Table contenant la liste des utilisateurs qui ont posté un topic (utilisé notamment sur la page viewforum).
CREATE TABLE phpbb_topics_posted (
user_id mediumint(8) UNSIGNED DEFAULT '0' NOT NULL,
topic_id mediumint(8) UNSIGNED DEFAULT '0' NOT NULL,
topic_posted tinyint(1) UNSIGNED DEFAULT '0' NOT NULL,
PRIMARY KEY (user_id, topic_id)
) CHARACTER SET `utf8` COLLATE `utf8_bin`;
INSERT INTO phpbb_topics_posted (user_id, topic_id, topic_posted) VALUES (2, 1, 1);