Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Tom Lane wrote:
>> Well, we haven't even *got* a proposed patch yet, but yeah we should
>> tread carefully.
> OK. What releases had this slow restore problem?
We introduced it in 7.3 --- before that, FKs were simply dumped as
"create trigger" commands, and there was no check overhead. So arguably
it is a bug; a performance bug maybe, but that's still a bug. No one
has yet gone through a dump/reload cycle in which they had to face this
penalty.
regards, tom lane