Fix SmartHLL ClassCastException in GROUP BY ORDER BY#18841
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extractGroupByResult() blindly cast to Set but the holder can contain a HyperLogLog once the dict-ID cardinality threshold is exceeded via checkAndConvertToSketchForGroups. Mirror the threshold check already present in extractAggregationResult().
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| if (result instanceof DictIdsWrapper dictIdsWrapper) { | ||
| if (dictIdsWrapper._dictIdBitmap.cardinalityExceeds(getThreshold())) { | ||
| return convertToSketch(dictIdsWrapper); | ||
| } else { | ||
| return convertToValueSet(dictIdsWrapper); | ||
| } |
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I don't think we need to change this part given the check is already performed during the aggregate
Jackie-Jiang
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Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## master #18841 +/- ##
============================================
+ Coverage 64.76% 64.78% +0.01%
Complexity 1322 1322
============================================
Files 3393 3393
Lines 211022 211024 +2
Branches 33135 33136 +1
============================================
+ Hits 136676 136714 +38
+ Misses 63330 63282 -48
- Partials 11016 11028 +12
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extractGroupByResult() blindly cast to Set but the holder can contain a HyperLogLog once the dict-ID cardinality threshold is exceeded via checkAndConvertToSketchForGroups. Mirror the threshold check already present in extractAggregationResult().
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bugfix