gparai commented on a change in pull request #1715: DRILL-7117: Support
creation of equi-depth histogram for selected dat…
URL: https://github.com/apache/drill/pull/1715#discussion_r269752646
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File path:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/common/DrillStatsTable.java
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@@ -62,10 +62,15 @@
public enum STATS_VERSION {V0, V1};
// The current version
public static final STATS_VERSION CURRENT_VERSION = STATS_VERSION.V1;
+ // 10 histogram buckets (TODO: can make this configurable later)
+ public static final int NUM_HISTOGRAM_BUCKETS = 10;
Review comment:
Maybe we can look at other implementations to figure out a good default
value for histogram buckets.
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