Florian Weimer <Weimer@CERT.Uni-Stuttgart.DE> writes:
> I'm observing weird behavior with CREATE DATABASE/DROP DATABASE and
> PostgreSQL 7.2.1 (on Debian/unstable): There seems to be a short time
> period after the 'Z' response of the backend during which the database
> continues to exist (e.g. subsequent CREATE DATABASE operations with
> the same name fail) or does not exist yet (e.g. it is not possible to
> connect to the database).
> You cannot reproduce this with "psql" or "createdb"/"dropdb".
I'm inclined to think it's a bug in your application coding, then.
psql certainly doesn't go out of its way to serialize operations.
Could we see a self-contained test case?
regards, tom lane