ALTER TABLE {$NAMESPACE}_legalpad.legalpad_document
ADD recentContributorPHIDs LONGTEXT NOT NULL COLLATE utf8_bin AFTER phid,
ADD contributorCount INT UNSIGNED NOT NULL DEFAULT 0 AFTER phid,
ADD title VARCHAR(255) NOT NULL COLLATE utf8_general_ci AFTER phid;
ALTER TABLE {$NAMESPACE}_legalpad.legalpad_document
DROP KEY key_creator,
ADD KEY key_creator (creatorPHID, dateModified);