From: Volkan YAZICI <yazicivo@ttnet.net.tr>
To: ivan marchesini <marchesini@unipg.it>
Cc: pgsql-sql@postgresql.org
Subject: Re: drop a check
Date: Mon, 13 Nov 2006 19:41:39 +0200
Message-ID: <20061113174138.GB1403@alamut> (raw)
In-Reply-To: <1163435526.6395.27.camel@geoivan>
References: <1163435526.6395.27.camel@geoivan>
On Nov 13 05:32, ivan marchesini wrote:
> I have created a check constraint without giving it a name..
> now I have a check named "$25" in my table that I need to drop or
> modify!!!
> How can I do???
> with names is simple
>
> alter table tablename drop constraint constraintname;
>
> but without name?? :-)
CREATE TABLE cons_test (
u integer CHECK (u > 10)
);
SELECT constraint_name
FROM information_schema.constraint_column_usage
WHERE table_name = 'cons_test' AND
column_name = 'u';
See infoschema-constraint-column-usage.html in the manual for further
assistance.
Regards.
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To: pgsql-sql@postgresql.org
Cc: yazicivo@ttnet.net.tr, marchesini@unipg.it
Subject: Re: drop a check
In-Reply-To: <20061113174138.GB1403@alamut>
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