deemoliu commented on code in PR #11346:
URL: https://github.com/apache/pinot/pull/11346#discussion_r1330357789
##########
pinot-core/src/main/java/org/apache/pinot/core/operator/query/NonScanBasedAggregationOperator.java:
##########
@@ -233,6 +256,25 @@ private static HyperLogLog
getDistinctCountHLLResult(Dictionary dictionary,
}
}
+ private static HyperLogLogPlus getDistinctCountHLLPlusResult(Dictionary
dictionary,
+ DistinctCountHLLPlusAggregationFunction function) {
+ if (dictionary.getValueType() == FieldSpec.DataType.BYTES) {
+ // Treat BYTES value as serialized HyperLogLog
+ try {
+ HyperLogLogPlus hllplus =
ObjectSerDeUtils.HYPER_LOG_LOG_PLUS_SER_DE.deserialize(dictionary.getBytesValue(0));
+ int length = dictionary.length();
+ for (int i = 1; i < length; i++) {
+
hllplus.addAll(ObjectSerDeUtils.HYPER_LOG_LOG_PLUS_SER_DE.deserialize(dictionary.getBytesValue(i)));
+ }
+ return hllplus;
+ } catch (Exception e) {
+ throw new RuntimeException("Caught exception while merging
HyperLogLogs", e);
Review Comment:
thanks @Jackie-Jiang i fixed the error message.
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