"Alex Hunsaker" <[EMAIL PROTECTED]> writes:
> On Wed, Mar 12, 2008 at 12:44 AM, Tom Lane <[EMAIL PROTECTED]> wrote:
>> If you say "none of my stuff is changing any schemas", then I'd guess
>> that the triggering event is a background autovacuum, which forces
>> replan just like an intentional schema change would. Does stopping
>> autovacuum make the problem go away?
> Yep turning off autovacuum seems to have fixed it. And once I
> manually vacuum analyze workers; it blows up almost instantly.
Yeah, I was going to suggest that you ought to be able to extract
a test case involving doing a manual vacuum in between prepare and
execute. I suspect it wouldn't even need to involve more than one
session.
regards, tom lane
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