WIP (forgot to note before): fix failing tuple sketch test

apache · May 14, 2024 · 53cdaee · 53cdaee
1 parent 5976720
commit 53cdaee
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/main/java/org/apache/datasketches/hive/tuple/DoubleSummarySketchToPercentileUDF.java b/src/main/java/org/apache/datasketches/hive/tuple/DoubleSummarySketchToPercentileUDF.java
@@ -61,6 +61,7 @@ public Double evaluate(final BytesWritable serializedSketch, final double percen
     }
     final Sketch<DoubleSummary> sketch =
         Sketches.heapifySketch(BytesWritableHelper.wrapAsMemory(serializedSketch), SUMMARY_DESERIALIZER);
+    if (sketch.isEmpty()) { return Double.NaN; }
     final UpdateDoublesSketch qs = DoublesSketch.builder().setK(QUANTILES_SKETCH_K).build();
     final TupleSketchIterator<DoubleSummary> it = sketch.iterator();
     while (it.next()) {