Re: type unknown - how important is it?

From: Dave Cramer <pg(at)fastcrypt(dot)com>
To: Shachar Shemesh <psql(at)shemesh(dot)biz>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org, Postgresql OLE DB development <oledb-dev(at)gborg(dot)postgresql(dot)org>
Subject: Re: type unknown - how important is it?
Date: 2005-03-17 15:15:19
Message-ID: 42399F07.6080601@fastcrypt.com
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Shachar Shemesh wrote:

> Dave Cramer wrote:
>
>> Shachar,
>>
>> I think with type oid 705 (unknown) it's safe to treat it as text.
>> Certainly better than punting.
>
>
> Question is what DBTYPE to report it as. Options are DBTYPE_WSTR
> (UTF-16 string, which means the input string must be a valid UTF-8
> string), DBTYPE_STR (just dump it as I get it, and hope that client
> doesn't barf on the UTF-8 encoding), DBTYPE_BYTES (it's an array of
> bytes, just let the client figure out what to do with it. No promises
> on my part).
>
> I don't know type 705 well enough to decide which would work best. If
> it's guaranteed to be a validly encoded text string, then I'll just
> put it in as DBTYPE_WSTR, and get it done with.

I think it's safe to assume it will be encoded properly. Attempting to
convert it to a DBTYPE_WSTR makes more sense to me. Of course I reserve
the right to be wrong.

>
>> On another note are you aware of any issues with transactions?
>> Specifically with using the dated autocommit mode ?
>
>
> I'm not sure what dated autocommit is. What are the issues you are
> seeing?

Pre-7.4 servers used set autocommit on/off and that was the error they
referred to, however after asking them to get me a test case I haven't
heard back
9 times out of 10 this means that while creating their test case they
found the problem.

>
>> Dave
>
>
> Shachar
>

--
Dave Cramer
http://www.postgresintl.com
519 939 0336
ICQ#14675561

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