DROP TABLE session;
CREATE TABLE session (
  sess_id varchar(128) NOT NULL PRIMARY KEY,
  created datetime NOT NULL default '0000-00-00 00:00:00',
  changed datetime NOT NULL default '0000-00-00 00:00:00',
  ip varchar(40) NOT NULL default '',
  vars text NOT NULL
);

DROP TABLE `cache`;
DROP TABLE `cache_shared`;

CREATE TABLE cache (
  user_id integer NOT NULL default 0,
  cache_key varchar(128) NOT NULL default '',
  created datetime NOT NULL default '0000-00-00 00:00:00',
  expires datetime DEFAULT NULL,
  data text NOT NULL
);

CREATE INDEX ix_cache_user_cache_key ON cache(user_id, cache_key);
CREATE INDEX ix_cache_expires ON cache(expires);

CREATE TABLE cache_shared (
  cache_key varchar(255) NOT NULL,
  created datetime NOT NULL default '0000-00-00 00:00:00',
  expires datetime DEFAULT NULL,
  data text NOT NULL
);

CREATE INDEX ix_cache_shared_cache_key ON cache_shared(cache_key);
CREATE INDEX ix_cache_shared_expires ON cache_shared(expires);
