Github user jinfengni commented on a diff in the pull request:
https://github.com/apache/drill/pull/746#discussion_r101117331
--- Diff: exec/java-exec/src/main/resources/drill-module.conf ---
@@ -91,7 +91,22 @@ drill.exec: {
use.ip : false
},
optimizer: {
- implementation: "org.apache.drill.exec.opt.IdentityOptimizer"
+ implementation: "org.apache.drill.exec.opt.IdentityOptimizer",
+ enhanced_defaults: {
--- End diff --
Any particular reason why you make this option as boot-time option, in
stead of system option? Majority planner options, if not all, are able to reset
either at system or session level. That will give the user option for better
control.
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