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Type:
Improvement
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Status: Open
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Priority:
Minor
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Resolution: Unresolved
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Affects Version/s: Impala 2.6.0
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Fix Version/s: None
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Component/s: Backend
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Labels:
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Target Version:
We should implement those statistical functions. Hive supports them: https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF
- percentile
- percentile_approx
- duplicates
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IMPALA-4025 add functions PERCENTILE_DISC(), PERCENTILE_CONT(), and MEDIAN()
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- In Progress
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