Alvaro Herrera <[EMAIL PROTECTED]> writes:
> Tom Lane wrote:
>> Yeah, we had better investigate some way to clean them up.  It was never
>> obvious before that it mattered to get rid of orphan temp tables, but I
>> guess it does.

> Would it be enough to delete the tuple from pg_class?

No, you need a full DROP.  I don't see that that's harder than removing
only the pg_class tuple --- the problem in either case is to be sure
it's OK.  In particular, how to avoid a race condition against an
incoming backend that adopts that BackendId?  Worst-case, you could be
deleting a temp table he just made.

                        regards, tom lane

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