clintropolis commented on a change in pull request #8209: add mechanism to
control filter optimization in historical query processing
URL: https://github.com/apache/incubator-druid/pull/8209#discussion_r310329610
##########
File path: processing/src/main/java/org/apache/druid/query/filter/Filter.java
##########
@@ -129,4 +131,52 @@ default boolean canVectorizeMatcher()
{
return false;
}
+
+ /**
+ * Set of columns used by a filter
+ */
+ Set<String> getRequiredColumns();
+
+ /**
+ * "Manual" {@link FilterTuning} to allow explicit control of filter
optimization behavior. This will likely be
+ * supplied by the {@link DimFilter} that is creating this {@link Filter}
+ */
+ @Nullable
+ FilterTuning getManualTuning();
+
+ /**
+ * This method allows a filter to automatically compute a {@link
FilterTuning} based on information it can gather
Review comment:
done
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