`volume` mediumtext,
`number` mediumtext,
`itemtype` varchar(10) default NULL, -- biblio level item type (MARC21 942$c)
- `isbn` varchar(30) default NULL, -- ISBN (MARC21 020$a)
- `issn` varchar(9) default NULL, -- ISSN (MARC21 022$a)
+ `isbn` mediumtext default NULL, -- ISBN (MARC21 020$a)
+ `issn` mediumtext default NULL, -- ISSN (MARC21 022$a)
`ean` varchar(13) default NULL,
`publicationyear` text,
`publishercode` varchar(255) default NULL, -- publisher (MARC21 260$b)
KEY `bibinoidx` (`biblioitemnumber`),
KEY `bibnoidx` (`biblionumber`),
KEY `itemtype_idx` (`itemtype`),
- KEY `isbn` (`isbn`),
+ KEY `isbn` (`isbn`(255)),
KEY `publishercode` (`publishercode`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;