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Re: Oracle MINUS is not supported

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Denis Perchine <dyp(at)perchine(dot)com>, pgsql-patches(at)postgresql(dot)org
Subject: Re: Oracle MINUS is not supported
Date: 2001-03-10 18:18:14
Message-ID: 200103101818.NAA22929@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-patches
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > we would rather have a pass over the queries before they reach our
> > grammar.  The pass would restructure any Oracle-specific syntax into
> > PostgreSQL syntax.
> 
> More specifically, a separate program to convert Oracle-isms into
> Postgres-isms (and, perhaps, MySQL-isms, DB2-isms, ...).  Feed it
> a script, get a new script back.
> 
> Do we have a TODO list entry for this?  I don't see it offhand.
> I do see something about an SQL*Net listener, which would probably
> need to run this sort of conversion on-the-fly, but ISTM the first
> step ought to be a simple script converter.

Added now:

	* Convert non-Ansi feature to PostgreSQL features

-- 
  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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