It would be a colossal waste of time. At 125KSLOC code + 91MSLOC tests, the engineering effort is near-prohibitive. There is no single area where SQLite3 would

It would be a colossal waste of time. At 125KSLOC code + 91MSLOC tests, the engineering effort is near-prohibitive. There is no single area where SQLite3 would be severely lacking. Just look at SQLite4 and say if you care about any of the differences.