| CREATE TABLE session_data (
  session_id varchar(128) NOT NULL default "",
  hash varchar(128) NOT NULL default "",
  session_data blob NOT NULL,
  session_expire int(11) NOT NULL default "0",
  PRIMARY KEY session_id (`session_id`),
  KEY hash (`hash`),
  KEY session_expire (`session_expire`),
  KEY select_helper_index (`session_id`, `hash`, `session_expire`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 ROW_FORMAT=DYNAMIC;
 |