Matthew Sackman wrote:
> I need to get to the stage where I can run queries such as:
>
> select street, locality_1, locality_2, city from address
> where (city = 'Nottingham' or locality_2 = 'Nottingham'
> or locality_1 = 'Nottingham')
> and upper(substring(street from 1 for 1)) = 'A'
> group by street, locality_1, locality_2, city
> order by street
> limit 20 offset 0
>
> and have the results very quickly.
>
This sort of query will be handled nicely in 8.1 - it has bitmap and/or
processing to make use of multiple indexes. Note that 8.1 is in beta now.
Cheers
Mark