Re: [HACKERS] Krb5 & multiple DB connections

Stephen Frost <sfrost(at)snowman(dot)net> writes:
>> I have little idea of how expensive the operations called by
>> pg_krb5_init really are. If they are expensive then it'd probably
>> make sense to keep the current static variables but treat 'em as a
>> one-element cache, ie, recompute if a new user name is being demanded.
>> If not, we ought to be able to simplify some things.

> We'd have to recompute based on the KRB5CCNAME environment variable
> changing, which is certainly an option. It's not necessairly the case
> that the username is changing, possibly just the cache.

Hm, apparently I completely misunderstand the problem here. What I
thought the bug was was that the cache wasn't recomputed given an
attempt to connect as a different Postgres username than the first
time. If that's not the issue, then what is?

regards, tom lane