PHP CustomFields::drop_tables示例

 * requirements.
 *
 * The Original Code is: SugarCRM Open Source
 * The Initial Developer of the Original Code is SugarCRM, Inc.
 * Portions created by SugarCRM are Copyright (C) 2004-2006 SugarCRM, Inc.;
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
 ********************************************************************************/
/*********************************************************************************
 * Description:  Executes a step in the installation process.
 ********************************************************************************/
require_once 'data/Tracker.php';
require_once 'include/utils.php';
require_once 'include/modules.php';
require_once 'modules/CustomFields/CustomFields.php';
// load up the config_override.php file.  This is used to provide default user settings
if (is_file("config_override.php")) {
    require_once "config_override.php";
}
$db = PearDatabase::getInstance();
$focus = new CustomFields();
if ($db->tableExists($focus->table_name)) {
    $focus->drop_tables();
    $focus->create_tables();
    $GLOBALS['log']->info("<li>Table " . $focus->table_name . " already exists.");
    return 0;
} else {
    $focus->create_tables();
    $GLOBALS['log']->info("<li>Created " . $focus->table_name . " table.");
    return 1;
}