From: Vitor Peres <dodecaphonic@...>
Date: 2006-08-09T02:04:03+09:00
Subject: Re: FireRuby 0.4.1 and blob data

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I don't mean to bother, but... anyone?

On 8/7/06, Vitor Peres <dodecaphonic@gmail.com> wrote:
>
> Hello,
>
> First, I would like to apologize if I am skipping any vital steps in my
> ignorance. I am currently building a GTK application using Ruby, a small
> data retrieval and storage thingie that deals basically with drag and
> drop,
> visual associations between data. A central part of it demands that I
> retrieve an image from a  Blob column in a Firebird database to feed a
> GtkImage.
> The issue I'm having is this: using blob_data.to_s locks up Ruby, and
> blob_data.each raises the following exception:
>
> ./lib/sign.rb:19:in `each': Error reading blob segment.
> (FireRuby::FireRubyException)
> segment buffer length shorter than expected
> segment buffer length shorter than expected
>
> I had tried a couple of weeks ago to import data into a blob column using
> FireRuby, and retrieving them later resulted in 0 byte images. The failure
> made me rewrite what I had in Python, just to get the job done -- which I
> regret, since it has delayed this question and made me write Python. Am I
> doing something fundamentally wrong, is there anything I seem to be
> forgetting? I'm using FireRuby 0.4.1, Ruby 1.8.4 and Firebird 1.5, and the
> data is certainly there, I can get it back fine using other methods.
>
> Thanks in advance for reading this. Any help is appreciated.
>
> --
> Vitor Peres
>
>

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