| From: | Misa Simic <misa(dot)simic(at)gmail(dot)com> |
|---|---|
| To: | Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov> |
| Cc: | simon(at)2ndquadrant(dot)com, gabriele(dot)bartolini(at)2ndquadrant(dot)it, marco(dot)nenciarini(at)2ndquadrant(dot)it, pgsql(at)j-davis(dot)com, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [PATCH] Support for foreign keys with arrays |
| Date: | 2012-06-17 15:25:16 |
| Message-ID: | CAH3i69kQ3vi0EiP32Eid-7V3r2HTW4OtekNjzsDRPE4MBR2v7w@mail.gmail.com |
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| Lists: | pgsql-hackers |
2012/6/17 Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>
>
>
> Can someone provide a practical example of a "foreign key with array"
> use case? The only situations I'm able to think of right now are the
> same cases where you would now use a table with primary keys of two
> tables to provide a many-to-many linkage. Does this proposed feature
> handle other cases or handle this type of case better?
>
I can't imagine either other usablity... Just many-to-one linkage... or to
have many-to-many link with less rows in middle table... What is better - I
think should be measured...
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