From: Harald Fuchs <hari.fuchs@gmail.com>
To: pgsql-sql@postgresql.org
Subject: Re: postgres sql help
Date: Sun, 16 Oct 2011 10:24:10 +0200
Message-ID: <86obxhtkd1.fsf@protecting.net> (raw)
References: <SNT102-W49402A41C6B6599F082D35A8E10@phx.gbl>
In article <SNT102-W49402A41C6B6599F082D35A8E10@phx.gbl>,
James Bond <coolofall@hotmail.com> writes:
> hi, i am fairly new in postgresql, so if anyone can help me would be great
> if i simply do:
> select ver_no
> from version
> order by ver_no
> the result will be something like this:
> .1.3.1
> .1.3.2.5.
> .1.4.1.7.12
> .1.4.11.14.7.
> .1.4.3.109.1.
> .1.4.8.66.
> so as you can see first 3 lines are ok, but how to make 1.4.3.109 come
> before 1.4.11 because the third level "3" is smaller than "11".
The query
SELECT ver_no
FROM version
ORDER BY string_to_array(ver_no, '.', '')::int[]
should do what you want.
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To: pgsql-sql@postgresql.org
Cc: hari.fuchs@gmail.com
Subject: Re: postgres sql help
In-Reply-To: <86obxhtkd1.fsf@protecting.net>
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