Re: bug with TextAsLongVarchar=0: output scrambled

> There's no strangeness about it because you are telling the driver and the
> application that
> your text fields have < 255 characters though your text fields have > 254
> characters.

i don't think so. because on some fields i only get 218 chars, on other
fields up to 480 chars until an invalid character shows up...

> Anyway could you send me the Mylog output ?

sent to you offlist.


> 8190 is the limitation for ancient PG severs and isn't a driver's
> limitation at all.
> You can increase the limit by changing the Max LongVarchar value.
> However the tool or middleware you are using may have a limitation.

i need unlimited size as i currently don't know how much data there will be
stored in a text field...

> I'm suspicious if the setting was ignored by the driver.

with the 8.01.0102 driver i succesfully write and read 32kb of text data
with the mentioned connection string...

best regards,
thomas



----- Original Message -----
From: "Hiroshi Inoue" <inoue@tpf.co.jp>
To: <me@alternize.com>
Cc: <pgsql-odbc@postgresql.org>
Sent: Monday, September 11, 2006 1:56 AM
Subject: Re: [ODBC] bug with TextAsLongVarchar=0: output scrambled


> me@alternize.com wrote:
>> hi list
>>
>> a while ago i posted about a bug with unicode TEXT fields and pgODBC (see
>> below). i now was able to get down to the problem.
>>
>> if you use TextAsLongVarchar=0 with the latest drivers, then the output
>> from TEXT fields is scrambled.
> > i was able to reproduce this by having a text-field with as low as ~500
> > chars of data. the output
> contained
> > invalid charcters at random positions - and as early as after the 240
> > character. the invalid
> characters seem
> > to be 0x00 or the like, which of course messes with the application.
>
> There's no strangeness about it because you are telling the driver and the
> application that
> your text fields have < 255 characters though your text fields have > 254
> characters.
> Anyway could you send me the Mylog output ?
>
>> here's my full connection string:
>> Driver={PostgreSQL
>>
UNICODE};Server=localhost;Port=5432;Database=mydb;UID=myuser;pwd=mypass;TrueIsMinus1=1;BoolsAsChar=0;TextAsLongVarchar=0;UseDeclareFetch=0
>>
>> when using TextAsLongVarchar=1, data is returned fine.
> > unfortunately, some of our textfields are longer than longvarchars 8190
> > limit...
>
> 8190 is the limitation for ancient PG severs and isn't a driver's
> limitation at all.
> You can increase the limit by changing the Max LongVarchar value.
> However the tool or middleware you are using may have a limitation.
>
>> when going back to driver 8.01.0102, TextAsLongVarchar=0 works perfectly.
>
> I'm suspicious if the setting was ignored by the driver.
>
> regards,
> Hiroshi Inoue
>