AdapterMySQL.php 1.5 KB

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  1. <?php
  2. /**
  3. * @copyright Copyright (c) 2016, ownCloud, Inc.
  4. *
  5. * @author Joas Schilling <coding@schilljs.com>
  6. * @author Robin Appelman <robin@icewind.nl>
  7. *
  8. * @license AGPL-3.0
  9. *
  10. * This code is free software: you can redistribute it and/or modify
  11. * it under the terms of the GNU Affero General Public License, version 3,
  12. * as published by the Free Software Foundation.
  13. *
  14. * This program is distributed in the hope that it will be useful,
  15. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17. * GNU Affero General Public License for more details.
  18. *
  19. * You should have received a copy of the GNU Affero General Public License, version 3,
  20. * along with this program. If not, see <http://www.gnu.org/licenses/>
  21. *
  22. */
  23. namespace OC\DB;
  24. class AdapterMySQL extends Adapter {
  25. /** @var string */
  26. protected $collation;
  27. /**
  28. * @param string $tableName
  29. */
  30. public function lockTable($tableName) {
  31. $this->conn->executeUpdate('LOCK TABLES `' .$tableName . '` WRITE');
  32. }
  33. public function unlockTable() {
  34. $this->conn->executeUpdate('UNLOCK TABLES');
  35. }
  36. public function fixupStatement($statement) {
  37. $statement = str_replace(' ILIKE ', ' COLLATE ' . $this->getCollation() . ' LIKE ', $statement);
  38. return $statement;
  39. }
  40. protected function getCollation(): string {
  41. if (!$this->collation) {
  42. $params = $this->conn->getParams();
  43. $this->collation = $params['collation'] ?? (($params['charset'] ?? 'utf8') . '_general_ci');
  44. }
  45. return $this->collation;
  46. }
  47. }