Re: UNIQUE not unique with inheritance (workaround?)

Or create a sequence, and make each table in the inheritance hierarchy
use the same sequence as it's default value.

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Oliver Elphick wrote:
> On Sat, 2003-02-08 at 19:34, Samuel Sieb wrote:
> > Is there any workaround for this problem?  I'm getting involved in a 
> > project where inheritance is an incredibly useful feature, but the 
> > non-unique issue could be a serious stumbling block.  Is there any way 
> > to work around it with a trigger or something?
> 
> Give each table in the hierarchy a foreign key reference to another
> table which holds a unique list of the primary keys and a column that
> says which table they are in.  Use triggers to update this other table
> and to prevent duplications in the hierarchy.
> 
> .
> -- 
> Oliver Elphick                                Oliver.Elphick@lfix.co.uk
> Isle of Wight, UK                             http://www.lfix.co.uk/oliver
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>                  ========================================
>      "But the LORD is in his holy temple; let all the earth 
>       keep silence before him."           Habakkuk 2:20 
> 
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