FreeTDS Development Group

[Frediano Ziglio <freddy77 AT gmail.com>]

2013/9/23 Chris Kings-Lynne <Chris.Kings-Lynne AT navitas.com>:
> Ah. I see that version 8.0 and 7.2 are mapped to 7.2 in PHP dblib.  I 
> imagine that's due to the MS vs. Sybase version naming confusion?
>

No, it's MS against MS version confusion, they changed numbering. To
not having server use varchar you have to use version 7.3 (supported
only by git versions).

> So basically I have to fix FreeTDS to recognise the new type...any hints on 
> where to start?
>

Well... dblib itself does not support these types (and probably never
will) so we have to extend it on FreeTDS.

> Chris
>

Frediano

> -----Original Message-----
> From: freetds-bounces AT lists.ibiblio.org 
> [mailto:freetds-bounces AT lists.ibiblio.org] On Behalf Of Chris Kings-Lynne
> Sent: Monday, 23 September 2013 2:52 PM
> To: FreeTDS Development Group
> Subject: Re: [freetds] dbcoltype char vs. datetimeoffset
>
> I'm sure I'm connecting with 8.0 - would this work if I were?
>
> Chris
>
> -----Original Message-----
> From: freetds-bounces AT lists.ibiblio.org 
> [mailto:freetds-bounces AT lists.ibiblio.org] On Behalf Of James K. Lowden
> Sent: Monday, 23 September 2013 12:11 PM
> To: freetds AT lists.ibiblio.org
> Subject: Re: [freetds] dbcoltype char vs. datetimeoffset
>
> On Mon, 23 Sep 2013 02:58:44 +0000
> Chris Kings-Lynne <Chris.Kings-Lynne AT navitas.com> wrote:
>
>> The dbcoltype() function returns code 47 for both varchar and
>> datetimeoffset fields...is there any way to distinguish these - as
>> they really are _rather_ different...
>
> Less different than you might think, I'm afraid.
>
> If you connect to a server that supports datetimeoffset with TDS 7.2, 
> you're using a protocol for which no datetimeoffset datatype is defined.  
> On your behalf, the server provides the data as a string, which you see as 
> VARCHAR.  That's what's known as backwards compatibility.
>
> There are good reasons to update db-lib to support the new datatypes, which 
> after all are not so new anymore.  What is lacking someone with time and 
> interest.
>
> --jkl
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