Re: difference in query plan when db is restored

"John Watts" <jwatts@promotion-update.com> writes:
> I have a database query which executes normal (under 1s) with 21 steps
> according to the query paln. However, when the database is dumped and
> restored on the _same_ PostgreSQL server, the query plan takes 34 steps
> to complete and it executes in excess of 90 seconds!

Usually you need to ANALYZE after restoring from a dump ...

            regards, tom lane