Re: BUG #10123: Weird entries in pg_stat_activity

maxim.boguk@gmail.com writes:
> During debug of the weird nagios database alerts about long transactions I
> found that sometime pg_stat_activity contains very weird entries with
> xact_start NOT NULL and state='idle'...
> ...
> What's more: i tested that problem on another databases - and found they
> have same effect (so it doesn't look like a problem local to that single
> exact database).

So can you provide a self-contained test case for this?  I tried to
reproduce it here without much success, and I don't see a code path
other than PREPARE TRANSACTION that could lead to this.

            regards, tom lane