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Re: Large objects.

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Dmitriy Igrishin <dmitigr(at)gmail(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Large objects.
Date: 2010-09-26 16:14:38
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Lists: pgsql-hackers
On Fri, Sep 24, 2010 at 9:13 AM, Dmitriy Igrishin <dmitigr(at)gmail(dot)com> wrote:
> Tell me please, why lo_write() returns me the number of bytes "actually
> written"
> when current write location is out of 2GB ? IMO, in this case it should
> returns
> at least zero.
> lo_read() returns zero in this case, and it is correct, IMO.

Hmm, are you sure?  If the behavior of lo_read and lo_write is not
symmetric, that's probably not good, but I don't see anything obvious
in the code to make me think that's the case.  Returning 0 for a value
>= 2^31 seems problematic unless there is no possibility of a short
read (or write).

Robert Haas
The Enterprise Postgres Company

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