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De : Alban Hertroys <dalroi@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
À : Alban Hertroys <dalroi@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Cc : Pablo Romero Abiti <pabiti@xxxxxxxxx>; "pgsql-general@xxxxxxxxxxxxxx" <pgsql-general@xxxxxxxxxxxxxx>
Envoyé le : Dimanche 24 Juillet 2011 4h06
Objet : Re: Re : Update columns in same table from update trigger?
On 24 Jul 2011, at 11:00, Alban Hertroys wrote:
> You can't fire a trigger on non-existant data.
I just realised the above statement is a little inexact: you can't fire row-level triggers on non-existant data.
You can still fire statement-level triggers on them, but with those you won't have information about which row(s) were involved, so it won't help your case.
Alban Hertroys
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