Re: Add a check an a array column - Mailing list pgsql-general

From Andreas Kretschmer
Subject Re: Add a check an a array column
Date
Msg-id 20120908192414.GA24230@tux
Whole thread Raw
In response to Re: Add a check an a array column  (Joel Hoffman <joel.hoffman@gmail.com>)
Responses Re: Add a check an a array column
List pgsql-general
Joel Hoffman <joel.hoffman@gmail.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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