Attila Magyar created HIVE-25242:
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Summary: Query performs extremely slow with
hive.vectorized.adaptor.usage.mode = chosen
Key: HIVE-25242
URL: https://issues.apache.org/jira/browse/HIVE-25242
Project: Hive
Issue Type: Bug
Components: HiveServer2
Affects Versions: 4.0.0
Environment: If hive.vectorized.adaptor.usage.mode is set to chosen
only certain UDFS are vectorized through the vectorized adaptor.
Queries like this one, performs very slowly because the concat is not chosen to
be vectorized.
{code:java}
select count(*) from tbl where to_date(concat(year, '-', month, '-', day))
between to_date('2018-12-01') and to_date('2021-03-01'); {code}
Reporter: Attila Magyar
Fix For: 4.0.0
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