本文整理汇总了PHP中SilverStripe\ORM\DB::field_list方法的典型用法代码示例。如果您正苦于以下问题：PHP DB::field_list方法的具体用法？PHP DB::field_list怎么用？PHP DB::field_list使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SilverStripe\ORM\DB的用法示例。
在下文中一共展示了DB::field_list方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: database_is_ready
/**
* Checks the database is in a state to perform security checks.
* See {@link DatabaseAdmin->init()} for more information.
*
* @return bool
*/
public static function database_is_ready()
{
// Used for unit tests
if (self::$force_database_is_ready !== null) {
return self::$force_database_is_ready;
}
if (self::$database_is_ready) {
return self::$database_is_ready;
}
$requiredClasses = ClassInfo::dataClassesFor('SilverStripe\\Security\\Member');
$requiredClasses[] = 'SilverStripe\\Security\\Group';
$requiredClasses[] = 'SilverStripe\\Security\\Permission';
foreach ($requiredClasses as $class) {
// Skip test classes, as not all test classes are scaffolded at once
if (is_subclass_of($class, 'TestOnly')) {
continue;
}
// if any of the tables aren't created in the database
$table = DataObject::getSchema()->tableName($class);
if (!ClassInfo::hasTable($table)) {
return false;
}
// HACK: DataExtensions aren't applied until a class is instantiated for
// the first time, so create an instance here.
singleton($class);
// if any of the tables don't have all fields mapped as table columns
$dbFields = DB::field_list($table);
if (!$dbFields) {
return false;
}
$objFields = DataObject::database_fields($class);
$missingFields = array_diff_key($objFields, $dbFields);
if ($missingFields) {
return false;
}
}
self::$database_is_ready = true;
return true;
}