GitHub user maryannxue opened a pull request:
https://github.com/apache/phoenix/pull/281
PHOENIX-4288 Indexes not used when ordering by primary key
1. Add class Cost.
2. Add method getCost() in QueryPlan.
3. Let QueryOptimizer choose the best plan based on Cost; meanwhile if
stats are not available the QueryOptimizer will keep the original behavior.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/maryannxue/phoenix phoenix-4388
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/phoenix/pull/281.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #281
----
commit f75c1b095683c153f8749107c5505304309dcb36
Author: maryannxue <[email protected]>
Date: 2017-11-07T21:40:37Z
PHOENIX-4288 Indexes not used when ordering by primary key
----
---
