Alessandro Solimando created HIVE-26243:
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Summary: Add vectorized implementation of the 'ds_kll_sketch' UDAF
Key: HIVE-26243
URL: https://issues.apache.org/jira/browse/HIVE-26243
Project: Hive
Issue Type: Improvement
Components: UDF, Vectorization
Affects Versions: 4.0.0-alpha-2
Reporter: Alessandro Solimando
Assignee: Alessandro Solimando
_ds_kll_sketch_ UDAF does not have a vectorized implementation at the moment,
the present ticket aims at bridging this gap.
This is particularly important because vectorization has an "all or nothing"
approach, so if this function is used at the side of vectorized functions, they
won't be able to benefit from vectorized execution.
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