INSERT INTO version (table_name, table_version) values ('htable','2');
CREATE TABLE htable (
    id INT(10) UNSIGNED AUTO_INCREMENT PRIMARY KEY NOT NULL,
    key_name VARCHAR(64) DEFAULT '' NOT NULL,
    key_type INT DEFAULT 0 NOT NULL,
    value_type INT DEFAULT 0 NOT NULL,
    key_value VARCHAR(128) DEFAULT '' NOT NULL,
    expires INT DEFAULT 0 NOT NULL
);