The following bug has been logged online:

Bug reference: 1989
Logged by: Petr
Email address: petr (AT) pjsoft (DOT) net
PostgreSQL version: 8.0
Operating system: Win 2003
Description: Curious blob problem
Details:

Hi.

I'm trying to use blob fields (bytea) and have a curious problem with it (in
Delphi). When i'm store the blob stream into DB, the length is 810 bytes.
When i'm trying to get data from DB, gives me only 807 bytes. I was try to
store entire streams into files and locate differences. Three bytes aren't
be in exported file in the middle of the file :-O.
Can you look at this problem (i can send you these files).

PS : sorry for my poor english.

Petr

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On Sun, Oct 23, 2005 at 11:33:35AM +0100, Petr wrote:
Have you done any tests that don't involve Delphi? With psql, for
example? This might not be a PostgreSQL problem.

A test case would be useful: all SQL statements, data, and other
steps that somebody could use to duplicate what you're doing.

--
Michael Fuhr

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