From: Andreas Kretschmer <akretschmer@spamfence.net>
To: pgsql-sql@postgresql.org
Subject: Re: checking the gaps in intervals
Date: Sat, 6 Oct 2012 09:44:10 +0200
Message-ID: <20121006074410.GA14079@tux> (raw)
In-Reply-To: <-3205649711969780110@unknownmsgid>
References: <-3205649711969780110@unknownmsgid>
Anton Gavazuk <antongavazuk@gmail.com> wrote:
> Hi dear community,
>
> Have probably quite simple task but cannot find the solution,
>
> Imagine the table A with 2 columns start and end, data type is date
>
> start end
> 01 dec. 10 dec
> 11 dec. 13 dec
> 17 dec. 19 dec
> .....
>
> If I have interval, for example, 12 dec-18 dec, how can I determine
> that the interval cannot be fully covered by values from table A
> because of the gap 14-16 dec? Looking for solution and unfortunately
> nothing has come to the mind yet...
I'm thinking about a solution with DATERANGE (PostgreSQL 9.2)...
Are start and end including or excluding?
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: checking the gaps in intervals
In-Reply-To: <20121006074410.GA14079@tux>
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