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Re: Oracle MINUS is not supported

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Denis Perchine <dyp(at)perchine(dot)com>
Cc: pgsql-patches(at)postgresql(dot)org
Subject: Re: Oracle MINUS is not supported
Date: 2001-03-10 15:09:26
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-patches
Ultimlately, what we would like is a pre-grammar to convert Oracle-isms
to PostgreSQL/ANSI.

[ Charset KOI8-R unsupported, converting... ]
> Hello,
> Oracle has MINUS keyword used instead of EXCEPT.
> I know that this sucks, but I like sometimes to test Oracle queries on 
> PostgreSQL (I should use Oracle...).
> Here is a patch to make minus working same way as except. I am not sure it is 
> complety correct (I am not very big guru in grammars... Just wrote draft 
> version of Oberon-2 -> C++ translator). Please someone more expirienced check 
> that all is fine.
> BTW, I am not ask for inclusion in current tree. I just create a patch, and 
> if someone need it it can be picked up.
> -- 
> Sincerely Yours,
> Denis Perchine
> ----------------------------------
> E-Mail: dyp(at)perchine(dot)com
> HomePage:
> FidoNet: 2:5000/120.5
> ----------------------------------

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  Bruce Momjian                        |
  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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