Re: Index Only Scan vs Cache

On 7/9/2015 12:41 PM, Tom Lane wrote:
> Andy Colson <andy@squeakycode.net> writes:
>> My question is:  Will PG cache only the index (assuming it can always do
>> an Index Only Scan), or will it cache the table as well?
>
> The table blocks would fall out of cache if they're never touched.
>
>             regards, tom lane
>
>

Sweet!  Thanks Tom.