/**
* Returns structure of all tables right after installation.
* @static
* @return array $table=>$records
*/
public static function get_tablestructure()
{
global $CFG;
if (!file_exists("{$CFG->dataroot}/phpunit/tablestructure.ser")) {
// not initialised yet
return array();
}
if (!isset(self::$tablestructure)) {
$data = file_get_contents("{$CFG->dataroot}/phpunit/tablestructure.ser");
self::$tablestructure = unserialize($data);
}
if (!is_array(self::$tablestructure)) {
phpunit_bootstrap_error(1, 'Can not read dataroot/phpunit/tablestructure.ser or invalid format, reinitialize test database.');
}
return self::$tablestructure;
}