On 9/18/11 1:18 PM, Stefan Keller wrote:
> Hi,
>
> Sorry if this is an odd question:
> I assume that Postgres indexes don't store records but only pointers
> to the data.
> This means, that there is always an additional access needed (real table I/O).
> Would an index containing data records make sense?
See my post entitled, "How to make hash indexes fast" for a solution to the additional-disk-access problem.
Craig
>
> Stefan
>