maytasm3 commented on a change in pull request #9187: Implement ANY aggregator

 File path: 
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+package org.apache.druid.query.aggregation.any;
+import org.apache.druid.query.aggregation.Aggregator;
+import org.apache.druid.segment.BaseDoubleColumnValueSelector;
+public class DoubleAnyAggregator implements Aggregator
+  private final BaseDoubleColumnValueSelector valueSelector;
+  private Double foundValue;
 Review comment:
   As mentioned before we don't have to worry about null. This is just 
considering which is more optimize between checking if Double is null or 
checking if boolean is T/F (and I guess memory for storing one Double vs. 
storing one double and one Boolean)

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