| From: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> |
|---|---|
| To: | Shridhar Daithankar <shridhar_daithankar(at)persistent(dot)co(dot)in> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: ADD FOREIGN KEY (was Re: [GENERAL] 7.4Beta) |
| Date: | 2003-09-30 02:02:55 |
| Message-ID: | 3F78E44F.4020206@familyhealth.com.au |
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| Thread: | |
| Lists: | pgsql-general pgsql-hackers |
> Correct me if I am wrong but I remember postgresql throwing error that foreign
> key field was not unique in foreign table. Obviously it can not detect that
> without an index. Either primary key or unique constraint would need an
> index.
>
> What am I missing here?
>
>
> IOW, how do I exactly create foreign keys without an index?
You are taling about the primary key or the referenced key, not the
foreign key. (eg. the source column)
Chris
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