`stocknumber` varchar(32) default NULL,
PRIMARY KEY (`itemnumber`),
UNIQUE KEY `itembarcodeidx` (`barcode`),
- UNIQUE KEY `itemstocknumberidx` (`stocknumber`),
+ KEY `itemstocknumberidx` (`stocknumber`),
KEY `itembinoidx` (`biblioitemnumber`),
KEY `itembibnoidx` (`biblionumber`),
KEY `homebranch` (`homebranch`),