| From: | "Peter Childs" <peterachilds(at)gmail(dot)com> |
|---|---|
| To: | |
| Cc: | "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Conditional updateable view |
| Date: | 2007-12-21 13:36:36 |
| Message-ID: | a2de01dd0712210536g3f916da0t3b87c504159f46b6@mail.gmail.com |
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| Thread: | |
| Lists: | pgsql-general |
On 16/12/2007, snacktime <snacktime(at)gmail(dot)com> wrote:
>
> I can't seem to find an example of how to add restrictions to the
> where clause of an updateable view created via the rule system. For
> example I don't want the update to complete if a where clause is
> missing entirely, and in some cases I want to only allow the update if
> the where clause specifies a particular column.
>
> Is there a way to do this?
Quick answer no.
Long answer. You can limit which fields can be updated and indeed rename
fields or update completely different tables using rules and/or triggers.
But you not can say that the where clause must include something.
Peter
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