I'm a newbie to postgres (haven't got as far as setting up odbc on my
system yet) so please forgive me if I'm talking ^&*%.
At 23:00 20/10/98 -0400, you wrote:
>Date: Tue, 20 Oct 1998 15:52:06 +0200
>From: Sferacarta Software <sferac(at)bo(dot)nettuno(dot)it>
>Subject: using indexes with the OR clause
>I'm trying v6.4beta2 via ODBC-Access.
>I have the following table:
>CREATE TABLE attivita (
> azienda CHAR(11) NOT NULL,
> attivita CHAR(03) NOT NULL,
> specifica CHAR(02),
> cod_alternativo CHAR(10),
> conto_economico CHAR(02),
> inizio_attivita DATE,
> fine_attivita DATE,
> PRIMARY KEY (azienda,attivita,specifica,inizio_attivita)
>I linked this table on M$-Access specifying the Access-key equal to
>PostgreSQL PRIMARY KEY to test indexes with the OR clause but
>I have the following error message:
It may be nothing to do with your error but I see from your code you allow
NULL values as part of the primary key. The programming style is
questionable, but Access is VERY particular about not having NULL values in
JET tables so I suppose it could be the same for linked tables.
I would try declaring each attribute of the primary key as NOT NULL.
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