(2014/06/21 17:02), Craig Ringer wrote:
> On 06/21/2014 12:52 PM, Craig Ringer wrote:
>>
>>> Oops, it's my mistake. It may be better to rewrite the code completely
>>> using libpq APIs instead of ODBC APIs.
>>
>> I don't know if that'll work.
The driver doesn't pass original connection strings to XARMCreate().
It seems possible to pass LIBPQ connection strings.
>
> ... and in fact there are more issues, too.
>
> If the DSN is using SSPI, MSDTC.exe probably won't be able to
> authenticate to the DB as them. Same with any other kind of connection
> that depends on the properties of the current user account.
>
> Meh.
Yes it's a severe problem.
I'll try to check the good way to do it.
> Given the low uptake of MSDTC and XA with Pg I think a lot of this can
> just be documented away - "don't do that". So I'm not going to go
> charging around trying to find 100% perfect solutions at the expense of
> "good enough for the real world".
>
> Where possible I'd like to find ways to produce useful errors though,
> preferably at transaction enlistment time rather than commit phase II.
> Suggestions would be valued.
It's possible to reject transaction enlistments at XARMCreate() though
I'm not sure if it's possible to tell the cause clearly to users.
regards,
Hiroshi Inoue
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