From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
---|---|
To: | "D(dot) Dante Lorenso" <dante(at)lorenso(dot)com> |
Cc: | "Andreas 'ads' Scherbaum" <adsmail(at)wars-nicht(dot)de>, pgsql-general(at)postgresql(dot)org |
Subject: | Re: How to modify ENUM datatypes? |
Date: | 2008-04-22 21:28:22 |
Message-ID: | 20080422142822.4b247c78@commandprompt.com |
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Lists: | pgsql-general |
On Tue, 22 Apr 2008 15:45:39 -0500
"D. Dante Lorenso" <dante(at)lorenso(dot)com> wrote:
> I was really hoping that it would be more efficient to not have to do
> all the foreign keys and joins for tables that may have 4-5 enum
> types.
>
> Just being able to:
>
> SELECT *
> FROM tablename
>
> would be nice if my columns contained enums instead of doing:
>
> SELECT *
> FROM tablename, lookuptable
> WHERE tablename.some_id = lookuptable.some_id
>
> Isn't the join more expensive?
You were using natural keys, the join would not be required.
Joshua D. Drake
>
> -- Dante
>
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