On Wed, Mar 2, 2016 at 7:33 PM, Alvaro Herrera <alvhe...@2ndquadrant.com>

> Shulgin, Oleksandr wrote:
> > Alright.  I'm attaching the latest version of this patch split in two
> > parts: the first one is NULLs-related bugfix and the second is the
> > "improvement" part, which applies on top of the first one.
> So is this null-related bugfix supposed to be backpatched?  (I assume
> it's not because it's very likely to change existing plans).

For the good, because cardinality estimations will be more accurate in
these cases, so yes I would expect it to be back-patchable.


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