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Re: RE: [PATCHES] ODBC Patch for OJs/Large Querys & Rows

From: Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>
To: Dave Page <dpage(at)vale-housing(dot)co(dot)uk>
Cc: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, "'pgsql-odbc(at)postgresql(dot)org'" <pgsql-odbc(at)postgresql(dot)org>
Subject: Re: RE: [PATCHES] ODBC Patch for OJs/Large Querys & Rows
Date: 2001-01-25 10:15:19
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-odbc
Dave Page wrote:


> >
> > Hmm, does the new version number "7.1.0000" mean that the
> > new ODBC driver could only talk to 7.1 server ?
> >
> No, but it does now report that it can handle unlimited query & row length
> (although in reality as MAX_MESSAGE_LEN=65536 it's not really unlimited -
> some work needed to fix that), as well as outer joins which are features
> that are only in 7.1 of course. It certainly still works with 7.0.3 as long
> as you don't send too long a query or an oj query - which the backend will
> complain about anyway.

It's not me who would send such queries. For exmaple, intelligent
DAO/RDO/ADO could see that a long or an oj query is allowed and
send such queries automatically in some cases though I don't know
if it would really occur or not.
Hmm, I found a large-object related change after 7.0 which would
break some pre-7.1 specs.

> My other reasoning for this change was that the current source had a version
> number of 6.40.0009 whilst Byron's last compiled version seemed to be
> 6.50.0000 - there seems to have been much confusion about this on the list
> (as well as the 'Will this 6.40 driver work with 7.0' faq). 
> It also makes me
> wonder if the CVS is missing Byron's last changes as well as the correct
> version number...

It seems that Byron's last (equivalent) changes were committed
(by someone) except the version number.

Hiroshi Inoue

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