From: Andreas Kretschmer <akretschmer@spamfence.net>
To: pgsql-sql@postgresql.org
Subject: Re: How to realize ROW_NUMBER() in 8.3?
Date: Wed, 4 May 2011 07:28:36 +0200
Message-ID: <20110504052836.GA5658@tux> (raw)
In-Reply-To: <4DC016D4.9090608@encs.concordia.ca>
References: <4DAEFF97.9020608@encs.concordia.ca>
<0E2AEE255CB846CAA0017E7BB54D501C@marktestcr.marktest.pt>
<4DC016D4.9090608@encs.concordia.ca>
Emi Lu <emilu@encs.concordia.ca> wrote:
> Thank you for the info.
>
> I found a simple way:
> ==========================
> [1] create SEQUENCE tmp start 7820;
> [2]
> insert into desti_table_name
> select nextval('tmp'),
> c1, c2... ... cN
> from t1 left join t2... ... tn
> where ... ...
>
> Just for people using 8.3, this is mimic row_number.
Not really... you have to reset the sequence after the select, and i'm
not sure about ordering the result.
Andreas
--
Really, I'm not out to destroy Microsoft. That will just be a completely
unintentional side effect. (Linus Torvalds)
"If I was god, I would recompile penguin with --enable-fly." (unknown)
Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°
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To: pgsql-sql@postgresql.org
Cc: akretschmer@spamfence.net
Subject: Re: How to realize ROW_NUMBER() in 8.3?
In-Reply-To: <20110504052836.GA5658@tux>
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