<?php if(sql_num_query("DESCRIBE `ShiftEntry` `id`") === 0) { sql_query("ALTER TABLE `ShiftEntry` ADD `id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY FIRST"); $applied = true; } _add_index("ShiftEntry", array("SID")); _add_index("ShiftEntry", array("TID")); _add_index("ShiftEntry", array("UID")); ?>