
| 170 | $this->setDumpSetting('exclude-tables', []); |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | public function getInclude() { return $this->getDumpSetting('include-tables', []); } |
| 175 | public function setExclude($exclude) { $this->setDumpSetting('no-data', $exclude); } |
| 176 | public function getExclude() { return $this->getDumpSetting('no-data', []); } |
| 177 | |
| 178 | /** |
| 179 | * @param $buffer |
| 180 | * @return mixed|null |
| 181 | * Detect problematic SET commands that might involve '@OLD_' or '@saved_' variables |
| 182 | */ |
| 183 | private function _checkResume($buffer) { |
| 184 | |
| 185 | // Only a real SET statement uses the @OLD_/@saved_ session vars that may not survive the |
| 186 | // import and need skipping. Check the statement's first word, not the whole text, so a value |
| 187 | // like "... SET x=@OLD_FOO ..." inside an INSERT can't make us skip (and lose) that row. |
| 188 | $head = SqlStatementParser::effectiveHead($buffer); |
| 189 | |
| 190 | if (strncasecmp($head, 'SET', 3) === 0 && preg_match('/^SET\b[\s\S]*=\s*@[\w_]+/i', $head)) { |
| 191 | $this->getLogController()->logMessage("Skipping problematic statement: {$buffer}"); |
| 192 | return null; // Skip this query |
| 193 | } |
| 194 | |
| 195 | return $buffer; |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * Override connect method with proper retry mechanism. |
| 200 | * @throws Exception |
| 201 | */ |
| 202 | protected function connect() { |
| 203 | |
| 204 | $attempts = 0; |
| 205 | $waitTime = 500000; // Start with 500ms |
| 206 | |
| 207 | while ($attempts < self::QUERY_MAX_RETRIES) { |
| 208 | try { |
| 209 | $this->getLogController()->logDebug("Attempting to reconnect to MySQL (Attempt #$attempts)"); |
| 210 | |
| 211 | parent::connect(); |
| 212 | |
| 213 | if ($this->dbHandler) { |
| 214 | $this->getLogController()->logDebug("Successfully reconnected to MySQL."); |
| 215 | return; |
| 216 | } |
| 217 | |
| 218 | } catch (Exception $e) { |
| 219 | $this->getLogController()->logMessage("Reconnect attempt #$attempts failed (SQLSTATE: {$e->getCode()}): " . $e->getMessage()); |
| 220 | |
| 221 | if (in_array($e->getCode(), self::SQLSTATE_ERRORS)) { |
| 222 | $this->getLogController()->logMessage("Connection error detected (SQLSTATE: {$e->getCode()}), destroying dbHandler..."); |
| 223 | $this->dbHandler = null; |
| 224 | } |
| 225 | |
| 226 | if ($attempts >= self::QUERY_MAX_RETRIES - 1) { |
| 227 | throw new Exception("MySQL reconnect failed after $attempts attempts: " . $e->getMessage()); |
| 228 | } |
| 229 | |
| 230 | usleep($waitTime); |
| 231 | $waitTime = min($waitTime * 2, 60000000); // max 60s |
| 232 | } |
| 233 | |
| 234 | $attempts++; |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | /** |
| 239 | * Import SQL file with resumable progress tracking. |
| 240 | * |
| 241 | * @throws Exception |
| 242 | */ |
| 243 | public function import($path) { |
| 244 | |
| 245 | try { |
| 246 | |
| 247 | if (!$path || !is_file($path)) throw new Exception("[import] File {$path} does not exist."); |
| 248 | |
| 249 | $_table = basename($path); |
| 250 | $_progress_file = $path . ".progress"; |
| 251 | $_progress_position = file_exists($_progress_file) ? (int) file_get_contents($_progress_file) : 0; |
| 252 | |
| 253 | $handle = fopen($path, 'rb'); |
| 254 | if (!$handle) throw new Exception("Failed reading file {$path}. Check access permissions."); |
| 255 | |
| 256 | if (!$this->dbHandler) $this->connect(); |
| 257 | |
