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Re: select from a table having more than 32 fields: Quick Workaround

From: "Byron Nikolaidis" <byron(dot)nikolaidis(at)home(dot)com>
To: "Bruce Momjian" <pgman(at)candle(dot)pha(dot)pa(dot)us>, "Hiroshi Inoue" <Inoue(at)tpf(dot)co(dot)jp>
Cc: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Matteo Cavalleri" <theos(at)bp(dot)lnf(dot)it>, <pgsql-odbc(at)postgresql(dot)org>
Subject: Re: select from a table having more than 32 fields: Quick Workaround
Date: 2001-02-27 02:06:18
Message-ID: 005401c0a061$df8cea80$6401a8c0@byron (view raw or flat)
Thread:
Lists: pgsql-odbc
The stuff in parse.c is only used if you actually have the "parse
statements" option enabled in the driver settings.   Actually, the parse
module wasn't really a great parser -- it was more of an expirement to
overcome some limitations of the backend in dealing with odbc functions like
SQLDescribeCol, especially when used with Borland products.

More importantly, I'm not sure if the parse code has been kept up-to-date as
the Postgres SQL language has improved and so forth.

Matteo, Do you actually have that option enabled?

Byron

----- Original Message -----
From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>; Matteo Cavalleri <theos(at)bp(dot)lnf(dot)it>;
<pgsql-odbc(at)postgresql(dot)org>
Sent: Wednesday, February 21, 2001 10:58 PM
Subject: Re: [ODBC] select from a table having more than 32 fields: Quick
Workaround


> > > I think the bug is in lines 681-694 (of current CVS sources).
Actually
> > > there are a couple bugs there: first that the new fi value is not
stored
> > > back into stmt->fi (your complaint).  Secondly, the calculation of
> > > required space looks to me to have a bunch of errors, both fencepost
> > > type (roundup of stmt->nfld to number of slots actually allocated is
> > > wrong) and conceptual (roundup should be done on total number of slots
> > > needed, not on parts of it).  I have no way to test ODBC, though, so
> > > I won't try to fix it.
> > >
> >
> > I've just committed a fix according to Tom's analysis.
> > Thanks to Tom for his accurate analysis as usual.
> > Matteo, if you want to check the change I would send
> > you a binary.
>
> Thanks, Hiroshi.   That seemed like a big problem that no one could test
> for a fix.
>
> --
>   Bruce Momjian                        |  http://candle.pha.pa.us
>   pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 853-3000
>   +  If your life is a hard drive,     |  830 Blythe Avenue
>   +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026


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