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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   * Native Aurora MySQL class representing moodle database interface.
  19   *
  20   * @package    core_dml
  21   * @copyright  2020 Lafayette College ITS
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  defined('MOODLE_INTERNAL') || die();
  26  
  27  require_once (__DIR__.'/moodle_database.php');
  28  require_once (__DIR__.'/mysqli_native_moodle_database.php');
  29  require_once (__DIR__.'/mysqli_native_moodle_recordset.php');
  30  require_once (__DIR__.'/mysqli_native_moodle_temptables.php');
  31  
  32  /**
  33   * Native Aurora MySQL class representing moodle database interface.
  34   *
  35   * @package    core_dml
  36   * @copyright  2020 Lafayette College ITS
  37   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  38   */
  39  class auroramysql_native_moodle_database extends mysqli_native_moodle_database {
  40  
  41      /** @var bool is compressed row format supported cache */
  42      protected $compressedrowformatsupported = false;
  43  
  44      /**
  45       * Returns localised database type name.
  46       *
  47       * Returns localised database type name. Can be used before connect().
  48       * @return string
  49       */
  50      public function get_name(): ?string {
  51          return get_string('nativeauroramysql', 'install');
  52      }
  53  
  54      /**
  55       * Returns localised database configuration help.
  56       *
  57       * Returns localised database configuration help. Can be used before connect().
  58       * @return string
  59       */
  60      public function get_configuration_help(): ?string {
  61          return get_string('nativeauroramysql', 'install');
  62      }
  63  
  64      /**
  65       * Returns the database vendor.
  66       *
  67       * Returns the database vendor. Can be used before connect().
  68       * @return string The db vendor name, usually the same as db family name.
  69       */
  70      public function get_dbvendor(): ?string {
  71          return 'mysql';
  72      }
  73  
  74      /**
  75       * Returns more specific database driver type
  76       *
  77       * Returns more specific database driver type. Can be used before connect().
  78       * @return string db type mysqli, pgsql, oci, mssql, sqlsrv
  79       */
  80      protected function get_dbtype(): ?string {
  81          return 'auroramysql';
  82      }
  83  
  84      /**
  85       * It is time to require transactions everywhere.
  86       *
  87       * MyISAM is NOT supported!
  88       *
  89       * @return bool
  90       */
  91      protected function transactions_supported(): ?bool {
  92          if ($this->external) {
  93              return parent::transactions_supported();
  94          }
  95          return true;
  96      }
  97  
  98  
  99  }