2016-01-12 17:01 GMT+01:00 Vladimir Sitnikov <sitnikov.vladi...@gmail.com>:
> VS>>Why doesn't backend reuse already existing good plan?
> PS>this logic is driven by plan cost, not by plan execution time.
> It do understand that currently PG replans with $1, $2 and uses
> default selectivities for that.
> What I am asking is to make PG aware of "previously used bind values",
> so it would calculate proper selectivities for $1, $2.
the implementation is simply - but it hard to design some really general -
it is task for UI
> PS. It is not the first time the problem bites me, so I hand-crafted a