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Message-ID: <36af4bed0710240727i3b8b2753q1fd0dd5397a3e4f0@mail.gmail.com>
Date: Wed, 24 Oct 2007 19:57:44 +0530
From: "Robins Tharakan" <tharakan@gmail.com>
Reply-To: robins@pobox.com
To: "Paul Lambert" <paul.lambert@autoledgers.com.au>
Subject: Re: Quick question re foreign keys.
Cc: pgsql-sql <pgsql-sql@postgresql.org>
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Forgive my butting in, but frankly, most of the times, whenever I find
myself in a very 'exceptional problem' such as this one, I always end up
questioning the basic design due to which I am stuck in the first place.

Paul, it seems that probably there is a basic design issue here.

All the best :)

Robins

On 10/24/07, Paul Lambert <paul.lambert@autoledgers.com.au> wrote:
>
> Paul Lambert wrote:
> >
> > It's marked not null as a result of being part of the primary key for
> > that table which I can't really get around.
> >
> > I can get away with not having the foreign key though, so I'll have to
> > go down that path.
> >
> > Cheers,
> > P.
> >
>
> Ignore this whole thread actually.
>
> I need to rethink some of my design.
>
> --
> Paul Lambert
> Database Administrator
> AutoLedgers
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
>        choose an index scan if your joining column's datatypes do not
>        match
>

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<br>Forgive my butting in, but frankly, most of the times, whenever I find myself in a very &#39;exceptional problem&#39; such as this one, I always end up questioning the basic design due to which I am stuck in the first place.
<br><br>Paul, it seems that probably there is a basic design issue here.<br><br>All the best :)<br><br>Robins<br><br><div><span class="gmail_quote">On 10/24/07, <b class="gmail_sendername">Paul Lambert</b> &lt;<a href="mailto:paul.lambert@autoledgers.com.au">
paul.lambert@autoledgers.com.au</a>&gt; wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Paul Lambert wrote:<br>&gt;<br>&gt; It&#39;s marked not null as a result of being part of the primary key for
<br>&gt; that table which I can&#39;t really get around.<br>&gt;<br>&gt; I can get away with not having the foreign key though, so I&#39;ll have to<br>&gt; go down that path.<br>&gt;<br>&gt; Cheers,<br>&gt; P.<br>&gt;<br>
<br>Ignore this whole thread actually.<br><br>I need to rethink some of my design.<br><br>--<br>Paul Lambert<br>Database Administrator<br>AutoLedgers<br><br>---------------------------(end of broadcast)---------------------------
<br>TIP 9: In versions below 8.0, the planner will ignore your desire to<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; choose an index scan if your joining column&#39;s datatypes do not<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; match<br></blockquote></div><br>

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