Re: Access violation (0xC0000005) in PSQLODBC35W.DLL when calling SQLDescribeColW

Hi、

(2010/11/05 7:44), Adrien de Croy wrote:
>
> Hi all
>
> I'm getting an access violation from within SQLDescribeColW when I'm
> getting the result scheme from a query.

Hmm I may have introduced a bug in 9.0.0200.

Could you please try the drivers on testing for 9.0.0201 at
http://www.ne.jp/asahi/inocchichichi/entrance/psqlodbc/
?

regards,
Hiroshi Inoue

> the query is pretty simple:
>
> SELECT count(*) as folder_files, sum(file_size) as folder_size,
> sum(disk_use) as folder_size_disk, folder_id from cache_index where
> volume_id = %u group by folder_id
>
> SQLExecute returns OK
> SQLNumResultCols returns 4 columns as expected
>
> the SQLDescribeColW blows up when calling with column #2, corresponding
> to sum(file_size). file_size is a bigint field. There are only 5
> records, and the sum of the file_size is under 1MB. So shouldn't be any
> bigint overflow or something.
>
> I used to use a double precision and it worked fine, then I figured out
> how to store into a bigint field and now this happens every time I do
> this query if there are any records in the table. If there are no
> records it's fine.
>
> Regards
>
> Adrien de Croy