Yes, we are using the Volcano planner.
Thanks TED and Julian. That’s very helpful suggestions!
-JD
> On Aug 8, 2017, at 9:24 PM, Ted Xu wrote:
>
> Hi JD,
>
> If you're using Volcano planner, it is common sense that applying rules
> will expand search space. However, if you put your rules care
I agree with what Ted said. In this case, you could use HepPlanner to tidy up
the tree - combining filters - before you go into the VolcanoPlanner phase.
Real-world planners use tricks such as multi-phase optimization, because
otherwise there are combinatorial traps.
Julian
> On Aug 8, 2017,
Hi JD,
If you're using Volcano planner, it is common sense that applying rules
will expand search space. However, if you put your rules carefully, the
space expansion is linear to rule apply and rels. According to your test
result, it's better if you can check your rules to see if there is
exponen
Hi,
We use RelBuilder to build logical relational algebra trees for our domain
specific language. It is possible that the user might construct a relational
algebra tree with several “where” clause. In this case, the RelBuilder will
build a relnode tree with multiple filters one followed by ano
