Re: Oracle MINUS is not supported
| От | Bruce Momjian |
|---|---|
| Тема | Re: Oracle MINUS is not supported |
| Дата | |
| Msg-id | 200103101818.NAA22929@candle.pha.pa.us обсуждение |
| Ответ на | Re: Oracle MINUS is not supported (Tom Lane <tgl@sss.pgh.pa.us>) |
| Список | pgsql-patches |
> Bruce Momjian <pgman@candle.pha.pa.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@candle.pha.pa.us | (610) 853-3000
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