[development] One-to-one tables considered harmful

David Strauss david at fourkitchens.com
Tue Jun 5 16:03:20 UTC 2007

Mark Fredrickson wrote:
> Flame war aside, I think there are some good points in this thread.
> Perhaps someone can clarify two points:
> 1. Is it kosher to add columns to other modules' tables? E.g. Is it ok
> for comment to add it's statistics to the node table. Similarly, I
> could imagine the stats module would want to add summary information,
> and perhaps other modules as well.
> 2. Do David's arguments support more Single Table Inheritance[1] in
> Drupal (e.g. adding columns to node that don't necessarily apply to
> every node type)? For example, should CCK add columns to the node
> table that only apply to some types of nodes.

I don't think so. I discussed my reasons in my original post.

> [1] http://www.martinfowler.com/eaaCatalog/singleTableInheritance.html

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