Re: Add a check an a array column

From: Andreas Kretschmer <akretschmer(at)spamfence(dot)net>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Add a check an a array column
Date: 2012-09-08 19:24:14
Message-ID: 20120908192414.GA24230@tux
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Joel Hoffman <joel(dot)hoffman(at)gmail(dot)com> wrote:

> More concisely, you can compare directly against all values of the array:
>
> # create table i (i int[] check (0 <= ALL(i) AND 1023 >= ALL(i)));
> # insert into i values (ARRAY[0,1,2,3,1023]);
> # insert into i values (ARRAY[0,1,2,3,-1]);
> ERROR: new row for relation "i" violates check constraint "i_i_check"

Nice! Didn't know that with all()

Andreas
--
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"If I was god, I would recompile penguin with --enable-fly." (unknown)
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