Am Thu, 25 Aug 2016 15:21:11 +0200
schrieb Björn Lindqvist <[email protected]>:
> > If I remove ``{ +foreign-id+ node "ID" }`` all works fine.
> >
> > Do I understand ``+foreign-id+`` wrong ?
>
> There was a bug in the delete restrict triggers. Should be fixed now.
>
> > tree "TREE" {
> > { "id" "ID" INTEGER +db-assigned-id+ }
> > ! { "node" "NODE" INTEGER }
> > { "node" "NODE" INTEGER { +foreign-id+ node "ID" } }
> > } define-persistent
>
> You can also use: { "node" "NODE" INTEGER { +foreign-id+ node "ID" }
> +on-delete+ +cascade+ } to get cascading deletes. IME, that is almost
> always better than restricting deletes.
>
> > "test.db"
> > [ "rm " prepend system drop ]
>
> You could use [ ?delete-file ] here.
>
>
Thank you. Now it works. Georg
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