| 258 | // BEFORE ANY CHANGES: |
| 259 | $this->query_exec("SET @jb_prev_sql_mode := @@SESSION.sql_mode;"); |
| 260 | $this->query_exec("SET @jb_prev_fk := @@SESSION.FOREIGN_KEY_CHECKS;"); |
| 261 | $this->query_exec("SET SESSION FOREIGN_KEY_CHECKS=0;"); |
| 262 | |
| 263 | // Add NO_ENGINE_SUBSTITUTION without clobbering others |
| 264 | $this->query_exec(" |
| 265 | SET SESSION sql_mode = TRIM(BOTH ',' FROM |
| 266 | CONCAT_WS(',', |
| 267 | REPLACE(REPLACE(@@SESSION.sql_mode, ',NO_ENGINE_SUBSTITUTION', ''), 'NO_ENGINE_SUBSTITUTION', ''), |
| 268 | 'NO_ENGINE_SUBSTITUTION' |
| 269 | ) |
| 270 | ); |
| 271 | "); |
| 272 | |
| 273 | // Relax strict/only_full_group_by |
| 274 | $this->query_exec(" |
| 275 | SET SESSION sql_mode = TRIM(BOTH ',' FROM |
| 276 | REPLACE(REPLACE(REPLACE( |
| 277 | CONCAT(',', IFNULL(@@SESSION.sql_mode,''), ','), |
| 278 | ',ONLY_FULL_GROUP_BY,', ',' |
| 279 | ), ',STRICT_TRANS_TABLES,', ',' |
| 280 | ), ',STRICT_ALL_TABLES,', ',' |
| 281 | ) |
| 282 | ); |
| 283 | "); |
| 284 | |
| 285 | if ($_progress_position > 0) { |
| 286 | fseek($handle, $_progress_position); |
| 287 | $this->getLogController()->logMessage("Resuming import for {$_table}, Position: {$_progress_position}"); |
| 288 | } else { |
| 289 | $this->getLogController()->logMessage("Starting new import for: {$_table}"); |
| 290 | } |
| 291 | |
| 292 | // The parser splits statements while ignoring quotes and comments, so a ';' (or a |
| 293 | // CREATE/VIEW/DEFINER= word) inside a quoted value is never read as SQL. It also handles |
| 294 | // comment/blank lines, so we don't pre-skip lines by hand anymore. |
| 295 | $parser = new SqlStatementParser(); |
| 296 | |
| 297 | while (!feof($handle)) { |
| 298 | $lineRaw = fgets($handle); |
| 299 | if ($lineRaw === false) break; |
| 300 | |
| 301 | foreach ($parser->feed($lineRaw) as $rawStmt) { |
| 302 | $this->_importStatement($rawStmt); |
| 303 | } |
| 304 | |
| 305 | // Save the resume position only when we're between statements, so a resume always |
| 306 | // starts on a whole statement. |
| 307 | if (!$parser->hasPending()) { |
| 308 | try { |
| 309 | AtomicWrite::write($_progress_file, (string) ftell($handle), $this->getLogController()); |
| 310 | } catch (Exception $e) { |
| 311 | $this->getLogController()->logError("Failed to update progress file: " . $e->getMessage()); |
| 312 | // keep going even if the progress file can't be written |
| 313 | } |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | // A last statement with no ';' at the end (some dumps skip it). |
| 318 | if (($rawStmt = $parser->flush()) !== null) { |
| 319 | $this->_importStatement($rawStmt); |
| 320 | } |
| 321 | |
| 322 | fclose($handle); |
| 323 | $this->getLogController()->logMessage("Finished importing {$_table}"); |
| 324 | |
| 325 | if (is_file($_progress_file)) { |
| 326 | @unlink($_progress_file); |
| 327 | $this->getLogController()->logMessage("Progress file for table removed"); |
| 328 | } |
| 329 | |
| 330 | } catch (Exception $e) { |
| 331 | $this->getLogController()->logMessage("Error: " . $e->getMessage()); |
| 332 | throw new Exception($e->getMessage()); |
| 333 | } finally { |
| 334 | // Best-effort restore of previous mode |
| 335 | try { $this->query_exec("SET SESSION sql_mode = @jb_prev_sql_mode;"); } catch (\Exception $e) {} |
| 336 | try { $this->query_exec("SET SESSION FOREIGN_KEY_CHECKS=@jb_prev_fk;"); } catch (\Exception $e) {} |
