CREATE TABLE IF NOT EXISTS directory_settings (
  id TINYINT PRIMARY KEY,
  config_id CHAR(64) CHARACTER SET ascii COLLATE ascii_bin NOT NULL,
  enabled BOOLEAN NOT NULL,
  issuer VARCHAR(512) NOT NULL,
  encrypted_config MEDIUMTEXT NOT NULL,
  updated_by CHAR(36) CHARACTER SET ascii COLLATE ascii_bin NOT NULL,
  updated_at VARCHAR(24) NOT NULL
);
ALTER TABLE app_users ADD COLUMN IF NOT EXISTS directory_display_name VARCHAR(80) NULL;
ALTER TABLE app_users ADD COLUMN IF NOT EXISTS directory_config_id CHAR(64) CHARACTER SET ascii COLLATE ascii_bin NULL;