Re: [Pgsql-ayuda] Integridad referencial

From: Rafa Rodriguez Hernandez <rhernandez(at)prisacom(dot)com>
To: Manuel Sugawara <masm(at)fciencias(dot)unam(dot)mx>
Cc: pgsql-ayuda(at)tlali(dot)iztacala(dot)unam(dot)mx
Subject: Re: [Pgsql-ayuda] Integridad referencial
Date: 2004-02-25 17:08:40
Message-ID: 20040225180840.52eea717.rhernandez@prisacom.com
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Gracias por la ayuda, me ha sido muy util.

Un saludo.

Recuerdo que era 25 Feb 2004 11:01:46 -0600 y Manuel Sugawara <masm(at)fciencias(dot)unam(dot)mx> tecleo:

> Rafa Rodriguez Hernandez <rhernandez(at)prisacom(dot)com> writes:
>
> > Hola,
> >
> > Necesito si alguno sabeis, como desactivar la integridad referencial,
> > volcar un dump y volver a activa dicha integridad.
> >
> > Me podeis decir mas o menos como llevarlo a cabo? Necesito medir el tiempo
> > que tardo en hacerlo.
>
> Para desactivarlos pg_dump hace algo como:
>
> UPDATE pg_class SET reltriggers = 0 WHERE relname !~ 'pg_';
>
> y para activarlos de nuevo algo como:
>
> UPDATE pg_class SET reltriggers = (SELECT count(*) FROM pg_trigger where pg_class.oid = tgrelid) WHERE relname !~ '^pg_'
>
> Nota que esto desactiva *todos* los triggers, en particular aquellos
> que se encargan de mantener la integridad referencial.
>
> Saludos,
> Manuel.

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