Re: [Vala] Problems retrieving binary data from a sqlite3 database BLOB column

[Iñigo Serna <inigoserna gmail com>]

Hi

On 27 June 2011 08:21, Alexandre Rosenfeld
<alexandre rosenfeld gmail com> wrote:
> Just summarizing what Alexey said, what you need is:
>
> var data = (uint8[]) stmt.column_blob(4);
> data.length = stmt.column_bytes(4);
>
> You first get the data from Sqlite and then tell Vala about it's length. The
> thing here is that Sqlite's API is not exactly Vala friendly, so you have to
> do a bit more work then you usually need with Vala.
>
> Alexandre Rosenfeld


This doesn't work, crashing at the same place:
var data = (uint8[]) stmt.column_blob(4);
...
#2  0x0000000000402643 in _vala_array_dup3 (self=0x628d88
"\211PNG\r\n\032\n", length=-1) at /home/inigo/tmp/2-nodb/nodb.c:352
...
as at this point we don't know data length.

Regards,
Iñigo