Michael Bayer wrote:
>
> cx_oracle's blob object is able to stream out blobs like filehandles,
> since thats how OCI wants it to be done. Im not sure if it only
> allows sequential access or access to any range. As far as other
> DBAPIs like psycopg2 and MySQLDB, you'd have to dig into the docs/
> mailing lists/source code of those to see what resources are
> available. Another way might be some SQL function available within
> the database that truncates the binary stream to a certain portion of
> itself before selecting, but Im not aware of any function which does
> that (havent checked tho).
Ah well, this is better than I was expecting :-)
> Current SA behavior is to abstract away the "streamingness" of
> cx_oracles binary objects, but theres no reason we couldnt expose this
> functionality through something like a StreamingBinary type or similar.
Cool, if I run into it, I'd be interesting in helping to work on this!
cheers,
Chris
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