| 337 | try { $this->query_exec("SET SESSION sql_mode = @jb_prev_sql_mode;"); } catch (\Exception $e) {} |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * Run one statement from the dump: skip the session-restore SETs, fix up a real CREATE VIEW so it |
| 343 | * restores on another server, then run it. A statement counts as a view only when it truly starts |
| 344 | * with CREATE ... VIEW, so an INSERT that just mentions those words runs as-is. |
| 345 | * |
| 346 | * @throws Exception |
| 347 | */ |
| 348 | private function _importStatement(string $rawStmt): void { |
| 349 | try { |
| 350 | $stmt = $this->_checkResume($rawStmt); |
| 351 | if ($stmt === null) return; |
| 352 | |
| 353 | if (SqlStatementParser::isCreateView($stmt)) { |
| 354 | $stmt = SqlStatementParser::normalizeCreateView($stmt); |
| 355 | } |
| 356 | |
| 357 | $this->query_exec($stmt); |
| 358 | } catch (PDOException $e) { |
| 359 | $this->getLogController()->logMessage("Failed to execute query: {$rawStmt}"); |
| 360 | $this->getLogController()->logMessage("Error: " . $e->getMessage()); |
| 361 | $this->getLogController()->logMessage("SQLSTATE: " . $e->getCode()); |
| 362 | |
| 363 | throw new Exception("Failed to execute query: {$rawStmt}"); |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | /** |
| 368 | * Check if a table exists in the current database. |
| 369 | * |
| 370 | * @param string $name Table name (unquoted) |
| 371 | * @param bool $includeViews If true, treat views as existing "tables" as well |
| 372 | * @return bool |
| 373 | * @throws Exception |
| 374 | */ |
| 375 | public function tableExists(string $name, bool $includeViews = true): bool { |
| 376 | |
| 377 | if ($name === '') return false; |
| 378 | |
| 379 | $attempt = 0; |
| 380 | $waitTime = 500000; // 0.5s |
| 381 | $sql = "SELECT 1 |
| 382 | FROM INFORMATION_SCHEMA.TABLES |
| 383 | WHERE TABLE_SCHEMA = :db |
| 384 | AND TABLE_NAME = :name" . ($includeViews ? "" : " AND TABLE_TYPE = 'BASE TABLE'") . " |
| 385 | LIMIT 1"; |
| 386 | |
| 387 | while ($attempt < self::QUERY_MAX_RETRIES) { |
| 388 | try { |
| 389 | if (!$this->dbHandler) $this->connect(); |
| 390 | |
| 391 | $stmt = $this->dbHandler->prepare($sql); |
| 392 | $stmt->execute([ |
| 393 | ':db' => $this->getDBName(), |
| 394 | ':name' => $name, |
| 395 | ]); |
| 396 | |
| 397 | return (bool) $stmt->fetchColumn(); |
| 398 | |
| 399 | } catch (\PDOException $e) { |
| 400 | $sqlState = (string) $e->getCode(); |
| 401 | |
| 402 | if (in_array($sqlState, self::SQLSTATE_ERRORS, true)) { |
| 403 | $this->getLogController()->logMessage("tableExists(): SQLSTATE {$sqlState}, retrying (attempt #{$attempt})..."); |
| 404 | $this->connect(); |
| 405 | usleep($waitTime); |
| 406 | $waitTime = min($waitTime * 2, 60000000); |
| 407 | $attempt++; |
| 408 | continue; |
| 409 | } |
| 410 | |
| 411 | throw new Exception("Failed checking existence for table '{$name}' [SQLSTATE {$sqlState}]: " . $e->getMessage(), 0, $e); |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | return false; |
| 416 | } |
| 417 | |
| 418 | /** |
| 419 | * Execute a query that returns a result set (e.g., SELECT, SHOW TABLES). |
| 420 | * |
| 421 | * @param string $query The SQL query to execute. |
| 422 | * @param array $params Bound parameters |
| 423 | * |
| 424 | * @return array|null Returns an array of results or null on failure. |
| 425 | * @throws Exception |
| 426 | */ |
| 427 | public function query_exec(string $query, array $params = []): ?array { |
| 428 | $waitTime = 500000; // 0.5s |
| 429 | $attempt = 0; |
| 430 | |
| 431 | $is_dml = (bool) preg_match('/^\s*(INSERT|UPDATE|DELETE|REPLACE)\b/i', $query); |
