[sqlite] How hard is it to add the constraint name to the 'FOREIGN KEY constraint failed' message?

[Yuri]

On 11/18/2015 00:45, Dominique Devienne wrote:
> True. But that's in the case where FK constraints validation is deferred to
> the transaction end.

Why does SQLite defer constraint violation errors? Is there a benefit?
This only complicates things, I would rather see the statement fail 
immediately.

Yuri