public static function prepare() { return Post::prepareQuery(1)->join(PostPropertyRel::getTableName(), Post::getField('id'), '=', PostPropertyRel::getField('post_id'))->join(PostProperty::getTableName(), PostProperty::getField('id'), '=', PostPropertyRel::getField('post_property_id'))->orderBy(Post::getField('ord_num'), 'asc'); }