| 432 | $is_ddl_or_set = (bool) preg_match('/^\s*(CREATE|ALTER|DROP|RENAME|TRUNCATE|GRANT|REVOKE|ANALYZE|OPTIMIZE|REPAIR|SET)\b/i', $query); |
| 433 | |
| 434 | $begin_tx = $is_dml && !$is_ddl_or_set; |
| 435 | |
| 436 | $retryable_sqlstates = ['08S01']; |
| 437 | $retryable_drivercodes = [2006, 2013, 1205, 1213]; |
| 438 | |
| 439 | while ($attempt < self::QUERY_MAX_RETRIES) { |
| 440 | try { |
| 441 | if (!$this->dbHandler) { |
| 442 | $this->getLogController()->logMessage("No database handler, connecting..."); |
| 443 | $this->connect(); |
| 444 | } |
| 445 | |
| 446 | if ($begin_tx) { |
| 447 | if ($this->dbHandler->inTransaction()) { |
| 448 | $this->getLogController()->logMessage("Warning: already in txn, committing previous one."); |
| 449 | try { $this->dbHandler->commit(); } catch (\Throwable $ignore) {} |
| 450 | } |
| 451 | $this->getLogController()->logMessage( |
| 452 | "Starting transaction for: " . (strlen($query) > 90 ? substr($query,0,87) . "..." : $query) |
| 453 | ); |
| 454 | $this->dbHandler->beginTransaction(); |
| 455 | } |
| 456 | |
| 457 | $stmt = $this->dbHandler->prepare($query); |
| 458 | $ok = $stmt->execute($params); |
| 459 | |
| 460 | if ($ok) { |
| 461 | if ($begin_tx && $this->dbHandler->inTransaction()) { |
| 462 | $this->getLogController()->logMessage( |
| 463 | "Committing transaction for: " . (strlen($query) > 90 ? substr($query,0,87) . "..." : $query) |
| 464 | ); |
| 465 | $this->dbHandler->commit(); |
| 466 | } |
| 467 | return $stmt->fetchAll(PDO::FETCH_OBJ); |
| 468 | } |
| 469 | |
| 470 | $this->getLogController()->logMessage("Query execution returned false."); |
| 471 | return null; |
| 472 | |
| 473 | } catch (PDOException $e) { |
| 474 | if ($begin_tx && $this->dbHandler && $this->dbHandler->inTransaction()) { |
| 475 | $this->getLogController()->logMessage("Rolling back transaction due to error."); |
| 476 | try { $this->dbHandler->rollBack(); } catch (\Throwable $ignore) {} |
| 477 | } |
| 478 | |
| 479 | $sqlState = (string) $e->getCode(); |
| 480 | $errInfo = property_exists($e, 'errorInfo') ? (array) $e->errorInfo : []; |
| 481 | $driverCode = $errInfo[1] ?? null; |
| 482 | $driverMsg = $errInfo[2] ?? ''; |
| 483 | $snippet = (strlen($query) > 300) ? substr($query,0,297) . '...' : $query; |
| 484 | |
| 485 | $this->getLogController()->logError( |
| 486 | "[SQL ERROR] SQLSTATE={$sqlState} driverCode=" . var_export($driverCode,true) . |
| 487 | " msg=" . $e->getMessage() . " driverMsg=" . $driverMsg . |
| 488 | " | Query: {$snippet} | Params: " . json_encode($params) |
| 489 | ); |
| 490 | |
| 491 | $retryable = in_array($sqlState, $retryable_sqlstates, true) |
| 492 | || (is_int($driverCode) && in_array($driverCode, $retryable_drivercodes, true)); |
| 493 | |
| 494 | if ($retryable) { |
| 495 | $this->getLogController()->logMessage("Transient DB error; reconnecting and retrying (attempt {$attempt})."); |
| 496 | try { $this->connect(); } catch (\Throwable $ignore) {} |
| 497 | usleep($waitTime); |
| 498 | $waitTime = min($waitTime * 2, 60000000); |
| 499 | $attempt++; |
| 500 | continue; |
| 501 | } |
| 502 | |
| 503 | throw new Exception( |
| 504 | "Query error [SQLSTATE {$sqlState}" . ($driverCode !== null ? "/{$driverCode}" : "") . "]: " . $e->getMessage(), |
| 505 | 0, |
| 506 | $e |
| 507 | ); |
| 508 | } |
| 509 | } |
| 510 | |
| 511 | $this->getLogController()->logError("Max retries reached for query."); |
| 512 | return null; |
| 513 | } |
| 514 | } |
| 515 |