Maxim Gekk created SPARK-27035:
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Summary: Current time with microsecond resolution
Key: SPARK-27035
URL: https://issues.apache.org/jira/browse/SPARK-27035
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.4.0
Reporter: Maxim Gekk
Currently, the CurrentTimestamp expression uses
[System.currentTimeMillis()|[https://github.com/apache/spark/blob/a2a41b7bf2bfdcd1cff242013716ac7bd84bdacd/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala#L99]]
to take current time with millisecond resolution. The Instant.now allows
potentially to take current time with microsecond resolution:
[https://bugs.openjdk.java.net/browse/JDK-8068730] . The ticket aims to replace
System.currentTimeMillis()| by Instant.now().
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