On Wed, Jun 10, 2015 at 2:16 PM, Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp
> wrote:
>
> Perhaps the qual needs to be pushed all the way down
> to the Hash's underlying scan if that makes sense.
>
And that is a Pandora's box of troubles IMHO unless done in a very careful
manner.