CREATE TABLE IF NOT EXISTS `Group` (`group_id` INTEGER PRIMARY KEY AUTOINCREMENT, `group_name` VARCHAR(255), `creator_name` VARCHAR(255), `timestamp` BIGINT,  `type` VARCHAR(32), `parent_group_id` INTEGER);
CREATE TABLE IF NOT EXISTS `GroupUser` (`group_id` INTEGER, `user_name` VARCHAR(255), `is_staff` tinyint);
CREATE UNIQUE INDEX IF NOT EXISTS groupid_username_indx on `GroupUser` (`group_id`, `user_name`);
CREATE INDEX IF NOT EXISTS username_indx on `GroupUser` (`user_name`);
CREATE TABLE IF NOT EXISTS GroupDNPair (group_id INTEGER,  dn VARCHAR(255));
CREATE TABLE IF NOT EXISTS GroupStructure (group_id INTEGER PRIMARY KEY, path VARCHAR(1024));