It returns unrecoginzed value of empty columns.
BTW: I've solved this problem. Every one using odbc on windows shuold read this mail:
psqlODBC with Visual Studio 2005 and Connection Pooling for newbies
On Nov 7, 2007 4:48 AM, Alvaro Herrera <
alvherre@xxxxxxxxxxxxxxxxx> wrote:
????????? wrote:
> Hi all,
>
> Recently I found my C/S program becomes slow. So I analysed the tcp
> traffic between my program and the Postgresql database. I found there
> are occasionally tcp re-transmission and that's why my porgram slow
> down.
>
> But when I changed to npsql, the tcp traffic was cut off to only 1/4
> and there are much fewer re-transmission. I am not sure it's the
> problem of odbc or it's because that I am using odbc correctly.
FYI there's another Postgres ODBC driver that is said to have better
performance.
https://projects.commandprompt.com/public/odbcng
(Yes, my company maintains it)
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
--
古希腊有一种哲人，穿着很宽的袍子走来走去。他们会划优美的曲线，其中包含了自己全部的心胸。他们的朋友也是智者，只有智者们互相之间才能明白彼此的曲线彼此的心胸。
