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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Uninstall code.
  19   *
  20   * @package    search_simpledb
  21   * @copyright  2016 Dan Poltawski <dan@moodle.com>
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  defined('MOODLE_INTERNAL') || die;
  26  
  27  /**
  28   * Plugin uninstall code.
  29   *
  30   * @package    search_simpledb
  31   * @copyright  2016 Dan Poltawski <dan@moodle.com>
  32   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  33   */
  34  function xmldb_search_simpledb_uninstall() {
  35      global $DB;
  36  
  37      switch ($DB->get_dbfamily()) {
  38          case 'postgres':
  39              $DB->execute("DROP INDEX {search_simpledb_title}");
  40              $DB->execute("DROP INDEX {search_simpledb_content}");
  41              $DB->execute("DROP INDEX {search_simpledb_description1}");
  42              $DB->execute("DROP INDEX {search_simpledb_description2}");
  43              break;
  44          case 'mysql':
  45              if ($DB->is_fulltext_search_supported()) {
  46                  $DB->execute("ALTER TABLE {search_simpledb_index} DROP INDEX {search_simpledb_index_index}");
  47              }
  48              break;
  49          case 'mssql':
  50              if ($DB->is_fulltext_search_supported()) {
  51                  $DB->execute("DROP FULLTEXT CATALOG {search_simpledb_catalog}");
  52              }
  53              break;
  54      }
  55  }
  56