Maxim Gekk created SPARK-29200:
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Summary: Optimize `extract`/`date_part` for epoch
Key: SPARK-29200
URL: https://issues.apache.org/jira/browse/SPARK-29200
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.0.0
Reporter: Maxim Gekk
The method `DateTimeUtils.getEpoch()` can be speeded up by avoiding decimal
operations and converting shifted by time zone timestamp to decimal at the end.
Results of `ExtractBenchmark` should be regenerated as well.
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