Marek Florianczyk <franki(at)tpi(dot)pl> writes:
> Maybe reconnect is to often, but how to explain that reular queries like
> select * from table1 ale much faster than \d's ? ( my post to Jeff )
[ further experimentation... ] Ah-hah, I see the problem in 7.3, though
not in 7.4 which is what I was testing to begin with. 7.4 is smarter
about optimizing the LEFT JOINs that are used in \d's queries.
regards, tom lane