Re: ERROR: MemoryContextAlloc: invalid request size

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Rich Ryan" <rich(at)usedcars(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: ERROR: MemoryContextAlloc: invalid request size
Date: 2001-12-05 11:35:56
Message-ID: 11203.1007552156@sss.pgh.pa.us
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"Rich Ryan" <rich(at)usedcars(dot)com> writes:
> I'm getting errors like the following when I do queries/copies/dumps on
> certain tables.
> ERROR: MemoryContextAlloc: invalid request size 4294967293

A first guess is corrupted data: the length word of some variable-length
field contains garbage. You could probably track down the affected
row(s) by seeing how much you can retrieve without error. See past
discussions of similar problems.

regards, tom lane

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