Re: Foreign Key for PHP serialized data - possible?

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От Erik Jones
Тема Re: Foreign Key for PHP serialized data - possible?
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Msg-id F6C686FC-7059-49A2-AED5-B6AEBDDA5B23@myemma.com
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Ответ на Re: Foreign Key for PHP serialized data - possible?  (Michael Glaesemann <grzm@seespotcode.net>)
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On Oct 8, 2007, at 12:08 PM, Michael Glaesemann wrote:

>
> On Oct 8, 2007, at 8:33 , Dave wrote:
>
>> I guess, I can always
>> set up views with joins, but could not come up with a good way to
>> query this
>> in a one returned row, e.g.:
>> ID | Name  |  colors              | fav_col | kind
>> | fav_kind       |  etc.
>> 11 | Apples | red, green, etc. | red       | Granny smith, Golden
>> delicious.. | Granny smith | etc.
>
> You can either do it in your middleware or use array_accum.
>
> http://www.postgresql.org/docs/8.2/static/xaggr.html
>
> The archives have examples of doing things like this.
>
> Note that *this* is the problem you're trying to solve, not the
> serialization issue you're having above. I recommend changing your
> schema.

I, also, agree.  The "problem" you're trying to avoid with having
separate tables for colors, kinds, etc. is exactly what a relational
database is for.

Erik Jones

Software Developer | Emma®
erik@myemma.com
800.595.4401 or 615.292.5888
615.292.0777 (fax)

Emma helps organizations everywhere communicate & market in style.
Visit us online at http://www.myemma.com



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