Re: PANIC: can't juggle and compress too

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Dror Matalon <dror(at)zapatec(dot)com>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: PANIC: can't juggle and compress too
Date: 2003-10-29 17:39:57
Message-ID: 15424.1067449197@sss.pgh.pa.us
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Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
> Dror Matalon <dror(at)zapatec(dot)com> writes:
>> Oct 28 01:04:50 ... postgres[7572]: [52227-1] PANIC: can't juggle and compress too

>> What does the error message mean?

> It's an unimplemented case in FSM memory management. I thought that
> it was a can't-happen case; either I was wrong and it does need to be
> implemented, or there's a bug elsewhere that's triggering the failure
> condition.

I've concluded that that case does need to be handled; I think it can
arise in situations where a relation's allocated share of FSM space
decreases due to roundoff error. Fix committed accordingly.

regards, tom lane

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