public static function Cleaner::cleanerMysqlOptimizing in Cleaner 7

MySQL tables optimizing handler.

Parameters

int $opt: Operation flag.

2 calls to Cleaner::cleanerMysqlOptimizing()

cleaner_cleaner_run in ./cleaner.module

Implements hook_cleaner_run().

hook_cleaner_run in ./cleaner.api.php

Cleaner execution hook.

File

./class.Cleaner.php, line 191

Cleaner base class file.

Class

Cleaner

Class Cleaner.

Code

public static function cleanerMysqlOptimizing($opt = 0) {
  $db_type = db_driver();

  // Make sure the db type hasn't changed.
  if ($db_type == 'mysql') {

    // Gathering tables list.
    $list = array();
    foreach (db_query("SHOW TABLE STATUS") as $table) {
      if ($table->Data_free) {
        $list[] = $table->Name;
      }
    }
    if (!empty($list)) {

      // Run optimization timer.
      timer_start('cleaner_db_optimization');

      // Execute optimize query.
      $query = 'OPTIMIZE ' . ($opt == 2 ? 'LOCAL ' : '');
      $query .= 'TABLE {' . implode('}, {', $list) . '}';
      db_query($query);

      // Write a log about successful optimization into the watchdog.
      self::cleanerLog('Optimized tables: !opts. This required !time seconds.', array(
        '!opts' => implode(', ', $list),
        '!time' => number_format(timer_read('cleaner_db_optimization') / 1000, 3),
      ));
    }
    else {

      // Write a log about thing that optimization process is
      // no tables which can to be optimized.
      self::cleanerLog('There is no tables which can to be optimized.', array(), WATCHDOG_NOTICE);
    }
  }
  else {

    // Write a log about thing that optimization process isn't allowed
    // for non-MySQL databases into the watchdog.
    self::cleanerLog('Database type (!type) not allowed to be optimized.', array(
      '!type' => $db_type,
    ), WATCHDOG_ERROR);
  }
}