kfaraz commented on a change in pull request #12073:
URL: https://github.com/apache/druid/pull/12073#discussion_r777843763
##########
File path:
extensions-core/datasketches/src/main/java/org/apache/druid/query/aggregation/datasketches/theta/SketchAggregator.java
##########
@@ -21,23 +21,45 @@
import org.apache.datasketches.Family;
import org.apache.datasketches.theta.SetOperation;
+import org.apache.datasketches.theta.Sketch;
import org.apache.datasketches.theta.Union;
import org.apache.druid.common.config.NullHandling;
import org.apache.druid.java.util.common.ISE;
+import org.apache.druid.java.util.common.logger.Logger;
import org.apache.druid.query.aggregation.Aggregator;
import org.apache.druid.segment.BaseObjectColumnValueSelector;
import javax.annotation.Nullable;
+import java.lang.reflect.Field;
import java.util.List;
public class SketchAggregator implements Aggregator
{
+ private static final Logger LOG = new Logger(SketchAggregator.class);
+
private final BaseObjectColumnValueSelector selector;
private final int size;
@Nullable
private Union union;
+ @Nullable
+ private Sketch sketch;
+
+ @Nullable
+ private static Field sketchField;
+ static {
+ try {
+ sketchField = Class.forName("org.apache.datasketches.theta.UnionImpl")
+ .getDeclaredField("gadget_");
+ sketchField.setAccessible(true);
+ }
+ catch (NoSuchFieldException | ClassNotFoundException e) {
+ LOG.error(e, "Could not initialize 'sketchField'");
Review comment:
Okay. For now, we can just fail loudly. The additional config can be
done as a follow up.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
