| From: | Valerio Santinelli <tanis(at)mediacom(dot)it> |
|---|---|
| To: | "Thomas G(dot) Lockhart" <lockhart(at)alumni(dot)caltech(dot)edu> |
| Cc: | "jose' soares" <sferac(at)bo(dot)nettuno(dot)it>, "'pgsql-interfaces(at)postgreSQL(dot)org'" <pgsql-interfaces(at)postgreSQL(dot)org>, Michael Davis <michael(dot)davis(at)prevuenet(dot)com> |
| Subject: | Re: [INTERFACES] Foreign Keys |
| Date: | 1999-03-04 21:26:13 |
| Message-ID: | 36DF1694.DAF0907B@mediacom.it |
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| Lists: | pgsql-interfaces |
"Thomas G. Lockhart" wrote:
> > Thanks. That was what i was looking for. It's been real useful!
> > I also put this other line to handle the inverse case (NULL = field)
> >
> > | NULL_P '=' a_expr
> > { $$ = makeA_Expr(ISNULL, NULL, $3, NULL); }
>
> This leads to a shift/reduce conflict in yacc. I've been working on this
> a bit, and have modified gram.y (so far just in my local copy) to allow
> Jose's syntax and to allow the same syntax in a constraint declaration.
> But this variant may be tougher to do correctly...
I don't exactly know what you mean, but it's working fine here.
--
C'ya!
Valerio Santinelli a.k.a. TANiS
[tanis(at)mediacom(dot)it]+:+[http://www.mediacom.it/~tanis]
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