"Pavel Eremenko" <napaulm@shark.east.ru> writes:
> I use Zeos library for C++ builder to interact with postgre server...
> (it uses libpq)
> when I post a blob data it fails on ApplyChanges() with
> "invalid large obj descriptor(0)" error...
From a backend perspective, this almost certainly means that you're
failing to wrap the sequence of large-object operations into a
single transaction.
> AutoCommit is set to false. So i dont know what is a problem.....
No idea here either; perhaps studying the Zeos library's documentation
some more will help.
regards, tom lane