could review other's patches. One patch reviewed for one patch
> > submitted, with equal difficulty. You should also get a community
> > account so as it is possible to add your name as an author of this
> > patch.
>
> While this patch does still apply, it doesn't
On Wed, Nov 8, 2017 at 6:48 AM, Tom Lane wrote:
> Because (1) up to now there's been no need to consider the qual ordering
> till later, and (2) re-doing that sort for each path seemed unduly
> expensive. If we're to try to estimate whether later quals will be
> reached, then sure the ordering be
the order in the larger set, which I guess is true
> about all separator functions.
For this patch, sorting of a qual list happens only once for each
range table entry, not for each path. So there is no need for caching
sorted qual lists as far as I know.
----
regards,
Yuto Hayamizu
On Fri, Jan 19, 2018 at 5:07 PM, Yuto Hayamizu wrote:
> My idea of improving this patch is that give a threshold N_limit,
> and for q_1 ... q_N_limit, do the same weighted cost estimation in the
> current version of this patch.
> For q_{N_limit+1} , stop calling clauselist_sel