Maxim Gekk created SPARK-31277:
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Summary: Migrate `DateTimeTestUtils` from `TimeZone` to `ZoneId`
Key: SPARK-31277
URL: https://issues.apache.org/jira/browse/SPARK-31277
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.0.0
Reporter: Maxim Gekk
Currently, Spark SQL's date-time expressions and functions are ported on Java 8
time API but tests still use old time APIs. In particular, DateTimeTestUtils
exposes functions that accept only TimeZone instances. This is inconvenient,
and CPU consuming because need to convert TimeZone instances to ZoneId
instances via strings (zone ids). The tickets aims to replace TimeZone
parameters of DateTimeTestUtils functions by ZoneId type.
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