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kovidgoyal · 06-10-2014, 12:25 PM

the calibre database is sqlite, NON NULL is a constraint that will cause sqlite to raise an error if you try to set a null value for a field declared as non null.

06-10-2014, 12:25 PM	#2
kovidgoyal creator of calibre Posts: 45,590 Karma: 28548962 Join Date: Oct 2006 Location: Mumbai, India Device: Various	the calibre database is sqlite, NON NULL is a constraint that will cause sqlite to raise an error if you try to set a null value for a field declared as non null.