Re: Hierarchical queries a la Oracle patch. for 7.3rc1.

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От
Bruce Momjian
Тема
Re: Hierarchical queries a la Oracle patch. for 7.3rc1.
Дата
Msg-id
200212052238.gB5McBS17588@candle.pha.pa.us
Ответ на
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Дерево обсуждения
Hierarchical queries a la Oracle patch. for 7.3rc1. Evgen Potemkin <evgent@ns.terminal.ru>
Re: Hierarchical queries a la Oracle patch. for 7.3rc1. Bruce Momjian <pgman@candle.pha.pa.us>
Re: Hierarchical queries a la Oracle patch. for 7.3rc1. Tom Lane <tgl@sss.pgh.pa.us>
Re: Hierarchical queries a la Oracle patch. for 7.3rc1. Bruce Momjian <pgman@candle.pha.pa.us>
Re: Hierarchical queries a la Oracle patch. for 7.3rc1. Hannu Krosing <hannu@tm.ee>
Re: Hierarchical queries a la Oracle patch. for 7.3rc1. Tom Lane <tgl@sss.pgh.pa.us>
Re: Hierarchical queries a la Oracle patch. for 7.3rc1. Bruce Momjian <pgman@candle.pha.pa.us>
Re: Hierarchical queries a la Oracle patch. for 7.3rc1. Hannu Krosing <hannu@tm.ee>
Re: Hierarchical queries a la Oracle patch. for 7.3rc1. Tom Lane <tgl@sss.pgh.pa.us>
Re: Hierarchical queries a la Oracle patch. for 7.3rc1. Joe Conway <mail@joeconway.com>
Re: Hierarchical queries a la Oracle patch. for 7.3rc1. Bruce Momjian <pgman@candle.pha.pa.us>
Re: Hierarchical queries a la Oracle patch. for 7.3rc1. Bruce Momjian <pgman@candle.pha.pa.us>

That's all I needed to hear (and Tom's comment).  Thanks.

I am sure you understand I need something concrete to tell the submitter
when I reject it.  Thanks.

---------------------------------------------------------------------------

Fernando Nasser wrote:
> Bruce Momjian wrote:> This is a pretty sizable patch, and there was discussion 
> about it.
> 
> On which there were objections that were not addressed.  I, for instance, 
> complained about the addition of a syntax that is neither SQL not Oracle.  And 
> the last version of the patch still has it.
> 
> Also, I felt that there was a consensus that we should implement the SQL99 (and 
> DB2) recursive queries instead because:
> 1) It is the _standard_
> 2) The Oracle clause is less generic (less powerful) than the standard
> 3) One can add the Oracle weird clause as a syntactic sugar to a specific 
> recursive query construct (as I have shown in one posting)
> 4) Adding the Oracle clause as a hack may prevent us to implement the real SQL thing
> 
> 
> 
> 
> 
> 
> -- 
> Fernando Nasser
> Red Hat - Toronto                       E-Mail:  fnasser@redhat.com
> 2323 Yonge Street, Suite #300
> Toronto, Ontario   M4P 2C9
> 
> 

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