Hi Jacques,
thanks for your quick reply - the goal of all this is to get some
information from the where clause e.g. "t between 2016-01-01 and
2016-01-20" and make it available to the record reader that I am returning
from EasyFormatPlugin.getRecordReader() which is only provided a
FragmentContext
On your strategy, generally, rules should be independent and rel nodes
should be immutable. I don't fully understand what you are trying to do but
your description seems like a bit of an anti-pattern.
You'll also need to figure out what phase or phases should include your
rules.
On Apr 4, 2016 9:5
You should enable Calcite plan debugging. The instructions can be found by
looking at the historical version of the Calcite howto before the logging
framework changed in 1.5. [1] tracing section.
Couple possibilities are you are not calculating distinct digests for your
scan or your costs aren't r
Hi,
I'm trying to add some custom optimizer rules for my storage format plugin
and am having trouble understanding the process the query planner goes
through when building logical and physical query plans.
What I'd like to do is the following:
1) Add a rule which matches all filters and collects
