amansinha100 commented on a change in pull request #1466: DRILL-6381: Add
support for index based planning and execution
URL: https://github.com/apache/drill/pull/1466#discussion_r224925023
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/PlannerSettings.java
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@@ -114,6 +114,28 @@
public static final String UNIONALL_DISTRIBUTE_KEY =
"planner.enable_unionall_distribute";
public static final BooleanValidator UNIONALL_DISTRIBUTE = new
BooleanValidator(UNIONALL_DISTRIBUTE_KEY, null);
+ // ------------------------------------------- Index planning related
options BEGIN --------------------------------------------------------------
+ public static final String USE_SIMPLE_OPTIMIZER_KEY =
"planner.use_simple_optimizer";
+ public static final BooleanValidator USE_SIMPLE_OPTIMIZER = new
BooleanValidator(USE_SIMPLE_OPTIMIZER_KEY, null);
+ public static final BooleanValidator INDEX_PLANNING = new
BooleanValidator("planner.enable_index_planning", null);
+ public static final BooleanValidator ENABLE_STATS = new
BooleanValidator("planner.enable_statistics", null);
Review comment:
I will let @gparai elaborate on this but my understanding is that by keeping
a general name such as `planner.enable_statistics` option we could potentially
use it for any type of data source (including Parquet) once the broader stats
capability is added to Drill.
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