CREATE TABLE IF NOT EXISTS facebook_cache (
    fb_type VARCHAR(64) NOT NULL, -- Facebook data type (uid, nid, etc.) cached
    fb_key VARCHAR(64) NOT NULL, -- Facebook data key
    value_str VARCHAR(512), -- cached string value
    value_num BIGINT, -- cached numerical value
    stamp DATETIME NOT NULL, -- cache entry creation time stamp
    PRIMARY KEY pk_facebook_cache (fb_type, fb_key),
    INDEX ik_facebook_cache_1 (stamp)
) ENGINE=MyISAM;