[V4Rb] VServer and VBlob field

[Ivan Smahin]

Hello Charles,

Friday, February 24, 2006, 7:39:31 PM, you wrote:

> On Feb 24, 2006, at 7:25 AM, Ruslan Zasukhin wrote:

>> On 2/24/06 4:47 AM, "Charles Yeomans" <yeomans ÎÁ desuetude.com> wrote:
>>
>>> Are there known problems with VBlob fields and cursors and VServer 
>>> 2.1?
>>>   I'm seeing some, and I am limited in my debugging by the lack of a
>>> working version of VStudio.
>>
>> Can you give more detailed.
>>
>> If look into Mantis I do not see reports about Vserver + BLOB.


> Here's the problem I am seeing.  After calling WriteData, I immediately
> call ReadData, which returns the string just written.  After calling 
> VCursor.Update, I build a new cursor.  Now ReadData returns "" --  for
> most records.  For records that had data written to them using V4Rb 
> 2.0, WriteData and VCursor.Update does modify the data, but I cannot 
> read it later with a cursor generated by a query of the form "SELECT 
> recID, * ..."  I can read that data with a query of the form "SELECT 
> fieldName..."", though.

> Furthermore, the VBlob field I created with segment size 128 appears to
> actually have segment size 1024 when i look at the field object in the
> debugger.  Also, IsNull = true and IsNullable = true, despite the claim
> in the documentation that VBlob fields are not nullable.


You  should try 2.2 (last build). Seems the problem you have described
is gone away there.

-- 
Best regards,
 Ivan                            mailto:ivan_smahin ÎÁ valentina-db.com