-- ----------------------------------------------------- -- Table commentT -- ----------------------------------------------------- DROP TABLE IF EXISTS commentT ; CREATE TABLE IF NOT EXISTS commentT ( id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT, parentCommentId BIGINT UNSIGNED NULL, objectNodeId INT UNSIGNED NOT NULL COMMENT 'object being commented', authorUserId INT UNSIGNED NULL COMMENT 'author id', userName VARCHAR(255) NOT NULL, privateUserId INT UNSIGNED NULL, value TEXT NOT NULL, added TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00', changed TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, PRIMARY KEY (id), INDEX fk_commentT_commentT1_idx (parentCommentId ASC) , INDEX fk_commentT_userT1_idx (authorUserId ASC) , INDEX fk_commentT_nodeT1_idx (objectNodeId ASC) , INDEX fk_commentT_userT2_idx (privateUserId ASC) , CONSTRAINT fk_commentT_commentT1 FOREIGN KEY (parentCommentId) REFERENCES commentT (id) ON DELETE CASCADE ON UPDATE NO ACTION, CONSTRAINT fk_commentT_userT1 FOREIGN KEY (authorUserId) REFERENCES userT (id) ON DELETE SET NULL ON UPDATE CASCADE, CONSTRAINT fk_commentT_nodeT1 FOREIGN KEY (objectNodeId) REFERENCES nodeT (id) ON DELETE CASCADE ON UPDATE CASCADE, CONSTRAINT fk_commentT_userT2 FOREIGN KEY (privateUserId) REFERENCES userT (id) ON DELETE CASCADE ON UPDATE CASCADE) ENGINE = InnoDB;