From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | James Orr <james(at)lrgmail(dot)com> |
Cc: | pgsql-interfaces(at)postgresql(dot)org |
Subject: | Re: bytea on windows perl client |
Date: | 2002-07-17 16:08:59 |
Message-ID: | 14471.1026922139@sss.pgh.pa.us |
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Lists: | pgsql-interfaces |
James Orr <james(at)lrgmail(dot)com> writes:
> I have some code which runs fine on linux. It simply pulls a png from a bytea
> column and displays it.
> Now I need to get it running on windows. We have installed ActiveState perl
> with the DBI module and downloaded and installed the DBD-Pg binary.
> Connections to the database are working fine, but the png file is getting
> corrupted.
> Anybody know the work-around?
I'd bet money that the problem is a newline conversion issue --- you
could check by noticing whether the PNG signature (first 8 bytes of the
file) comes back correctly or not. The signature is designed to get
changed if it's fed through any of the standard kinds of newline
conversion (\n -> \r\n, for example).
Not that this gives any immediate suggestion for a fix, but
understanding what is happening is always a good first step.
regards, tom lane
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