Re: My honours project - databases using dynamically attached entity-properties

Gregory Stark wrote:
> "Ron Mayer" <rm_pg@cheapcomplexdevices.com> writes:
>
>   
>> I have a system with many essentially user-defined fields, and was
>> thinking of creating something similar to an Array type and writing
>> some GIST indexes for it.
>>
>> My current workaround is to store them as a YAML document and use
>> tsearch to index it (with application logic to further refine the
>> results) - but a EAV datatype that could be put in tables and
>> effectively indexed would be of quite a bit of interest here.
>> And yes, a better say to do UDFs would be even cooler.
>>     
>
> I think that's what hstore does. Honestly I'm not entirely certain though.
>
>   

Does hstore nest? My impression is that it doesn't. Which might well not 
matter, of course.

cheers

andrew