42a: Original import, exact replay, correction, stale replay
Original: EUR 420.00; 20 enquiries
Exact replay: EUR 420.00; 20 enquiries
Correction revision 2: EUR 430.00; 21 enquiries
Stale replay rejected: Older revision would replace newer data
Retained: EUR 430.00; 21 enquiries
Equal-revision conflict rejected: Changed values need a newer revision
42b: Accepted history versus exported view
Before correction, database: EUR 700.00; 35 enquiries
Before correction, report: EUR 700.00; 35 enquiries
Export failure: Simulated report write failure
After failure, database: EUR 710.00; 36 enquiries
After failure, report: EUR 700.00; 35 enquiries
After safe repeat, database: EUR 710.00; 36 enquiries
After safe repeat, report: EUR 710.00; 36 enquiries
Combined cost per enquiry: EUR 19.72
