Details
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Improvement
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Status: Open
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Minor
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Resolution: Unresolved
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Impala 4.4.0
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None
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None
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ghx-label-7
Description
PlannerTest.testAggregation does not VALIDATE_CARDINALITY today. Validating cardinality will allow us to track our estimation quality and capture behavior change like https://github.com/apache/impala/blob/c83e5d97693fd3035b33622512d1584a5e56ce8b/fe/src/main/java/org/apache/impala/planner/AggregationNode.java#L74-L76