| From: | Jan Wieck <JanWieck(at)Yahoo(dot)com> |
|---|---|
| To: | mallah(at)trade-india(dot)com |
| Cc: | pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: simulating partial fkeys.. |
| Date: | 2003-06-06 11:35:50 |
| Message-ID: | 3EE07C96.6090400@Yahoo.com |
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| Thread: | |
| Lists: | pgsql-sql |
mallah(at)trade-india(dot)com wrote:
>
> hi ,
>
> Is there any way to enforce fkeys only on subset of
> the table something on the lines of unique partial indexes
Sure. Put NULL values into the referencing fields of those rows you
don't want to be checked.
Jan
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