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

From Richard Broersma
Subject Re: limit table to one row
Date
Msg-id 396486430906041317l1ac3092ep70d4960df8e0032d@mail.gmail.com
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In response to limit table to one row  (Brandon Metcalf <brandon@geronimoalloys.com>)
Responses Re: limit table to one row
Re: limit table to one row
List pgsql-general
On Thu, Jun 4, 2009 at 1:13 PM, Brandon Metcalf
<brandon@geronimoalloys.com> wrote:
> Is there a way when creating a table to limit it to one row?  That is,
> without using a stored procedure?


Sure just add a check constraint along the lines of:

CONSTRAINT Only_one_row
    CHECK( tableuniqueid = 1 ); --assuming you row has a unique id of 1

--
Regards,
Richard Broersma Jr.

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