Re: limit table to one row - Mailing list pgsql-general

From Merlin Moncure
Subject Re: limit table to one row
Date
Msg-id b42b73150906080619s5eb4650cud0e0daf75e601fee@mail.gmail.com
Whole thread Raw
In response to Re: limit table to one row  (Craig Ringer <craig@postnewspapers.com.au>)
List pgsql-general
On Sun, Jun 7, 2009 at 1:38 AM, Craig Ringer<craig@postnewspapers.com.au> wrote:
> Brandon Metcalf wrote:
>> Is there a way when creating a table to limit it to one row?  That is,
>> without using a stored procedure?
>>
>> I searched the documentation, but didn't find anything.
>>
>
>
> CREATE TABLE x (...);
>
> CREATE UNIQUE INDEX x_only_one_row ON ((1));

very clever :D

merlin

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