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    $blob='';
    while(defined($frag=$dbh->func($lohandle,$offset,4096,'read_large_object'))){
      $len=length $flag or last;
      $blob.=$frag;
      $offset+=$len;
    }

Due to the limitations in the Illustra API, it is not
possible to support reading large objects from each row, as they are fetched.
This means that future versions of DBD::Illustra will never be able to
transparently return large objects with normal column data. However, you can
cast large object values to large_text, in which case they will be returned
as normal values.

=head1 AUTHOR

Peter Haworth (pmh@edison.ioppublishing.com)

=head1 SEE ALSO

L<DBI>