kosiew commented on issue #16266:
URL: https://github.com/apache/datafusion/issues/16266#issuecomment-3027038432
In updating the fuzz tests, I discovered that these scenarios had to be
handled:
### 📋 Summary Matrix
| Scenario | Null in Keys | Null in Values |
Aggregates / Functions Tested |
|--------------------------------|:------------:|:---------------:|-----------------------------------------|
| COUNT, SUM, MIN, MEDIAN | ✅ | ✅ | Basic
aggregations |
| FIRST/LAST (window) | ✅ | ✅ | Window
functions |
| FIRST/LAST (grouped) | ✅ | ✅ | Grouped
aggregations |
| MAX on string/dictionary | ✅ | ✅ | MAX
|
| MIN on timestamp | ✅ | ✅ | MIN
|
| COUNT & COUNT DISTINCT | ✅ | ✅ | Distinct +
null value handling |
| MEDIAN & MEDIAN DISTINCT | ✅ | ✅ | Complex
numeric median logic |
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